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Relevant bibliographies by topics / Range and Position Finding Target Direction

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Academic literature on the topic 'Range and Position Finding Target Direction'

Author: Grafiati

Published: 4 June 2021

Last updated: 28 July 2025

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Journal articles on the topic "Range and Position Finding Target Direction"

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Tanaka, Masaki, and Stephen G. Lisberger. "Role of Arcuate Frontal Cortex of Monkeys in Smooth Pursuit Eye Movements. I. Basic Response Properties to Retinal Image Motion and Position." Journal of Neurophysiology 87, no. 6 (2002): 2684–99. http://dx.doi.org/10.1152/jn.2002.87.6.2684.

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Anatomical and physiological studies have shown that the “frontal pursuit area” (FPA) in the arcuate cortex of monkeys is involved in the control of smooth pursuit eye movements. To further analyze the signals carried by the FPA, we examined the activity of pursuit-related neurons recorded from a discrete region near the arcuate spur during a variety of oculomotor tasks. Pursuit neurons showed direction tuning with a wide range of preferred directions and a mean full width at half-maximum of 129°. Analysis of latency using the “receiver operating characteristic” to compare responses to target

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Logvinov, Yu, Yu Pedenko, and N. Reznichenko. "ON THE ACHIEVABLE UPPER LIMIT OF THE ELEVATION ANGLES OF EFFECTIVE DIRECTION FINDING OF TARGETS OVER THE SEA BY THE ROOT-MUSIC METHOD PROVIDED WITH ADEQUATE A PRIORI PARAMETERS." Radio physics and radio astronomy 29, no. 4 (2024): 281–92. https://doi.org/10.15407/rpra29.04.281.

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Subject and Purpose. The paper investigates the accuracy of measurements of the elevation angles of targets located near the sur- face of a disturbed sea in the area from the upper limit of their extremely small values to the free space zone. The main part of the study concerns measurements using the root-MUSIC method based on the analysis of the eigenvalues of the autocorrelation matrix of signals received from the target. Under the same conditions, the accuracy of measurements using the amplitude sum-difference (monopulse) method was obtained. The purpose of the work was to determine the upp

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Misslisch, H., D. Tweed, and T. Vilis. "Neural Constraints on Eye Motion in Human Eye-Head Saccades." Journal of Neurophysiology 79, no. 2 (1998): 859–69. http://dx.doi.org/10.1152/jn.1998.79.2.859.

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Misslisch, H., D. Tweed, and T. Vilis. Neural constraints on eye motion in human eye-head saccades. J. Neurophysiol. 79: 859–869, 1998. We examined two ways in which the neural control system for eye-head saccades constrains the motion of the eye in the head. The first constraint involves Listing's law, which holds ocular torsion at zero during head-fixed saccades. During eye-head saccades, does this law govern the eye's motion in space or in the head? Our subjects, instructed to saccade between space-fixed targets with the head held still in different positions, systematically violated Listin

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Sainburg, R. L., C. Ghez, and D. Kalakanis. "Intersegmental Dynamics Are Controlled by Sequential Anticipatory, Error Correction, and Postural Mechanisms." Journal of Neurophysiology 81, no. 3 (1999): 1045–56. http://dx.doi.org/10.1152/jn.1999.81.3.1045.

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Intersegmental dynamics are controlled by sequential anticipatory, error correction, and positional control mechanisms. The purpose of this study is to examine the mechanisms underlying control of intersegmental dynamics during reaching movements. Two experiments were conducted to determine the relative contributions of anticipatory and somatosensory feedback mechanisms in controlling intersegmental dynamics and whether adaptation to novel intersegmental dynamics generalizes across a range of movement directions. The mechanisms used to control interaction torques were examined by altering the

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Sparrow, W. A., Alison J. Shinkfield, and Nadine Lambe. "Intelligence and Motor Skill Acquisition by Discrimination Learning." Perceptual and Motor Skills 77, no. 2 (1993): 651–58. http://dx.doi.org/10.2466/pms.1993.77.2.651.

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This experiment investigated the relation between intelligence and acquisition of motor skill using predictions from Zeaman and House's 1963 attention theory. 20 undergraduate students and 20 subjects of low IQ (WAIS—R Full Scale IQ range 50 to 73, M = 60) made linear positioning movements of long and short amplitude to the left and right of a central starting position. Four conditions (right-long, right-short, left-long, left-short) were created by specifying the corresponding target area on the positioning apparatus. One or both of the paired cues were varied, i.e., left, right, long, or sho

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AL-Forati, Israa, and Abdulmuttalib Rashid. "Robotics Path Planning Algorithms using Low-Cost IR Sensor." 3D SCEEER Conference sceeer, no. 3d (2020): 44–52. http://dx.doi.org/10.37917/ijeee.sceeer.3rd.7.

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A robot is a smart machine that can help people in their daily lives and keep everyone safe. the three general sequences to accomplish any robot task is mapping the environment, the localization, and the navigation (path planning with obstacle avoidance). Since the goal of the robot is to reach its target without colliding, the most important and challenging task of the mobile robot is the navigation. In this paper, the robot navigation problem is solved by proposed two algorithms using low-cost IR receiver sensors arranged as an array, and a robot has been equipped with one IR transmitter. Fi

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de Haan, Edward H. F., Nils S. van den Berg, Nikki A. Lammers, Selma Lugtmeijer, Anouk R. Smits, and Yaïr Pinto. "14 Prevalence of Mid-Range Visual Functions and their Relationship to Higher-order Visual Functions after Stroke." Journal of the International Neuropsychological Society 29, s1 (2023): 697–98. http://dx.doi.org/10.1017/s135561772300872x.

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Objective:Visual deficits are common after stroke and are powerful predictors for the chronic functional outcome. However, while basic visual field and recognition deficits are relatively easy to assess with standardized methods, selective deficits in visual primitives, such as shape or motion, are harder to identify, as they often require a symmetrical bilateral posterior lesion in order to provoke full field deficits. We aimed to investigate the prevalence and co-occurrence of hemifield “mid-range” visual deficits. In addition, we looked at the repercussions of these mid-range deficits on hi

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Roy, Jefferson E., and Kathleen E. Cullen. "Vestibuloocular Reflex Signal Modulation During Voluntary and Passive Head Movements." Journal of Neurophysiology 87, no. 5 (2002): 2337–57. http://dx.doi.org/10.1152/jn.2002.87.5.2337.

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The vestibuloocular reflex (VOR) effectively stabilizes the visual world on the retina over the wide range of head movements generated during daily activities by producing an eye movement of equal and opposite amplitude to the motion of the head. Although an intact VOR is essential for stabilizing gaze during walking and running, it can be counterproductive during certain voluntary behaviors. For example, primates use rapid coordinated movements of the eyes and head (gaze shifts) to redirect the visual axis from one target of interest to another. During these self-generated head movements, a f

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He, Wentao, Xin Chen, Shunxiang Xing, and Tianxing Cai. "Dual-station direction finding location based on disturbance detection." ITM Web of Conferences 47 (2022): 02025. http://dx.doi.org/10.1051/itmconf/20224702025.

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The application of direction finding location technology in electronic warfare is becoming more and more extensive. Aiming at the problem that the traditional location method will greatly affect the location accuracy when the measurement information of each observation station is disturbed, a dual-station direction finding location algorithm based on disturbance detection is proposed. The algorithm uses the least squares method to obtain the target’s position information at each moment, then designs an improved Kalman filter algorithm with disturbance detection to improve the location accuracy

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Chen, Wei, Ruisheng Sun, and Weisheng Yan. "Optimal Position and Velocity Estimation for Multi-USV Positioning Systems with Range Measurements." Complexity 2018 (July 10, 2018): 1–12. http://dx.doi.org/10.1155/2018/5452723.

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This paper investigates the problem on simultaneously estimating the velocity and position of the target for range-based multi-USV positioning systems. According to the range measurement and kinematics model of the target, we formulate this problem in a mixed linear/nonlinear discrete-time system. In this system, the input and state represent the velocity and position of the target, respectively. We divide the system into two components and propose a three-step minimum variance unbiased simultaneous input and state estimation (SISE) algorithm. First, we estimate the velocity in the local level

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Books on the topic "Range and Position Finding Target Direction"

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Nicklas, Richard B. An application of a Kalman Filter Fixed Interval Smoothing Algorithm to underwater target tracking. Naval Postgraduate School, 1989.

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N, Forrest R. Estimating search effectiveness with limited information. Naval Postgraduate School, 1993.

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Book chapters on the topic "Range and Position Finding Target Direction"

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Wang, Kefei, and Mingxue Zhang. "Sound Source Localization System Based on TDOA Algorithm." In Advances in Transdisciplinary Engineering. IOS Press, 2024. http://dx.doi.org/10.3233/atde231207.

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Sound source localization holds significant value in various fields such as drone navigation, speech recognition, audio surveillance, and more. This paper presents a sound source localization system based on TDOA algorithm. The system is designed to meet the requirements of low-cost, simplicity, and reliability in sound localization devices, and it has been experimentally validated. Initially, the TDOA algorithm is employed to estimate the time delays of the target sound source arriving at different microphones, which are then used to determine the source’s direction. The calculation of the so

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Conference papers on the topic "Range and Position Finding Target Direction"

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Ghazali, S. J., N. Khalid, S. Z. Ibrahim, and G. S. Tan. "Target direction finding using port technique for short range radar based sensor." In 2016 3rd International Conference on Electronic Design (ICED). IEEE, 2016. http://dx.doi.org/10.1109/iced.2016.7804638.

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Cocchi, Lorenzo, Alessio Picchi, Bruno Facchini, et al. "Effect of Jet-to-Jet Distance and Pipe Position on Flow and Heat Transfer Features of Active Clearance Control Systems." In ASME Turbo Expo 2021: Turbomachinery Technical Conference and Exposition. American Society of Mechanical Engineers, 2021. http://dx.doi.org/10.1115/gt2021-59158.

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Abstract The goal of the present work is to investigate the effect of supply pipe position on the heat transfer features of various active clearance control (ACC) geometries, characterized by different jet-to-jet distances. All geometries present 0.8 mm circular impingement holes arranged in a single row. The jets generated by such holes cool a flat target surface, which is replicated by a metal plate in the experimental setup. Measurements are performed using the steady-state technique, obtained by heating up the target plate thanks to an electrically heated Inconel foil applied on the side o

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Hu, Chuanhui, and Yan Jin. "Long-Range Risk-Aware Path Planning for Autonomous Ships in Complex and Dynamic Environments." In ASME 2022 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference. American Society of Mechanical Engineers, 2022. http://dx.doi.org/10.1115/detc2022-89760.

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Abstract Path planning and collision avoidance are common problems for researchers in vehicle and robotics engineering design domains. In the case of autonomous ships, the navigation is guided by the Regulations for Preventing Collisions at Sea (COLREGs). However, COLREGs do not provide specific guidance for collision avoidance, especially for multi-ship encounter situations, which is a challenging task even for humans. In short-range path planning and collision avoidance problems, the motion of target ships is often considered as moving at a constant velocity and direction, which cannot be as

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Zhuang, H. B., Ch S. Chen, S. Y. Lee, and M. Ch Pan. "Resonance Frequency Detection of Dental Implant Stability With Various Bone Defects: In-Vitro Experiments." In ASME 2009 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference. ASMEDC, 2009. http://dx.doi.org/10.1115/detc2009-87744.

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Resonance frequency analysis (RFA) has been applied to detect the stability and boundary condition of the dental implant osseointegration in several investigations. Its clinical relating application was generally accepted. Nevertheless, these studies only presented the overall phenomena of osseointegration around the implant and were unable to diagnose the location of the bone defect. Therefore, the aim of this study refers to an effective detection technique for locating the position of bone defect surrounding the dental implant. Various in-vitro bone defect models composed of a dental implan

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Ranganathan, Jaganathan, and William H. Semke. "Three-Axis Gimbal Surveillance Algorithms for Use in Small UAS." In ASME 2008 International Mechanical Engineering Congress and Exposition. ASMEDC, 2008. http://dx.doi.org/10.1115/imece2008-67667.

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An active three-axis gimbal system is developed to allow small fixed wing Unmanned Aircraft Systems (UAS) platforms to estimate accurate position information by pointing at a target and also to track a known target location. Specific targets vary from a stationary point on the ground to aircraft in the national airspace. The payload developed to accomplish this at the University of North Dakota is the Surveillance by University of North Dakota Observational Gimbal (SUNDOG). This paper will focus on a novel, nonlinear closed form analytical algorithm developed to calculate the exact rotation an

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Xu, Lei, Haiping Chang, and Guoqiang Chang. "Local Internal Impingement Heat Transfer Near a 90 Deg Row of Film Cooling Holes: Part 2 — Effect of Jet Row Position." In ASME Turbo Expo 2006: Power for Land, Sea, and Air. ASMEDC, 2006. http://dx.doi.org/10.1115/gt2006-90196.

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Investigation of local heat transfer characteristics near a row of film cooling holes in the inner side of a simulated turbine blade midchord region with impingement has been carried out experimentally. The research about heat transfer characteristics is focused on three diameter of film cooling hole area located upstream and downstream a row of film cooling holes, which angle is at a 90 degrees. The internal impingement air is provided by a single line of equally spaced jets. The film cooling air extracts through a line of holes on the impinging target plate. The projection of the jets on the

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Parsons, D., G. Nakhaie Jazar, and M. Mahinfalah. "Suspension Kinematics: A Method for Determining Steer Induced Angles and Displacements." In ASME 2008 International Mechanical Engineering Congress and Exposition. ASMEDC, 2008. http://dx.doi.org/10.1115/imece2008-66849.

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The lateral force created by a tire necessary for a vehicle to change direction is generated by slip and camber angles. Camber angle may be defined as the angle between a vertical line passing through a wheels’ center and the horizontal projection of this line onto the wheel. If the axis which the tire turns about is not parallel to the vertical axis, a change in camber will be induced as a result of the change in steer angle. This axis is called the steering axis and can be determined by the caster and lean angles relative to the wheel position in a body coordinate frame. The relation between

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Shacham, Danny. "New Laser Technology in Turbine Blade Measurements." In ASME 2008 9th Biennial Conference on Engineering Systems Design and Analysis. ASMEDC, 2008. http://dx.doi.org/10.1115/esda2008-59598.

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Mechanical touch probes on CMMs (Coordinate Measuring Machines) are the most common sensors used for blade inspection. Most Blade Measurements today are based on a mechanical probe. The amount of useful data that can be collected using the mechanical touch probe is limited. Since blades are characterized by complicated free form 3D geometry shapes, the traditional solution of touch trigger probes on a CMM is very limited both in hardware as well as in measurement software. One of the major challenges of blade measurement is the “blade alignment” — finding the blade position relative to the CMM

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Okajima, Satoshi, Nobuchika Kawasaki, Shoichi Kato, and Naoto Kasahara. "The Creep-Fatigue Evaluation Method for Intermediate Hold Conditions: Proposal and Validation." In ASME 2011 Pressure Vessels and Piping Conference. ASMEDC, 2011. http://dx.doi.org/10.1115/pvp2011-57285.

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In this paper, for the application to the Japan Sodium-cooled Fast Reactor, JSFR, the creep-fatigue damage evaluation method is improved to consider the intermediate holding condition. The improved method is validated through both of the uni-axial and the structure model creep-fatigue tests. In these validations, the target material is 316FR steel, which is planned to use for the reactor vessel. The reactor vessel portion near the liquid sodium surface is one of the most probable points where the creep-fatigue damage is considerable. Because of the relaxation of the temperature gradient, the s

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Maeda, Yusuke, Keiichi Watanuki, and Kazunori Kaede. "Evaluation of Attention Guidance through Visual Subthreshold Stimulus Using a HMD." In 13th International Conference on Applied Human Factors and Ergonomics (AHFE 2022). AHFE International, 2022. http://dx.doi.org/10.54941/ahfe1001799.

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Attention guidance is used as a means of conveying important information. Many attention guides use colors or color gradations that stand out from the surrounding environment, such as signs, or directional shapes such as arrows. In the past, some studies have used directional events such as the gaze of others, optical flow, and optical illusions to guide attention. However, such stimulus presentation methods may cause annoyance and discomfort to people because of their high degree of stimulation. For example, when an alert is displayed for a hazard that appears probabilistically when driving a

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