Relevant bibliographies by topics / Laser Seeker

Contents

  1. Journal articles
  2. Dissertations / Theses
  3. Books
  4. Book chapters
  5. Conference papers
  6. Reports

Academic literature on the topic 'Laser Seeker'

Author: Grafiati
Published: 4 June 2021
Last updated: 10 February 2022

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Journal articles on the topic "Laser Seeker"

1

Gogoi, Tutul, Rajni Kumar, Joshua Anand Gladwin, and Vivek Goyal. "Testing and Evaluation of High Energy Portable Laser Source used as a Target Designator along with a Laser Seeker." Defence Science Journal 68, no. 5 (September 12, 2018): 494–99. http://dx.doi.org/10.14429/dsj.68.12422.

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Precision guided munitions are often driven with the help of a special kind of laser beam, pointing onto the target of interest which can be a ground based stationary target or a moving one. The laser source which is popularly known as target designator is a key element in this and plays a vital role in performing any laser guided bombings. In this paper a testing methodology and evaluation technique is described for such a portable high energy laser source. The parameters of the designator are tested in laboratory environment as well as verified in field conditions. The measured and tested parameters are laser source energy, pulse repetition frequency, laser wavelength accuracy and pulse width. A laser guided bomb seeker is also used to test with and verify different designator parameters specially the pulse repetition frequency (PRF) in field conditions. The PRF is generally set in the seeker manually and the designators are fired onto a target for different PRFs and energy levels. If the PRF of the seeker matches with that of the designator then it locks onto the target and if different it does not. In this experiment one more designator is also fired onto a different target within the field of view of the seeker with the same parameters except the energy level. The seeker changes its position to the target having higher energy density provided pulses are within its detection window.
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2

ZHU, Likun, Fangxiu JIA, Xiaodong JIANG, and Xinglong LI. "Photoelectric detection technology of laser seeker signals." JSEE 30, no. 6 (2019): 1064–73. http://dx.doi.org/10.21629/jsee.2019.06.02.

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HAN Bing, 韩冰, 武雁熊 WU Yan-xiong, 陈晓苹 CHEN Xiao-ping, 谷立山 GU Li-shan, and 马洪涛 MA Hong-tao. "Structure Design of Laser/Visible Dual-mode Seeker." Chinese Journal of Luminescence 35, no. 11 (2014): 1382–87. http://dx.doi.org/10.3788/fgxb20143511.1382.

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Ferdjali, Abdellah, Taki Eddine Lechekhab, Stojadin Manojlović, Momir Stanković, Rafal Madonski, and Dimitrije Bujakovic. "Nonlinear Extended State Observer based Active Disturbance Rejection Control of a Laser Seeker System." Defence Science Journal 71, no. 4 (July 1, 2021): 535–44. http://dx.doi.org/10.14429/dsj.71.15798.

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In this paper, the laser seeker control problem is solved in the framework of active disturbance rejection control (ADRC). The considered problem, which consists of laser seeker stabilisation and target tracking, is expressed here as a regulation problem. A nonlinear extended state observer (NESO) with varying gains is used to improve the performance of linear ESO (LESO), and thus enable better control performance in both transient period and steady-state, with lower control effort. Based on a detailed analysis of system disturbances, a special ADRC tuning method is proposed. The stability of the overall control structure is analysed with a description function method. Through comparative simulations LESO-based and the introduced NESO-based ADRC for the laser seeker system, the advantages of the proposed scheme are shown.
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Liu Zhiguo, 刘志国, 邱雄 Qiu Xiong, 王仕成 Wang Shicheng, and 王志敏 Wang Zhimin. "Influence of Laser-Seeker Detection Performance on High Repetition Rate Interference Laser." Chinese Journal of Lasers 46, no. 11 (2019): 1101001. http://dx.doi.org/10.3788/cjl201946.1101001.

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Xiaobin, ZHOU, SUN Hao, YUAN Qi, LIU Zhaoqing, ZHANG Heng, WEN Jianghua, and WU Yan. "Design of catadioptric infrared/laser compound seeker optical system." Journal of Applied Optics 40, no. 6 (2019): 987–92. http://dx.doi.org/10.5768/jao201940.0601009.

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Chen Yang, 陈. 阳., 杨延丽 Yang Yanli, 孙婷婷 Sun Tingting, 储海荣 Chu Hairong, and 苗锡奎 Miao Xikui. "Error analysis of direct writing calibration system for laser seeker." Infrared and Laser Engineering 48, no. 11 (2019): 1105007. http://dx.doi.org/10.3788/irla201948.1105007.

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ZHANG Xin, 张鑫, 杜智远 DU Zhi-yuan, 乔彦峰 QIAO Yan-feng, 刘慧 LIU Hui, 白杨 BAI Yang, 朱明超 ZHU Ming-chao, 刘立刚 LIU Li-gang, and 贾宏光 JIA Hong-guang. "Study on linear field of strapdown semi-active laser seeker." Chinese Optics 8, no. 3 (2015): 415–21. http://dx.doi.org/10.3788/co.20150803.0415.

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Bae, Minji, Jaehoon Ha, and Heechan Park. "A Study on the Laser Designator for the Missile System Using Semi-Active Laser Seeker." Journal of the Korea Institute of Military Science and Technology 23, no. 5 (October 5, 2020): 466–74. http://dx.doi.org/10.9766/kimst.2020.23.5.466.

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Liu, Shuo, Zhiguo Liu, Shicheng Wang, and Xiong Qiu. "Research on Influencing Factors of Detection Accuracy Based on Laser Seeker." Journal of Physics: Conference Series 1087 (September 2018): 052039. http://dx.doi.org/10.1088/1742-6596/1087/5/052039.

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Dissertations / Theses on the topic "Laser Seeker"

1

Hubbard, Keith, Gary Katulka, Dave Lyon, Doug Petrick, Frank Fresconi, and T. G. Horwath. "Low-Cost Semi-Active Laser Seekers for US Army Application." International Foundation for Telemetering, 2008. http://hdl.handle.net/10150/606162.

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ITC/USA 2008 Conference Proceedings / The Forty-Fourth Annual International Telemetering Conference and Technical Exhibition / October 27-30, 2008 / Town and Country Resort & Convention Center, San Diego, California
The U.S. Army Research Laboratory (ARL) is exploring technologies to provide low-cost precision fires, applicable across both direct and indirect fire weapon systems. One of these applications involves a forward observer (FO) designating the target with a laser spot and a seeker on-board the munition detecting the reflected energy to allow terminal guidance. This approach, referred to as semi-active laser (SAL) guidance, has been utilized on numerous air-delivered munitions to include bombs, missiles and projectiles. However, the cost of these systems, driven by high quality optics, high sensitivity detectors and specialized electronics, has hampered their migration into gun-fired munitions such as mortars, artillery and grenades. To explore, develop and demonstrate minimal cost solutions, ARL invested in an Army Technical Objective (ATO) called Smaller, Lighter, Cheaper Munition Components (SLCMC). Specifically, SAL seeker hardware, predicated upon commercial components (COTS) and mass production techniques, is being prototyped for use with gun launched projectiles and laser target designators. The seeker system is comprised of several printed circuit board boards, a microprocessor, a quad-photo detector and, a molded optical lens unit. This seeker is designed to rapidly update the projectile boresight angle, interface with other strap-down sensors, and feed data into an on-board guidance, navigation & control (G,N&C) system to allow for projectile maneuvers. The seeker design and basic characteristics are discussed and presented through-out the paper and presentation.
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Akkal, Elzem. "Control Actuation Systems And Seeker Units Of An Air-to-surface Guided Munition." Master's thesis, METU, 2003. http://etd.lib.metu.edu.tr/upload/1028430/index.pdf.

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This thesis proposes a modification to an air to surface guided munition (ASGM) from bang-bang control scheme to continuous control scheme with a little cost. In this respect, time domain system identification analysis is applied to the control actuation system (CAS) of ASGM in order to obtain its mathematical model and controller is designed using pulse width modulation technique. With this modification, canards would be deflected as much as it is commanded to. Seeker signals are also post-processed to obtain the angle between the velocity vector and target line of sight vector. The seeker is modeled using an artificial neural network. Non-linear flight simulation model is built using MATLAB Simulink and obtained seeker and CAS models are integrated to the whole flight simulation model having 6 degrees of freedom. As a flight control unit, fuzzy logic controller is designed, which is a suitable choice if an inertial measurement sensor will not be mounted on the munition. Finally, simulation studies are carried out in order to compare the performance of the &ldquo
ASGM&rdquo
and &ldquo
improved ASGM&rdquo
and the superiority of the new design is demonstrated.
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Guner, Dunya Rauf Levent. "Modeling Of A Generic Laser Guided Weapon With Velocity Pursuit Guidance And Its Performance Analysis Using Various Control Strategies." Master's thesis, METU, 2004. http://etd.lib.metu.edu.tr/upload/2/12605386/index.pdf.

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In this thesis, a base for the modeling and analysis of laser guided weapons is constituted. In particular, the effects of several control schemes on the performance of a generic laser guided weapon system are investigated. In this generic model, it is assumed that the velocity pursuit guidance is employed via a velocity aligning seeker as the sole sensor. The laser seeker is modeled experimentally, based on data obtained by conducting a series of tests. The laser reflection is also modeled. Aerodynamic coefficients of the generic geometry are generated by the software Missile Datcom. A nonlinear, six degree of freedom simulation is constructed incorporating 10 Hz laser sensing, velocity pursuit guidance, seeker model, and multiple control schemes. The effects of bang-bang, bang-trail-bang, multiposition and continuous control techniques on weapon performance are investigated for stationary and moving targets under ideal and noisy conditions. Flight characteristics like miss distance, range envelope, impact speed, and time of flight are monitored. Weapon&
#8217
s maneuverability is investigated and the effect of employing a theoretical down sensor on the performance is demonstrated. In the light of simulation results, comparisons between various schemes are carried out, improvements on them and their flight envelopes are emphasized. It is concluded that the multiposition scheme provides a significant performance increase in most delivery types and can be an alternative to the continuous scheme. It is shown that the continuous scheme can achieve longer ranges only if backed up by a down sensor.
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McDaniel, Sean A. "Seeded, Gain-switched Chromium Doped Zinc Selenide Amplifier." University of Dayton / OhioLINK, 2012. http://rave.ohiolink.edu/etdc/view?acc_num=dayton1343760359.

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Maroju, Praveen Kumar [Verfasser], and Giuseppe [Akademischer Betreuer] Sansone. "Attosecond pulse shaping at a seeded free-electron laser : : towards attosecond time-resolved experiments at the free-electron lasers." Freiburg : Universität, 2021. http://d-nb.info/1239556527/34.

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Labat, M., M. Hosaka, M. Shimada, M. Katoh, and M. E. Couprie. "Optimization of a Seeded Free-Electron Laser with Helical Undulators." American Physical Society, 2008. http://hdl.handle.net/2237/11342.

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Willis-Ott, Christina. "Ytterbium-doped fiber-seeded thin-disk master oscillator power amplifier laser system." Doctoral diss., University of Central Florida, 2013. http://digital.library.ucf.edu/cdm/ref/collection/ETD/id/5890.

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Lasers which operate at both high average power and energy are in demand for a wide range of applications such as materials processing, directed energy and EUV generation. Presented in this dissertation is a high-power 1 ?m ytterbium-based hybrid laser system with temporally tailored pulse shaping capability and up to 62 mJ pulses, with the expectation the system can scale to higher pulse energies. This hybrid system consists of a low power fiber seed and pre-amplifier, and a solid state thin-disk regenerative amplifier. This system has been designed to generate high power temporally tailored pulses on the nanosecond time scale. Temporal tailoring and spectral control are performed in the low power fiber portion of the system with the high pulse energy being generated in the regenerative amplifier. The seed system consists of a 1030 nm fiber-coupled diode, which is transmitted through a Mach-Zehnder-type modulator in order to temporally vary the pulse shape. Typical pulses are 20-30 ns in duration and have energies of ~0.2 nJ from the modulator. These are amplified in a fiber pre-amplifier stage to ~100 nJ before being used to seed the free-space Yb:YAG thin-disk regenerative amplifier. Output pulses have maximum demonstrated pulse energies of 62 mJ with 20 ns pulse after ~250 passes in the cavity. The effects of thermal distortion in laser and passive optical materials are also. Generally the development of high power and high energy lasers is limited by thermal management strategies, as thermally-induced distortions can degrade laser performance and potentially cause catastrophic damage. Novel materials, such as optical ceramics, can be used to mitigate thermal distortions; however, thorough analysis is required to optimize their fabrication and minimize thermal distortions. Using a Shack-Hartmann wavefront sensor (SHWFS), it is possible to analyze the distortion induced in passive and doped optical elements by high power lasers. For example, the thin-disk used in the regenerative amplifier is examined in-situ during CW operation (up to 2 kW CW pump power). Additionally, passive oxide-based optical materials and Yb:YAG optical ceramics are also examined by pumping at 2 and 1 ?m respectively to induce thermal distortions which are analyzed with the SHWFS. This method has been developed as a diagnostic for the relative assessment of material quality, and to grade differences in ceramic laser materials associated with differences in manufacturing processes and/or the presence of impurities. In summation, this dissertation presents a high energy 1 ?m laser system which is novel in its combination of energy level and temporal tailoring, and an analysis of thermal distortions relevant to the development of high power laser systems.
Ph.D.
Doctorate
Optics and Photonics
Optics and Photonics
Optics
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Eriksson, Mirjam. "Tunable diode laser absorptionspectroscopy of atomic potassium in a KOH-seeded flat flame." Thesis, Umeå universitet, Institutionen för fysik, 2018. http://urn.kb.se/resolve?urn=urn:nbn:se:umu:diva-146503.

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Potassium (K) is the main ash-forming element released from biomass during thermochemical conversion. A better understanding of K chemistry and monitoring of K species is needed to optimize combustion systems. Since K species are highly reactive and prevailing concentrations depend on the conversion conditions, accurate quantification requires in situ measurement techniques. Tunable diode laser absorption spectroscopy with a single-mode distributed feedback laser is used to probe the D1 transition of atomic potassium, K(g), at 769.9 nm. The large current tuning range of the diode laser (5 cm-1) enables monitoringthe wings of the absorption profile. Fitting to the acquired line shape wings is used as astrategy to enhance the dynamic range of the sensor and measure K(g) concentrations even under optically thick condition. A potassium-rich combustion environment is simulated by converting KOH salt in a premixed methane/air flat flame. Quantitative measurements of K(g) are made at 75 positions in the flame. This yields radial K(g) profiles at three different heightsin the plume above the KOH salt and an axial profile at the burner center. The acquired average K(g) concentrations are corrected for effective plume size, i.e. the absorption pathlength determined from the radial profiles. Knowledge of the K(g) distribution in flames can lead to a better understanding of K release and primary reaction kinetics.
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Fahlenkamp, Keith B. "Direct observation of two phase flow generated by an alumina seeded grain in high aspect ratio channels." Thesis, Monterey, California : Naval Postgraduate School, 2010. http://edocs.nps.edu/npspubs/scholarly/theses/2010/Jun/10Jun%5FFahlenkamp.pdf.

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Thesis (Mechanical Engineer and M.S. in Mechanical Engineering)--Naval Postgraduate School, June 2010.
Thesis Advisor(s): Brophy, Christopher ; Second Reader: Gannon, Anthony. "June 2010." Description based on title screen as viewed on July 13, 2010. Author(s) subject terms: Solid rocket propellant, two phase flow, erosive burning, alumina agglomeration, laser imaging Includes bibliographical references (p. 87). Also available in print.
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Twumasi, Ricardo. "Working late : exploring the new dynamics of later life working in light of changes in age related legislation, policy and practice." Thesis, Loughborough University, 2015. https://dspace.lboro.ac.uk/2134/21765.

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Demographic changes have facilitated longer, healthier lives, and legislative changes have encouraged extended working lives through the increasing of state pension age, equalisation of state pensions, and the removal of the default retirement age. Recent age discrimination legislation has begun to combat age discrimination within the employment context of the UK. Legal precedent has also been established during the course of this research through case law, as a result of high profile age discrimination cases reaching the Supreme Court. Through several interview studies, this thesis explores the experiences, views and attitudes of employees, employers, job seekers and retired individuals. Utilising focus groups, this thesis also presents data from a range of charity representatives, human resources professionals, line managers, employment advisors, health and safety practitioners, and trade union representatives in order to explore the influence of changes in later life working policy and practice. The research of this thesis also includes a consultation exercise to engage the potential users of the research and develops a policy and practice framework providing recommendations which could lead to better outcomes and improved opportunities for older workers. Finally, a series of video case studies presents the research findings in an accessible visual format. This varied use of communication methods was specifically selected in order to increase the impact of the research and potential user audience. Research findings highlighted that managing age diversity was perceived as essential for employee motivation and organisational competitiveness. In particular, interviewees from generationally diverse workforces also reported a more positive attitude to age. Evidence from this thesis presents direct examples of age discrimination limiting the employment opportunities of older workers. Potential victims of age discrimination often struggle to gather evidence to support their perception that they may have been mistreated due to their age. Especially for job seekers, the perception of age discrimination presents a significant barrier to confidence, motivation, and opportunities during the employment search. These concerns are also exacerbated by the most widely reported barrier to securing employment for older jobseekers which was insufficient feedback. While a small minority of employers discussed discriminatory practices, the majority were positive towards age diversity and embraced the benefits of older workers. Responsibility for retirement transitions and performance management as older employees reach the end of their careers were issues employers reported struggling with in light of the removal of the default retirement age. The findings of this thesis highlight the importance of challenging age stereotypes and embracing the opportunities that a multi-generational workforce offers in order to increase equality of opportunity and promote age positive organisational culture. All parts of society have a shared responsibility to change attitudes towards older workers, and offer workers of all ages the equality they deserve.
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Books on the topic "Laser Seeker"

1

Feng, Chao. Theoretical and Experimental Studies on Novel High-Gain Seeded Free-Electron Laser Schemes. Berlin, Heidelberg: Springer Berlin Heidelberg, 2016. http://dx.doi.org/10.1007/978-3-662-49066-2.

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United States. National Aeronautics and Space Administration., ed. Holographic interferometry with an injection seeded Nd:YAG laser and two reference beams. [Washington, DC]: National Aeronautics and Space Administration, 1989.

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Feng, Chao. Theoretical and Experimental Studies on Novel High-Gain Seeded Free-Electron Laser Schemes. Springer, 2019.

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4

Barry, Coyle D., and United States. National Aeronautics and Space Administration., eds. Injection seeded, diode pumped regenerative ring Nd:YAG amplifier for spaceborne laser ranging technology development. [Washington, DC: National Aeronautics and Space Administration, 1992.

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Barry, Coyle D., and United States. National Aeronautics and Space Administration., eds. Injection seeded, diode pumped regenerative ring Nd:YAG amplifier for spaceborne laser ranging technology development. [Washington, DC: National Aeronautics and Space Administration, 1992.

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6

Flynn, Thomas R. The Later Sartre. Edited by Dan Zahavi. Oxford University Press, 2018. http://dx.doi.org/10.1093/oxfordhb/9780198755340.013.20.

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Toward the midpoint of his career, Sartre famously announced the separation from his previous work which he described as a rationalist philosophy of consciousness. Henceforth, he implied, his focus would be on free organic praxis. It would be dialectical and historical not just analytical and psychological. It seemed that he was distancing himself from classical (constitutive) Husserlian phenomenology in favor of something more fluid, more concrete like the hermeneutic phenomenology that he discovered in the Heidegger of Being and Time and was recommending as an ingredient in his Existential psychoanalysis. But classical phenomenology was not so much passed over as it was placed in abeyance to return in Sartre’s study of Gustave Flaubert, his life and times. The author proposes to chart and critique this methodological circle of applied phenomenology.
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Watson, Marilyn. Laura’s Students One and Seven Years Later. Oxford University Press, 2018. http://dx.doi.org/10.1093/oso/9780190867263.003.0013.

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In the third year, Laura took a leave through November to help settle her newly adopted child. Her students missed her and, when she returned, some seemed to have reverted to their original untrusting selves. Soon, their trust in Laura and in themselves was restored. Would that trust remain? Seven years later, I interviewed 9 of the 14 students still in the school district. All remembered Laura and the class fondly. Eight had detailed memories of their interactions with Laura, and the life skills and attitudes they learned in her class. Of the six students who were judged insecurely attached when they entered Laura’s class, four appeared successful and confident and two were currently failing most of their courses. Possible causes for the long-term success of some students and failure of others are discussed.
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Omissi, Adrastos. Emperors and Usurpers in the Later Roman Empire. Oxford University Press, 2018. http://dx.doi.org/10.1093/oso/9780198824824.001.0001.

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This book is the first history of civil war in the later Roman Empire to be written in English. It advances the thesis that civil war was endemic to the later Empire (third to fifth centuries AD) and explores the way in which successive imperial dynasties—many of whose founding members had themselves usurped power—attempted to legitimate themselves and counter the threat of almost perpetual internal challenge to their rule. The work takes as its operating principle that history is written by the victors, and seeks to employ panegyric as a tool to understand the processes that, according to one contemporary commentator, ‘made tyrants by the victory of others’. Panegyric provides direct evidence of how, in the wake of civil wars, emperors attempted to publish their legitimacy and to delegitimize their enemies. The book explores the ceremony and oratory that surrounded imperial courts, examines how and why this ceremony was aggressively used to dramatize and constantly recall the events of recent civil wars, and, above all, it explores how the narratives produced by the court in this context went on to have enormous influence on the messages and narratives found within contemporary historical texts. The resulting book is a thoroughly original reworking of late Roman domestic politics, an exploration of the way that successive imperial courts sought to communicate with their subjects, and an examination of the fallibility of history.
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Moody, Alys. The Modernist Art of Hunger. Oxford University Press, 2018. http://dx.doi.org/10.1093/oso/9780198828891.003.0002.

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Chapter 1 reconstructs the canon that forms the basis of later writers’ deployment of the art of hunger. It sketches the aesthetic framework of the art of hunger through four of its exemplary texts—Kafka’s “A Hunger Artist,” Knut Hamsun’s Hunger, Melville’s “Bartleby, the Scrivener,” and the poetry of Rimbaud—and locates these foundational writings in the context of their later redeployment by surrealist and “lost generation” writers. Reading these texts and authors both in their own moments and as they have been read by later writers and scholars, it seeks to derive the theory of art that later writers engage with when they redeploy the art of hunger in new contexts.
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Vandrei, Martha. ‘A great deal of historical claptrap’. Oxford University Press, 2018. http://dx.doi.org/10.1093/oso/9780198816720.003.0006.

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This chapter’s focus is the later nineteenth and early twentieth centuries, during which Boudica was immortalized in Thomas Thornycroft’s statue on Westminster Bridge. This chapter seeks to provide a thick and thorough contextualization of this event and its precursors, focusing in particular on Boudica’s role in the history of London, but also on Thornycroft’s own motivations and preoccupations, which have been overlooked by historians. This chapter also explores the first novelization of Boudica’s deeds, a firmly imperialistic account by Marie Trevelyan. This period has been read as the climax of Boudica’s association with imperial greatness—a connection I do not seek to wholly refute. However, Thornycroft’s own understanding of his statue challenges this, while Trevelyan’s conviction was met with credulity by contemporaries. Focusing on these hitherto overlooked points of view sheds light on the complicated relations between pasts and presents.
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Book chapters on the topic "Laser Seeker"

1

Johnson, B. C., R. L. Herbst, D. G. Scerbak, and T. J. Kane. "Injection Seeded High Power Nd: YAG Laser System." In Laser/Optoelektronik in der Technik / Laser/Optoelectronics in Engineering, 353–57. Berlin, Heidelberg: Springer Berlin Heidelberg, 1987. http://dx.doi.org/10.1007/978-3-642-83174-4_74.

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Geloni, Gianluca. "Self-Seeded Free-Electron Lasers." In Synchrotron Light Sources and Free-Electron Lasers, 191–223. Cham: Springer International Publishing, 2020. http://dx.doi.org/10.1007/978-3-030-23201-6_4.

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Geloni, Gianluca. "Self-Seeded Free-Electron Lasers." In Synchrotron Light Sources and Free-Electron Lasers, 161–93. Cham: Springer International Publishing, 2016. http://dx.doi.org/10.1007/978-3-319-14394-1_4.

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Geloni, Gianluca. "Self-Seeded Free-Electron Lasers." In Synchrotron Light Sources and Free-Electron Lasers, 1–28. Cham: Springer International Publishing, 2015. http://dx.doi.org/10.1007/978-3-319-04507-8_4-1.

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Trebino, R., and L. A. Rahn. "Subharmonic Resonances in Higher-Order Collision-Enhanced Wave Mixing in a Sodium-Seeded Flame." In Laser Spectroscopy VIII, 335–36. Berlin, Heidelberg: Springer Berlin Heidelberg, 1987. http://dx.doi.org/10.1007/978-3-540-47973-4_103.

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Riepe, Manfred. "Sei mit ganzer Seele eine Erektion!" In Lust und Laster, 255–68. Berlin, Heidelberg: Springer Berlin Heidelberg, 2017. http://dx.doi.org/10.1007/978-3-662-53715-2_17.

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Saule, T., S. Holzberger, O. De Vries, M. Plötner, J. Limpert, A. Tünnermann, and I. Pupeza. "Phase-Stable, Multi-μJ Femtosecond Pulses from a Repetition-Rate Tunable Ti:Sa-Oscillator-Seeded Yb-Fiber Amplifier." In Exploring the World with the Laser, 225–36. Cham: Springer International Publishing, 2018. http://dx.doi.org/10.1007/978-3-319-64346-5_14.

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Wang, S., Y. Wang, E. Oliva, L. Li, M. Berrill, L. Yin, J. Nejdl, et al. "Gain Dynamics in Injection-Seeded Soft X-Ray Laser Plasma Amplifiers." In Springer Proceedings in Physics, 351–56. Cham: Springer International Publishing, 2015. http://dx.doi.org/10.1007/978-3-319-19521-6_46.

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Guilbaud, O., S. Kazamias, K. Cassou, O. Delmas, J. Demailly, O. Neveu, D. Ros, et al. "Seeded Operation of a Ne-like Titanium Soft X-Ray Laser." In Springer Proceedings in Physics, 61–67. Cham: Springer International Publishing, 2015. http://dx.doi.org/10.1007/978-3-319-19521-6_7.

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Tittel, F. K., T. Hofmann, T. E. Sharp, P. J. Wisoff, W. L. Wilson, and G. Szabó. "Blue-Green dye laser seeded operation of a terawatt excimer amplifier." In Topics in Applied Physics, 141–52. Berlin, Heidelberg: Springer Berlin Heidelberg, 1992. http://dx.doi.org/10.1007/3-540-54953-6_10.

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Conference papers on the topic "Laser Seeker"

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Huang, Qiang, Bo Lang, and Lu Xue. "Design of strapdown laser guided seeker." In Fifth Symposium on Novel Optoelectronic Detection Technology and Application, edited by Qifeng Yu, Wei Huang, and You He. SPIE, 2019. http://dx.doi.org/10.1117/12.2520601.

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Martin, Randal G., and Elisa L. Robinson. "Automated Laser Seeker Performance Evaluation System (ALSPES)." In 1988 Technical Symposium on Optics, Electro-Optics, and Sensors, edited by John Nestler and Philip I. Richardson. SPIE, 1988. http://dx.doi.org/10.1117/12.947179.

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You, Mu, PengHui Wang, and DongJie Tan. "Research on range-gated laser active imaging seeker." In ISPDI 2013 - Fifth International Symposium on Photoelectronic Detection and Imaging, edited by Farzin Amzajerdian, Astrid Aksnes, Weibiao Chen, Chunqing Gao, Yongchao Zheng, and Cheng Wang. SPIE, 2013. http://dx.doi.org/10.1117/12.2032955.

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Niu, Yan-xiong, Dong-sheng Wu, Peng Zhang, and Xiao-feng Duan. "Application of optical limiting materials in laser seeker." In Photonics Asia 2004, edited by Qihuang Gong, Yiping Cui, and Roger A. Lessard. SPIE, 2005. http://dx.doi.org/10.1117/12.573857.

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Zheng, Xingyuan, Haiyang Zhang, Yunping Wang, Shuang Feng, and Changming Zhao. "Research for the jamming mechanism of high-frequency laser to the laser seeker." In ISPDI 2013 - Fifth International Symposium on Photoelectronic Detection and Imaging, edited by Keith E. Wilson, Jing Ma, Liren Liu, Huilin Jiang, and Xizheng Ke. SPIE, 2013. http://dx.doi.org/10.1117/12.2035030.

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Yang, Si-zhi. "Guidance Law Modeling and Simulation for Strap-Down Laser Seeker." In the 2018 International Conference. New York, New York, USA: ACM Press, 2018. http://dx.doi.org/10.1145/3232829.3232846.

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English, James E., and Ronald O. White. "Semi-active laser (SAL) last pulse logic infrared imaging seeker." In Aerospace/Defense Sensing, Simulation, and Controls, edited by Gerald C. Holst. SPIE, 2001. http://dx.doi.org/10.1117/12.439147.

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Barth, Jochen, Alfred Fendt, Rolf Florian, and Wolfgang Kieslich. "Dual-mode seeker with imaging sensor and semi-active laser detector." In Defense and Security Symposium, edited by Bjørn F. Andresen, Gabor F. Fulop, and Paul R. Norton. SPIE, 2007. http://dx.doi.org/10.1117/12.719571.

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Zhao, Hanwu, and Jia Yang. "Integrated System Design of Laser Seeker on Simulation, Test and Diagnosis." In 2017 4th International Conference on Machinery, Materials and Computer (MACMC 2017). Paris, France: Atlantis Press, 2018. http://dx.doi.org/10.2991/macmc-17.2018.89.

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Hao, Juan, Junwei Ma, Zongzhe Zhao, Ling Lin, Rongli Wang, Qi Zhang, Rui Zhang, and Kai Cao. "Influence of photoelectric detector on the dynamic range of laser seeker." In Second International Conference on Photonics and Optical Engineering, edited by Chunmin Zhang and Anand Asundi. SPIE, 2017. http://dx.doi.org/10.1117/12.2256631.

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Reports on the topic "Laser Seeker"

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Strohm, Luke S. A Terminal Guidance Model for Smart Projectiles Employing a Semi-Active Laser Seeker. Fort Belvoir, VA: Defense Technical Information Center, August 2011. http://dx.doi.org/10.21236/ada553607.

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WANG, X. J., J. B. MURPHY, L. H. YU, B. FAATZ, Z. HUANG, S. REICHE, and M. ZOLOTOREV. PROCEEDING OF THE SEEDED X-RAY FREE ELECTRON LASER WORKSHOP. Office of Scientific and Technical Information (OSTI), December 2002. http://dx.doi.org/10.2172/808633.

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Block, Matthew, Leanne J. Henry, Michael Klopfer, and Ravinder Jain. Investigations of a Dual Seeded 1178 nm Raman Laser System. Fort Belvoir, VA: Defense Technical Information Center, January 2016. http://dx.doi.org/10.21236/ad1005061.

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Murphy, J. B., Juhao Wu, X. J. Wang, and T. Watanabe. Longitudinal Coherence Preservation and Chirp Evolution in a High Gain Laser Seeded Free Electron Laser Amplifier. Office of Scientific and Technical Information (OSTI), June 2006. http://dx.doi.org/10.2172/883267.

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Faris, G., and M. Dyer. Injection-seeded Nd:YAG laser linewidth measurement using saturation spectroscopy in iodine. Office of Scientific and Technical Information (OSTI), December 1989. http://dx.doi.org/10.2172/7199613.

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Thompson, Neil. Study of an HHG-Seeded Free-Electron Laser for the LBNL Next Generation Light Source. Office of Scientific and Technical Information (OSTI), October 2010. http://dx.doi.org/10.2172/1004162.

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Armstrong, Darrell Jewell. Test results for 320 nm and 390 nm remote sensing sources using a 150 mJ, 100 Hz repetition rate, injection-seeded diode-pumped Nd:YAG slab-laser developed by Coherent Technologies, Inc. Office of Scientific and Technical Information (OSTI), July 2005. http://dx.doi.org/10.2172/966257.

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Leis, Sherry. Vegetation community monitoring at Lincoln Boyhood National Memorial: 2011–2019. National Park Service, April 2021. http://dx.doi.org/10.36967/nrr-2284711.

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Abstract:
Lincoln Boyhood National Memorial celebrates the lives of the Lincoln family including the final resting place of Abraham’s mother, Nancy Hanks Lincoln. Lincoln’s childhood in Indiana was a formative time in the life our 16th president. When the Lincoln family arrived in Indiana, the property was covered in the oak-hickory forest type. They cleared land to create their homestead and farm. Later, designers of the memorial felt that it was important to restore woodlands to the site. The woodlands would help visitors visualize the challenges the Lincoln family faced in establishing and maintaining their homestead. Some stands of woodland may have remained, but significant restoration efforts included extensive tree planting. The Heartland Inventory and Monitoring Network began monitoring the woodland in 2011 with repeat visits every four years. These monitoring efforts provide a window into the composition and structure of the wood-lands. We measure both overstory trees and the ground flora within four permanently located plots. At these permanent plots, we record each species, foliar cover estimates of ground flora, diameter at breast height of midstory and overstory trees, and tree regeneration frequency (tree seedlings and saplings). The forest species composition was relatively consistent over the three monitoring events. Climatic conditions measured by the Palmer Drought Severity Index indicated mild to wet conditions over the monitoring record. Canopy closure continued to indicate a forest structure with a closed canopy. Large trees (>45 cm DBH) comprised the greatest amount of tree basal area. Sugar maple was observed to have the greatest basal area and density of the 23 tree species observed. The oaks characteristic of the early woodlands were present, but less dominant. Although one hickory species was present, it was in very low abundance. Of the 17 tree species recorded in the regeneration layer, three species were most abundant through time: sugar maple (Acer saccharum), red bud (Cercis canadensis), and ash (Fraxinus sp.). Ash recruitment seemed to increase over prior years and maple saplings transitioned to larger size classes. Ground flora diversity was similar through time, but alpha and gamma diversity were slightly greater in 2019. Percent cover by plant guild varied through time with native woody plants and forbs having the greatest abundance. Nonnative plants were also an important part of the ground flora composition. Common periwinkle (Vinca minor) and Japanese honeysuckle (Lonicera japonica) continued to be the most abundant nonnative species, but these two species were less abundant in 2019 than 2011. Unvegetated ground cover was high (mean = 95%) and increased by 17% since 2011. Bare ground increased from less than 1% in 2011 to 9% in 2019, but other ground cover elements were similar to prior years. In 2019, we quantified observer error by double sampling two plots within three of the monitoring sites. We found total pseudoturnover to be about 29% (i.e., 29% of the species records differed between observers due to observer error). This 29% pseudoturnover rate was almost 50% greater than our goal of 20% pseudoturnover. The majority of the error was attributed to observers overlooking species. Plot frame relocation error likely contributed as well but we were unable to separate it from overlooking error with our design.
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