Relevant bibliographies by topics / Aerion

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  1. Journal articles
  2. Dissertations / Theses
  3. Books
  4. Book chapters
  5. Conference papers
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Academic literature on the topic 'Aerion'

Author: Grafiati
Published: 4 June 2021
Last updated: 11 February 2022

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Journal articles on the topic "Aerion"

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Matisheck, Jason. "The Aerion AS2 and Mach cut-off." Journal of the Acoustical Society of America 141, no. 5 (May 2017): 3564. http://dx.doi.org/10.1121/1.4987565.

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ROMAN, Daniel. "CONCEPTE OPERAȚIONALE APLICABILE ÎN SFERA SECURITĂȚII SPAȚIULUI AERIAN DIN RESPONSABILITATEA FORȚELOR TERESTRE PENTRU INTEGRAREA SISTEMELOR DE RACHETE ANTIAERIENE VSHORAD, SHORAD, SAMs." Buletinul Universității Naționale de Apărare „Carol I” 9, no. 2 (July 1, 2021): 42–50. http://dx.doi.org/10.53477/2065-8281-21-04.

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Securitatea spaţiului aerian este reglementată, la nivelul fiecărui stat, conform tratatelor și convențiilor internaționale, în toate situațiile posibile, pe timp de pace, de criză sau de război, prin integrarea tuturor sistemelor civile și militare de control al traficului aerian. Preocuparea până la nivel de îngrijorare a specialiștilor în sfera securității spațiului aerian reprezintă realitatea mediului operațional complex al operațiilor forțelor terestre. În acest context, pe fondul tehnologizării spațiului aerian și extinderii acțiunilor aeriene la diferite înălțimi, este justificată nevoia de conceptualizare operațională a sistemelor antiaeriene. Pentru aceasta, am redefinit spațiul aerian de responsabilitate al forțelor terestre, din perspectiva a două direcții de cercetare: amenințarea și agresiunea unui ipotetic inamic aerian; realizarea ripostei antiaeriene la diferite înălțimi. În cadrul acestui articol, am dezvoltat mai multe direcții de analiză și de conceptualizare a posibilităților de integrare a sistemelor de rachete antiaeriene VSHORAD, SHORAD și a sistemelor de arme antiaeriene cu rază de acțiune medie și lungă[i]. Prin acest demers științific, apreciez deschiderea unor noi serii de posibilități în proiectarea luptei cu inamicul aerian și de configurare probabilistică, pe noțiunea de eveniment, a ripostei antiaeriene, într-o manieră corespunzătoare noilor provocări din spațiul aerian actual.
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Roth-Nebelsick, Anita, Mike Thiv, Yaron Malkowsky, Rena Schott, and Arnd Heyer. "Structure and functional anatomy of the gas exchange apparatus of leafless orchids: evidence for a control mechanism?" Botanical Journal of the Linnean Society 197, no. 2 (March 25, 2021): 249–62. http://dx.doi.org/10.1093/botlinnean/boab021.

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Abstract It is assumed that special structures in aerial roots of leafless orchids, aeration units, are involved in gas exchange regulation. In this study, the structure of aeration units in three leafless taxa (Microcoelia exilis, M. aphylla, Dendrophylax funalis) and a leaf-bearing species (Campylocentrum micranthum) are investigated to obtain more evidence of a possible mechanism for gas exchange control in aerial orchid roots. Extensive analyses of the anatomy of the velamen radicum, exodermis and cortex were performed using light and electron microscopy and µCT. In all considered leafless taxa, the aeration unit consists of pneumathodes (non-wettable regions in the velamen radicum), an exodermal aeration cell (EAC) with a thin cell wall (often equipped with a special internal layer showing a fluffy structure) and specialized cortical cells (SCC). The SCC provide gaps for gas exchange, show differentially thickened cell walls and are arranged in a staggered manner. Based on the 3D structure of the aeration unit, we suggest the possibility of dehydration-triggered gap closure (driven by root shrinkage), in the process of which first the SCC are pushed against each other and second the EAC are squeezed shut by the exodermis.
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Han, M., H. De Clippeleir, A. Al-Omari, B. Wett, S. E. Vlaeminck, C. Bott, and S. Murthy. "Impact of carbon to nitrogen ratio and aeration regime on mainstream deammonification." Water Science and Technology 74, no. 2 (April 29, 2016): 375–84. http://dx.doi.org/10.2166/wst.2016.202.

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While deammonification of high-strength wastewater in the sludge line of sewage treatment plants has become well established, the potential cost savings spur the development of this technology for mainstream applications. This study aimed at identifying the effect of aeration and organic carbon on the deammonification process. Two 10 L sequencing bath reactors with different aeration frequencies were operated at 25°C. Real wastewater effluents from chemically enhanced primary treatment and high-rate activated sludge process were fed into the reactors with biodegradable chemical oxygen demand/nitrogen (bCOD/N) of 2.0 and 0.6, respectively. It was found that shorter aerobic solids retention time (SRT) and higher aeration frequency gave more advantages for aerobic ammonium-oxidizing bacteria (AerAOB) than nitrite oxidizing bacteria (NOB) in the system. From the kinetics study, it is shown that the affinity for oxygen is higher for NOB than for AerAOB, and higher dissolved oxygen set-point could decrease the affinity of both AerAOB and NOB communities. After 514 days of operation, it was concluded that lower organic carbon levels enhanced the activity of anoxic ammonium-oxidizing bacteria (AnAOB) over denitrifiers. As a result, the contribution of AnAOB to nitrogen removal increased from 40 to 70%. Overall, a reasonably good total removal efficiency of 66% was reached under a low bCOD/N ratio of 2.0 after adaptation.
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Smirnova, M. S. "Description of technological level of development of software systems for management of unmanned aerial vehicle groupings at domestic aircraft instrument manufacturing enterprises." Issues of radio electronics, no. 10 (October 31, 2019): 85–89. http://dx.doi.org/10.21778/2218-5453-2019-10-85-89.

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The article analyzes the state of the level of development of software systems for managing groups of unmanned aerial vehicles at domestic enterprises. The dominant technological paradigm for the development of software systems for managing groups of unmanned aerial vehicles has been determined. The article compares the hardware platforms, on the basis of which the software systems of products manufactured by «NPP Radar mms» JSC, «Vega Radio Engineering Concern» JSC, «Kronstadt Technologies» JSC, «AEROKON» JSC, «Autonomous Aerospace Systems NPO LLC GeoService», provides a brief description of the capabilities of the complexes. As a hypothesis, the article discusses the possibility of using the SCRUM technological system for developing application software for software systems for managing groups of unmanned aerial vehicles. It is determined in the work that the level of microelectronic and radio-technical components used determines the possibilities that are realized in the applied functionality of software complexes for controlling the groupings of unmanned aerial vehicles.
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Durán, Norberto, and Rubén A. Ortíz. "Efectos de algunas propiedades físicas del suelo y la precipitación sobre la producción de la palma aceitera (Elaeis guineensis) en Centroamérica." Agronomía Mesoamericana 6 (June 2, 2016): 07. http://dx.doi.org/10.15517/am.v6i0.24802.

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The soil aeration and hydric shortage greatly influence oil palm yield in Central America. This assay was conducted to identify and quantify the effect of the physical properties of the soil and rainfall on the yield of oil palm orchards in Coto and Quepos (Costa Rica) and San Alejo (Honduras). The following soil characteristics were evaluated: texture, moisture retention (pF), gravimetric moisture, drain water, total porosity, aerial space, large pore percentage, penetration resistance and tensimeter readings. These evaluations were conducted on 20 fruit bearing plots (in each locality) located within representative soil units; classified as: a) well drained (Fluventic Eutropepts), b) inperfect or moderately drained (Fluvaquentic Eutropepts) and c) poorly drained (Tropaquepts). San Alejo also shows soils with low base saturation (Dystropepts and Psamments). Twenty four additional plots were analyzed in this latter orchard to relate their yield with the catographic units. Regression and corre lation analysis were run for the three localities. The main limiting factors on production were: poor soil aeration en Coto, poor soil aeration and hydric shortage en Quepos, and poor aeration, low base saturation and sandy textures in San Alejo.
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Silva, Jeisa Cruz da, Nelci Olszevski, Janielle Souza Pereira, and Edson Pereira da Silva. "INFLUENCE OF SOIL COMPACTION LEVELS ON COWPEA PRODUCTION." REVISTA ENGENHARIA NA AGRICULTURA - REVENG 28 (January 28, 2020): 1–10. http://dx.doi.org/10.13083/reveng.v28i.920.

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Cowpea, a short-cycle legume with large production in the North and Northeast regions, has its productive potential limited by edaphic characteristics and degradation processes of soil physical quality, such as compaction. This process may interfere with plant development and productivity by restricting root system growth, aeration, water and nutrient availability. The objective of this work was to analyze the interference of different levels of compaction in the soil physical characteristics, root growth, development of the aerial part and productivity of cowpea. The experiment was conducted in a greenhouse following a completely randomized design with a control (control) and four levels of soil compaction, with four replications. Each experimental unit was composed of PVC tubes composed of a 0.05-m layer of gravel, cotton fabric and a 0.04-m layer of soil. The different levels of compaction were obtained using a proctor socket and a wooden base. Based on the value of penetration resistance (PR) of 1.00 MPa, soil reached the macroporosity considered as critical theresohold for soil aeration. Results indicate that the higher the PR of the soil, the lower the development of the root system and the aerial part. The productive aspects of cowpea presented better results in plants grown in soils with a level of resistance to penetration close to 0.8 MPa.
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Lamb, Thomas G., David W. Tonkyn, and Daniel A. Kluepfel. "Movement of Pseudomonas aureofaciens from the rhizosphere to aerial plant tissue." Canadian Journal of Microbiology 42, no. 11 (November 1, 1996): 1112–20. http://dx.doi.org/10.1139/m96-143.

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Following inoculation onto seeds, the rhizobacterium Pseudomonas aureofaciens Ps3732RNL11 (L11), which contains the constituitively expressed lacZ and lacY genes from Escherichia coli, was recovered from the interior of aerial tissues of all 16 monocot and dicot plants tested, and the exterior of aerial surfaces of 15. In more detailed studies with corn, wheat, and broccoli, both Ps3732RNL11 and its nonengineered parent strain PS3732RN (RN) rapidly established large populations on all root systems and smaller densities within the aerial tissues, all of which persisted at stable levels throughout 12- to 23-day test periods. There were no differences in the behavior of L11 and RN on any of the three plant species. L11 invaded the aeriel tissues of corn in at least two distinct ways. First, it moved into the interior of leaves following inoculation of guttation drops, suggesting that the bacteria may contaminate the developing shoot prior to its emergence from the soil and then invade through natural openings. However, when this route was blocked by inoculating the roots after shoot emergence in either soil or hydroponic systems, the bacteria still invaded the aerial tissues within 24 h, suggesting direct vascular transport from the roots. Such bacterial movement is an important consideration in future field releases of both native and genetically modified rhizobacteria.Key words: rhizosphere, genetically engineered microorganism, Pseudomonas aureofaciens.
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McLeod, T., C. Samson, M. Labrie, K. Shehata, J. Mah, P. Lai, L. Wang, and J. H. Elder. "Using Video Acquired from an Unmanned Aerial Vehicle (UAV) to Measure Fracture Orientation in an Open-Pit Mine." GEOMATICA 67, no. 3 (September 2013): 173–80. http://dx.doi.org/10.5623/cig2013-036.

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This project explored the feasibility of using video images acquired with an unmanned aerial vehicle (UAV) to obtain three-dimensional (3D) point clouds using structure from motion (SfM) software. Missions were flown using an Aeryon Scout: a lightweight, vertical take-off and landing quadrotor micro UAV with a miniature video camera. The initial mission captured urban scene images that were used to assess system performance while the main mission focused on rock walls where 3D images were used to successfully measure fracture orientations. Point clouds generated from this combination of technologies were sparse, but in the future, improvements in the resolution of original video images would cascade through the processing and improve the overall results. Such a system could have a multitude of applications in the mining industry, contributing to both safety and financial considerations.
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Michán, Shaday, Fernando Lledías, and Wilhelm Hansberg. "Asexual Development Is Increased in Neurospora crassa cat-3-Null Mutant Strains." Eukaryotic Cell 2, no. 4 (August 2003): 798–808. http://dx.doi.org/10.1128/ec.2.4.798-808.2003.

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ABSTRACT We use asexual development of Neurospora crassa as a model system with which to determine the causes of cell differentiation. Air exposure of a mycelial mat induces hyphal adhesion, and adherent hyphae grow aerial hyphae that, in turn, form conidia. Previous work indicated the development of a hyperoxidant state at the start of these morphogenetic transitions and a large increase in catalase activity during conidiation. Catalase 3 (CAT-3) increases at the end of exponential growth and is induced by different stress conditions. Here we analyzed the effects of cat-3-null strains on growth and asexual development. The lack of CAT-3 was not compensated by other catalases, even under oxidative stress conditions, and cat-3RIP colonies were sensitive to H2O2, indicating that wild-type (Wt) resistance to external H2O2 was due to CAT-3. cat-3RIP colonies grown in the dark produced high levels of carotenes as a consequence of oxidative stress. Light exacerbated oxidative stress and further increased carotene synthesis. In the cat-3RIP mutant strain, increased aeration in liquid cultures led to increased hyphal adhesion and protein oxidation. Compared to the Wt, the cat-3RIP mutant strain produced six times more aerial hyphae and conidia in air-exposed mycelial mats, as a result of longer and more densely packed aerial hyphae. Protein oxidation in colonies was threefold higher and showed more aerial hyphae and conidia in mutant strains than did the Wt. Results indicate that oxidative stress due to lack of CAT-3 induces carotene synthesis, hyphal adhesion, and more aerial hyphae and conidia.
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Dissertations / Theses on the topic "Aerion"

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Insuyu, Erdogan Tolga. "Aero-structural Design And Analysis Of An Unmanned Aerial Vehicle And Its Mission Adaptive Wing." Master's thesis, METU, 2010. http://etd.lib.metu.edu.tr/upload/12611657/index.pdf.

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This thesis investigates the effects of camber change on the mission adaptive wing of a structurally designed unmanned aerial vehicle (UAV). The commercial computational fluid dynamics (CFD) software ANSYS/FLUENT is employed for the aerodynamic analyses. Several cambered airfoils are compared in terms of their aerodynamic coefficients and the effects of the camber change formed in specific sections of the wing on the spanwise pressure distribution are investigated. The mission adaptive wing is modeled structurally to observe the effect of spanwise pressure distribution on the wing structure. For the structural design and analysis of the UAV under this study, commercial software MSC/PATRAN and MSC/NASTRAN are used. The structural static and dynamic analyses of the unmanned aerial vehicle are also performed under specified flight conditions. The results of these analyses show that the designed structure is safe within the flight envelope. Having completed aero-structural design and analysis, the designed unmanned aerial vehicle is manufactured by TUSAS Aerospace Industries (TAI).
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Bouzgou, Kamel. "Contribution à l'architecture, la modélisation et la commande d'un bras manipulateur aérien." Electronic Thesis or Diss., université Paris-Saclay, 2021. http://www.theses.fr/2021UPASG012.

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Les véhicules aériens sans pilote (UAV), de plus en plus utilisés pour différentes applications militaires comme civiles, ont la possibilité de se déplacer dans un environnement 3D en coordonnées cartésiennes pour assister l'homme, inspection des zones cibles ou bien photographier. Parmi ces missions, certaines nécessitent une interaction avec l'environnement comme par exemple la manipulation d'objet en vol. Pour satisfaire ce type de mission, la thèse a permis de choisir et concevoir un double système composé d'un bras manipulateur attaché à la base d'un multirotor. Le problème majeur émanant de cette nouvelle structure concerne la faculté à stabiliser le système simultanément avec un changement permanent de son inertie dû au mouvement du manipulateur. Dans ce manuscrit, une nouvelle conception de manipulateur aérien est proposée, capable de stabiliser le système avec la mise en œuvre d'une articulation prismatique pour agir sur le centre de gravité du système global tout en le maintenant le plus proche possible de l'axe vertical. Une contribution complémentaire a permis de présenter une nouvelle classification des systèmes de manipulation aérienne basée sur une formule symbolique, capable de définir le type et le nombre de multirotors et de manipulateurs utilisés au sein de la structure mécanique. Un nouvel algorithme de calcul des solutions du modèle géométrique inverse, basé sur une approche analytique, est ainsi développé et comparé à des algorithmes itératifs issus de la littérature. Le modèle dynamique du système global est obtenu à l'aide d'outils mathématiques symboliques et de fonctions développées dans ce projet. Deux approches de modélisation, couplées et découplées, sont développées. La partie contrôle-commande est conçue en utilisant trois lois de commande pour un système couplé et appliquées sur différents scénarios, chacun se composant de multiples couches (planification de trajectoire, couche interne de contrôle de position et d'attitude, bloc de contrôle d'entrée virtuelle). L'efficacité de l'articulation prismatique est étudiée et examinée pour différentes valeurs d'angles des articulations du bras manipulateur. Trois approches d'interaction de l'organe terminal du bras robotisé avec l'environnement sont implémentées et simulées. Une étude de cas et l'application du module d'impédance de contrôle sont simulées. Finalement, les approches et méthodes mises en œuvre sont validées à l'aide d'un prototype virtuel dans l'environnement SimMechanics où une interface utilisateur graphique GUI est conçue pour manipuler et visualiser le système lors de scénarios programmés, montrant ainsi l'apport des contributions principales de la thèse
Unmanned aerial vehicles (UAVs), progressively used by different military and commercial tasks, have the possibility to move in a 3D environment in Cartesian coordinates to assist humans, inspect dangerous areas or photography. Some of these missions require contact with the environment, such as handling objects in flight. In order to accomplish this kind of mission, that thesis made it possible to consider and design a dual system consisting of a manipulator arm connected to the base of a multirotor. The main problem resulting from this new structure involves the ability to stabilize the mechanism concurrently with a permanent change in its inertia due to the movement of the manipulator. In this manuscript, a new concept of the aerial manipulator is proposed, capable of stabilizing the system with the implementation of a prismatic joint to operate the center of gravity of the whole system while keeping it as close as possible to the vertical axis. A further contribution in this study, when a new classification of aerial manipulation systems based on a symbolic formula is introduced, capable of specifying the type and number of multirotors and manipulators used within the mechanical structure. A new algorithm for calculating the solutions of the inverse geometric model, based on an analytical approach, is thus developed and compared to iterative algorithms presented in the literature. The dynamic model of the overall system is obtained by the use of symbolic mathematical tools and functions developed in this project. Two modeling methods, coupled and decoupled, have been introduced. The control part is designed for a coupled system using three control laws and applied to various scenarios, each consisting of multilayer blocks (trajectory planning, internal layer of position and attitude control, control block of virtual entry). Different values of the angles of the manipulator arm joints are analyzed and tested for the efficiency of the prismatic joint. Three approaches to the interaction of the end organ of the robotic arm with the environment are implemented and simulated. A case study and the application of the control impedance module are simulated. Finally, the approaches and methods implemented in this thesis are validated using a virtual prototype in the SimMechanics environment, where a graphical user interface GUI is designed to manipulate and visualize the system during programmed scenarios, thus demonstrating the interest of the main thesis contributions
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Sonntag, Isabelle. "La concurrence et le transport aerien en Europe /." Thesis, McGill University, 1992. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=60648.

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The treaty of Rome signed in 1957 creating the European Community establishes a common market and this market has to be done by 1993 upon the European Single Act of 1986. Airlines must be governed by the dispositions of the treaty.
For a long time, this had not been affirmed, but the European Court of Justice said in 1974 that the general rules of the treaty apply to the air transport sector and precised this decision in the "Nouvelles Frontieres" case of 1986.
Those decisions were a first step towards liberalization and the Council and the Commission of the Community followed the court and adopted measures to liberalize the sector in the first air transport package in December 1987. These decisions and measures are problematic because there are quiet about the external relations of EEC member states with third countries.
The "Saeed" case of 1989 brings a solution, but the second air transport package of July 1990 still stays too quiet about it whereas it liberalises the air transport further. This should be resolved in the third package in 1993.
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STRUCHLIK, JEAN BATISTE. "De la performance du controle aerien en europe." Palaiseau, Ecole polytechnique, 1999. http://www.theses.fr/1999EPXX0029.

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Le controle de la navigation aerienne en europe traverse actuellement une periode de remise en question. En l'espace de 15 ans, le trafic aerien a plus que double, entrainant des retards quasisystematiques, la congestion de l'espace aerien menacant d'atteindre un niveau inacceptable pour les compagnies aeriennes et les passagers. Les acteurs (pilotes, controleurs, ingenieurs, etc. ) craignent que soit atteint le << mur de la capacite >>, et que les risques d'accidents et la duree des retards explosent. Il faut de l'avis general que le controle aerien europeen devienne plus performant. Cependant, si tout le monde s'accorde pour dire qu'il y a un probleme, les acteurs ont des conceptions differentes de la performance du controle aerien : s'agit-il de securite, de capacite, de cout, de stabilite sociale ? apres une analyse des representations multiples des acteurs, la these procede a une reconstruction de cette performance suivant trois dimensions : la securite, la capacite et les couts, et selon trois registres : le social, l'institutionnel et l'economique. Enfin, apres l'expose de trois cas de reorganisation du controle aerien (privatisation en angleterre, << corporatisation >> en allemagne, creation d'une agence en espagne), la these analyse le pourquoi et le comment de ces changements, avant d'evoquer le cas de la france et les perspectives d'evolution dans le cadre plus general des institutions europeennes. Sur le plan theorique, la these montre comment une notion aussi simple en apparence recouvre une construction collective refletant les roles particuliers des acteurs et les contraintes qu'ils subissent. Sur le plan pratique, la these ne se traduit pas par des recommandations a appliquer de facon mecanique, mais propose un eclairage nouveau de la performance du controle aerien, dont les acteurs peuvent tirer parti pour mettre en place de nouvelles dispositions face a la montee du trafic.
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MEDIONI, FREDERIC. "Methodes d'optimisation pour l'evitement aerien : systemes centralises, systemes embarques." Palaiseau, Ecole polytechnique, 1998. http://www.theses.fr/1998EPXX0050.

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Le controle aerien doit assurer la separation des avions en minimisant les retards. Pour des raisons d'efficacite, des systemes d'evitement automatiques sont envisages avec, la ou le trafic est le moins dense, un transfert de responsabilites des controleurs aux avions. Un systeme d'evitement doit proposer des trajectoires d'evitement (assurant la separation). Il peut etre centralise ou embarque (chaque avion genere sa trajectoire). Nous presentons deux methodes pour generer des trajectoires d'evitement normalisees (definies par des instants de manuvres et des sens de deviation) : un algorithme branch and bound utilisant des methodes d'intervalles et un algorithme a*. Deux approches differentes de chacune de ces methodes sont decrites et testees sur des cas-tests de conflits. L'approche globale genere simultanement les trajectoires de tous les avions (systeme centralise). L'approche sequentielle les genere successivement, selon un ordre de priorite (forme sequentielle d'un systeme embarque). Des trajectoires de bonne qualite sont obtenues. Cependant, l'approche globale des methodes d'intervalles est tres couteuse en temps de calcul et celle de l'algorithme a*, en memoire. L'efficacite des approches sequentielles depend de l'ordre de priorite. L'algorithme a*, contrairement aux methodes d'intervalles, permet de considerer des vitesses variables (avions en montee ou en descente). Testee sur un simulateur de trafic reel, sa version sequentielle donne de bons resultats. Une methode de generation de trajectoires par commande continue (forme reactive d'un systeme embarque) est presentee ensuite. A chaque instant le cap de l'avion est modifie au moyen d'un reseau de neurone. L'apprentissage des reseaux de neurone se fait par algorithme genetique. Trois modes d'apprentissages sont compares : utilisation de bases d'apprentissage fixes et renouvelees, et coevolution. Les meilleurs resultats sont obtenus avec les bases renouvelees.
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Mahoungou, Massila Bernard-Yves. "Le transport aerien vecteur du developpement : l'exemple du congo." Toulon, 1995. http://www.theses.fr/1995TOUL2001.

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Le but de cette these est d'etudier la meilleure demarche possible pour promouvoir le developpement des systemes de transport au congo. Elle montre l'interet pour les pays en voie de developpement de commencer par un mode de transport qui a des effets induits sur les autres. Par ailleurs, pour tenir compte des moyens financiers limites de ces pays, il parait irrealiste d'envisager le developpement de l'ensemble des modes de transport au meme moment. Au congo, l'environnement du transport presente un relief, une flore et une hydrographie inadaptes aux modes de transport de surface. Pour cette raison, seul le transport aerien peut etre facilement developpe et, par la meme, susceptible d'induire le developpement des autres modes de transport. Dans cet esprit, notre these est articulee autour du plan suivant : - l'environnement du transport aerien (chapitre 1) - le marche du transport aerien (chapitre 2) - la gestion du transport aerien (chapitre 3) - les perspectives de developpement du transport aerien (chapitre 4) nous concluons que le transport aerien est veritablement vecteur du developpement au congo
The purpose of this thesis is to study the best and possible in order to promote the development of the transport systems in congo. It show the interests for the developing countries, to start by a mode of transport the development of which has some effects on that of other. Otherwise, to take into account the limited financial means of these countries, it appear unrealist to tackle the development of together systems of transport at the same time. In congo, the environment of transport presents a relief, a vegetation and hydrograph not adapted at the surface modes of transport. For that reason, only the air transport can easily be developed and by the same way can be able to improve of the other modes of transport. In our views, the subject can be overwied around the following planning : - the environment of air transport (chapter 1) - the air transport market (chapter 2) - the managing of air transport (chapter 3) - the perspectives of development of the air transport (chapter 4). We can then conclude that air transport is really a vector of development in congo
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Ebondo, Wa Mandzila Eustache. "Les conditions du developpement du transport aerien en Afrique." Aix-Marseille 3, 1986. http://www.theses.fr/1986AIX32018.

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SUNDRUP, JASON PAUL. "The Effects of Circulating Aeration Systems On VOC Emissions from Aeration Basins." University of Cincinnati / OhioLINK, 2006. http://rave.ohiolink.edu/etdc/view?acc_num=ucin1163616957.

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Bilgic, Kemal Onder. "Aerial Acoustic Data Communication." Master's thesis, METU, 2012. http://etd.lib.metu.edu.tr/upload/12614651/index.pdf.

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Spectrum has been a scarce commodity in RF communication. Acoustic data communication is an alternative to RF communication where data is transmitted through sound waves. In this thesis, several different aspects of acoustic data communication are investigated. A physical test setup is built where the data communication spectrum extends up to 40 kHz. Impulse response of the acoustic channel is considered in a laboratory environment. Acoustic spectrum beyond the hearing limit between 25 kHz to 35 kHz is found as a suitable band for the developed setup. Distance and multipath components are important factors, determining the communication accuracy. The physical layer for the communication system is built by taking RF Pager system as a reference. This system is also modified to improve the performance. Dierent modulation techniques are used in order to evaluate their performances for acoustic channels. BFSK, BPSK, QPSK, GMSK, OFDM, DSSS and FHSS techniques are implemented for comparison. Total and effective bit rate are considered for the overall performance evaluation of differentt modulation techniques. Several experiments are done in laboratory environment where there are several multipath components. As the distance between the transmitter and receiver is increased, path loss and multipath increases. It is shown that certain modulation techniques are more robust to multipath and are better candidates for acoustic communication. While acoustic environment is inefficient in terms of power, it is still a good candidate for communication in short distances.
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Moore, George G. "Guided aerial image analysis." Thesis, University of Ulster, 1999. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.326332.

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Books on the topic "Aerion"

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Aerin. [Seoul]: Silchʻŏn Munhaksa, 1986.

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Vellas, Francois. Le Transport aerien. Paris: Economica, 1993.

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Tarță, Vasile. Călătorie prin orașul aerian. [Bucharest]: Editura Eminescu, 1995.

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Karina, Sitta. Aerial. Jakarta: Gramedia Pustaka Utama, 2009.

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Fuentes, María Alejandra Estrada. Aerial. Barranquilla, Colombia: Editorial Antillas, 2000.

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Aerial. Richmond, Calif: Omnidawn Pub., 2012.

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Ramke, Bin. Aerial. Richmond, Calif: Omnidawn Pub., 2012.

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Ontario. Ministry of Agriculture and Food. Grain Aeration. S.l: s.n, 1985.

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Aerial photography. New York: Amphoto, 1990.

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Museum, Imperial War, ed. Aerial creatures. London: Imperial War Museum, 1996.

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Book chapters on the topic "Aerion"

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Shekhar, Shashi, and Hui Xiong. "Aerial." In Encyclopedia of GIS, 11. Boston, MA: Springer US, 2008. http://dx.doi.org/10.1007/978-0-387-35973-1_36.

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Reed, Carl, and Frank H. Arthur. "Aeration." In Alternatives to Pesticides in Stored-Product IPM, 51–72. Boston, MA: Springer US, 2000. http://dx.doi.org/10.1007/978-1-4615-4353-4_3.

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Boyd, Claude E., and Craig S. Tucker. "Aeration." In Pond Aquaculture Water Quality Management, 306–53. Boston, MA: Springer US, 1998. http://dx.doi.org/10.1007/978-1-4615-5407-3_7.

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Ollero, Anibal. "Introduction." In Aerial Manipulation, 1–18. Cham: Springer International Publishing, 2017. http://dx.doi.org/10.1007/978-3-319-61022-1_1.

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Orsag, Matko, Christopher Korpela, Paul Oh, and Stjepan Bogdan. "Coordinate Systems and Transformations." In Aerial Manipulation, 19–31. Cham: Springer International Publishing, 2017. http://dx.doi.org/10.1007/978-3-319-61022-1_2.

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Orsag, Matko, Christopher Korpela, Paul Oh, and Stjepan Bogdan. "Multirotor Aerodynamics and Actuation." In Aerial Manipulation, 33–85. Cham: Springer International Publishing, 2017. http://dx.doi.org/10.1007/978-3-319-61022-1_3.

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Orsag, Matko, Christopher Korpela, Paul Oh, and Stjepan Bogdan. "Aerial Manipulator Kinematics." In Aerial Manipulation, 87–122. Cham: Springer International Publishing, 2017. http://dx.doi.org/10.1007/978-3-319-61022-1_4.

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Orsag, Matko, Christopher Korpela, Paul Oh, and Stjepan Bogdan. "Aerial Manipulator Dynamics." In Aerial Manipulation, 123–63. Cham: Springer International Publishing, 2017. http://dx.doi.org/10.1007/978-3-319-61022-1_5.

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Orsag, Matko, Christopher Korpela, Paul Oh, and Stjepan Bogdan. "Sensors and Control." In Aerial Manipulation, 165–208. Cham: Springer International Publishing, 2017. http://dx.doi.org/10.1007/978-3-319-61022-1_6.

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Orsag, Matko, Christopher Korpela, Paul Oh, and Stjepan Bogdan. "Mission Planning and Control." In Aerial Manipulation, 209–31. Cham: Springer International Publishing, 2017. http://dx.doi.org/10.1007/978-3-319-61022-1_7.

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Conference papers on the topic "Aerion"

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Sturdza, Peter. "Extensive Supersonic Natural Laminar Flow on the Aerion Business Jet." In 45th AIAA Aerospace Sciences Meeting and Exhibit. Reston, Virigina: American Institute of Aeronautics and Astronautics, 2007. http://dx.doi.org/10.2514/6.2007-685.

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Bons, Nicolas, Joaquim R. R. A. Martins, Charles A. Mader, Matthew S. McMullen, and Michelle Suen. "High-fidelity Aerostructural Optimization Studies of the Aerion AS2 Supersonic Business Jet." In AIAA AVIATION 2020 FORUM. Reston, Virginia: American Institute of Aeronautics and Astronautics, 2020. http://dx.doi.org/10.2514/6.2020-3182.

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Garzon, Andres, and Jason Matisheck. "Supersonic Testing of Natural Laminar Flow on Sharp Leading Edge Airfoils. Recent Experiments by Aerion Corporation." In 42nd AIAA Fluid Dynamics Conference and Exhibit. Reston, Virigina: American Institute of Aeronautics and Astronautics, 2012. http://dx.doi.org/10.2514/6.2012-3258.

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Liebhardt, Bernd, Klaus Lütjens, Richard R. Tracy, and Alexander O. Haas. "Exploring the Prospect of Small Supersonic Airliners - A Case Study Based on the Aerion AS2 Jet." In 17th AIAA Aviation Technology, Integration, and Operations Conference. Reston, Virginia: American Institute of Aeronautics and Astronautics, 2017. http://dx.doi.org/10.2514/6.2017-3588.

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Yao, Ming, and Yunqing Xu. "Design of Nonlinear Aero Controller and Simulation for Quadrotor Unmanned Aerial Vehicles." In 2013 Fourth World Congress on Software Engineering (WCSE). IEEE, 2013. http://dx.doi.org/10.1109/wcse.2013.52.

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Ajjabou, L., M. Kirsch, S. Lorenz, R. Zimmermann, A. Farci, A. Viezzoli, and R. Gloaguen. "UAVs as a Tool for Socially Acceptable Exploration of Waste Rock Dumps." In First EAGE Workshop on Unmanned Aerial Vehicles. European Association of Geoscientists & Engineers, 2019. http://dx.doi.org/10.3997/2214-4609.201903320.

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Parshin, A., A. Budyak, I. Chebokchinov, V. Sapunov, A. Bulnayev, and V. Morozov. "Complex UAS-Geophysical Surveys at the First Stages of Geological Prospecting: Case in the Western Sayan (Russia)." In First EAGE Workshop on Unmanned Aerial Vehicles. European Association of Geoscientists & Engineers, 2019. http://dx.doi.org/10.3997/2214-4609.201903321.

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Pizzo, E., and C. Rigollet. "From UAV Lidar and Magnetic Data to Geological Mapping." In First EAGE Workshop on Unmanned Aerial Vehicles. European Association of Geoscientists & Engineers, 2019. http://dx.doi.org/10.3997/2214-4609.201903322.

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Bell, R., and E. Baranyi. "Improvements in UAV Magnetic Survey Design, Planning, and Data Processing Workflow." In First EAGE Workshop on Unmanned Aerial Vehicles. European Association of Geoscientists & Engineers, 2019. http://dx.doi.org/10.3997/2214-4609.201903323.

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Balkov, E., D. Kuleshov, O. Pozdnyakova, P. Dyadkov, Z. Marchenko, A. Grishin, N. Evmenov, D. Goglev, and L. Ngomayezwe. "High-Precision Magnetic Survey with UAV for the Archaeological Barrows at Novaya Kurya Monument in Western Siberia." In First EAGE Workshop on Unmanned Aerial Vehicles. European Association of Geoscientists & Engineers, 2019. http://dx.doi.org/10.3997/2214-4609.201903324.

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Reports on the topic "Aerion"

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DEPARTMENT OF DEFENSE WASHINGTON DC. Unmanned Aerial Vehicles. Fort Belvoir, VA: Defense Technical Information Center, May 1994. http://dx.doi.org/10.21236/ada286190.

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Proctor, A. E. AERIAL RADIOLOGICAL SURVEYS. Office of Scientific and Technical Information (OSTI), June 1997. http://dx.doi.org/10.2172/6084.

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W. M. Quam. Aerial Radiation Detection. Office of Scientific and Technical Information (OSTI), September 1999. http://dx.doi.org/10.2172/14046.

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Kostrubala, Kazimir. Optimized Aerial Delivery Process. Fort Belvoir, VA: Defense Technical Information Center, January 2011. http://dx.doi.org/10.21236/ada546469.

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Evans, Clarence J. Profile: Aerial Port Readiness. Fort Belvoir, VA: Defense Technical Information Center, April 1994. http://dx.doi.org/10.21236/ada280544.

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Maurice, Maxwell K., and Samuel L. Ray. Aerial LTE Demonstration Report. National Institute of Standards and Technology, July 2021. http://dx.doi.org/10.6028/nist.ir.8380.

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Moore, David A. The Art of Aerial Warfare. Fort Belvoir, VA: Defense Technical Information Center, March 2005. http://dx.doi.org/10.21236/ada438535.

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Weeks, Joseph L. Unmanned Aerial Vehicle Operator Qualifications. Fort Belvoir, VA: Defense Technical Information Center, March 2000. http://dx.doi.org/10.21236/ada379424.

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Bethel, James, Boudewijn Gelder, and Ali Cetin. Corridor Mapping Using Aerial Technique. West Lafayette, IN: Purdue University, 2006. http://dx.doi.org/10.5703/1288284313396.

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Riihimaki, Laura D., Timothy Shippert, and David D. Turner. Atmospheric Emitted Radiance Interferometer Optimal Estimation (AERIoe) Value-Added Product Report. Office of Scientific and Technical Information (OSTI), November 2019. http://dx.doi.org/10.2172/1577859.

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