range-Doppler radar imaging
A Novel Method for ISAR Imaging of Multiple Maneuvering Targets
... aperture radar (ISAR) imaging of multiple targets, range profiles of different targets are sometimes coupled together, resulting in the ineffectiveness of traditional imaging method, while the ...
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Application of the Fractional Fourier Transform to Moving Train Imaging
... an imaging algorithm with application of fractional Fourier transform (FrFT) for ground moving train imaging by Ku-band ground-based ...the radar beam, the multiple Doppler parameters are ...
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Direct Geometric Positioning for the Three Dimensional Imaging Microware Altimeter
... First, we calculate the elevation by iterative algorithms, and derive the atmosphere transmission delay model to correct signal transmission time. Secondly, we establish a slant Range-Doppler equations by ...
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Modelling and Simulation of UWB Radar System for Through the Wall Imaging and Doppler Detection
... SFCW radar introduced in earlier section only operates as a rangefinder where the information about the target is ...measured range as ...Down Range and the axis parallel to the antenna axis is ...
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An ISAR Imaging Method for Search Radar Involving Nonuniform Angle Samples
... ISAR imaging is a target imaging technique based on estimating the Doppler spectrum of a partial structure of the ...The range-Doppler imaging method is an efficient approach to ...
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High-range resolution spectral analysis of precipitation through range imaging of the Chung-Li VHF radar
... Multi-frequency range imaging (RIM) has been operated in the Chung-Li very high-frequency (VHF) radar, located on the campus of National Central University, Tai- wan, since ...the radar ...
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An Improved Range-Doppler Algorithm for SAR Imaging at High Squint Angles
... improved range-Doppler algorithm (RDA) is proposed to reconstruct images from synthetic aperture radar (SAR) data received at high squint ...the range migration also becomes more serious, ...
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Three Dimensional Radar Coincidence Imaging
... 3D radar imaging takes, most of the methods are based on the range-Doppler (RD) principle, where target information is derived via the processing of measuring range and changes in ...
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Design of Radar to Detect a Target at an Arbitrary Standoff Range
... term radar is an acronym for the RAdio Detection and Ranging, Radars exploits electromagnetic energy to detect ...based radar systems, or space ...specific radar characteristics namely antenna type ...
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A Novel Range-Instantaneous-Doppler ISAR Imaging Algorithm for Maneuvering Targets via Adaptive Doppler Spectrum Extraction
... The radar transmits stepped- frequency waveform, the carrier frequency is 9 GHz, the bandwidth is 512 MHz, and the pulse repetition frequency is 15000 ...RID imaging method based on entropy function and ...
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Developments in target micro-Doppler signatures analysis : radar imaging, ultrasound and through-the-wall radar
... The problem of extracting the modulation due to the micro-motion from the received signal has been addressed using various signal processing approaches. In [24], a Chirplet decomposition method to separate the rotating ...
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Range Doppler Algorithm for Bistatic SAR Processing Based on the Improved Loffeld's Bistatic Formula
... aperture radar (SAR) [1–3] is a SAR system [4– 6] whose transmitter and receiver are placed on separate ...bistatic imaging methods [10–14] have been ...
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Design and Implementation of a Module Radar System Based on VB.net Language and ultrasonic waves
... Typically, radar charts are generated in a multi-plot format with many stars on each page and each star representing one ...1877. Radar charts differ from glyph plots in that all variables are used to ...
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A machine learning joint lidar and radar classification system in urban automotive scenarios
... 2-dimensional range-Doppler window, a so called region of interest, of the radar power spectrum centered at the object’s position is cut out and fed into a convolutional neural network to be ...
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Coded continuous wave meteor radar
... (c) Doppler velocity distribution, (d) echo location, (e) bivariate distribution of the precedence of echoes, as function of di- rection cosines in x (west to east) and y (south to north) di- rections; and (e) ...
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PERFORMANCE EVOLUTION OF NON-UNIFORM PRI LFM SIGNAL MANMADHARAO.G
... (PRI) radar waveforms are those in which each pulse is separated by a variable time from its ...pulse Doppler radars, in which returns are coherently integrated for tens to thousands of pulses, use only ...
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Evaluation of multifrequency range imaging technique implemented on the Chung–Li VHF atmospheric radar
... VHF radar system, operated at a central fre- quency of 52 MHz, has been upgraded for several years and carried out some valuable studies for the atmosphere (Chu et ...in radar signal processing, various ...
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Millimeter wave micro Doppler measurements of small UAVs
... FMCW radar at a range of 120 ...millimeter-wave radar is very sensitive to the micro-Doppler returns of a sUAV and is suitable for the detection and classification of such targets at usefully ...
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Options to mitigate utility-scale wind turbine impacts on defence capability, air supremacy, and missile detection
... two radar beams, one high and one low, which are obtained and processed ...Long Range US radars such as FPS-20 series and ARSR 1/2s, and for ATC ASR-11 radars [20], to help them cope with wind turbine ...in ...
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Moving Target Indication Radar
... oscillator called the Coho, which stands for coherent oscillator. The Coho is a stable oscillator whose frequency is the same as the intermediate frequency used in the receiver. In addition to providing the reference ...
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