Range-Doppler
An Improved Range-Doppler Algorithm for SAR Imaging at High Squint Angles
... modified range-Doppler algorithm (RDA), based on the range-azimuth coupling in the two-dimensional frequency domain, was proposed for SAR imaging at squint angles up to 80 ◦ ...large range ...
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Range Doppler Algorithm for Bistatic SAR Processing Based on the Improved Loffeld's Bistatic Formula
... about range frequency, a new bistatic range Doppler algorithm (RDA) is developed in this paper to process the azimuth invariant and variant bistatic SAR ...
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PROCESSING SQUINTED SAR RAW DATA USING RANGE DOPPLER ALGORITHM
... RDA is the older one among the SAR raw data processing algorithms. The RDA is based on Pulse compression technique. This pulse compression increases the resolution. [2] RDA has mainly three steps namely Range ...
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Efficient Range Alignment Algorithm for Real-Time Range-Doppler Algorithm
... the range bins that belong to the target in each RP are located in a close range and the number of range bins that contain target returns is very small compared to the total number of range ...
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Research on Vessel and Chaff Echo Characteristics for Wideband Coherent Radar
... the range-Doppler image of the echoes is ...the range-Doppler image, two features of the radar echoes are proposed to distinguish the vessel and ...
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Direct Geometric Positioning for the Three Dimensional Imaging Microware Altimeter
... the Range- Doppler equations has been proposed for the three-dimensional imaging microware altimeter, and the main positioning error sources, including elevation error and atmosphere transmission delay, are ...
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Coded continuous wave meteor radar
... large range and Doppler spread, which often makes their analysis problematic with pulsed radars with high pulse rep- etition rate measurements, which are designed for a point tar- get at altitudes between ...
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SAR Data Processing with Range Cell Migration
... is Range-Doppler algorithm which accurately and effectively accommodates range varying parameters such as Doppler centroid, azimuth frequency modulation rate, and range cell ...the ...
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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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An ISAR Imaging Method for Search Radar Involving Nonuniform Angle Samples
... the Doppler spectrum of a partial structure of the ...The range-Doppler imaging method is an efficient approach to obtain an ISAR image ...conventional range-Doppler method accompany ...
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A Novel Range-Instantaneous-Doppler ISAR Imaging Algorithm for Maneuvering Targets via Adaptive Doppler Spectrum Extraction
... [1–4]. Range resolution is proportional to the bandwidth of transmitted signal whilst cross-range resolution is dependent on the relative rotation of targets with respect to the ...The Doppler ...
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Application of the Fractional Fourier Transform to Moving Train Imaging
... their Doppler spectra are almost around zero frequency, which can be easily/directly removed in range-Doppler domain ...of Doppler parameters, and if constant Doppler parameters are ...
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ISAR Imaging and Scaling Method of Precession Targets in Wideband T/R-R Bistatic Radar
... bistatic range-Doppler (RD) imaging method, and proposed an adaptive focusing method which is also robust under the condition of phase synchronization ...
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PTM Sequencing for Sidelobe Suppression in Radar
... a Doppler resilient sequence of golay complementary waveforms, for which the pulse train ambiguity is free range of side lobes at Doppler ...the range side ...the Doppler resilient ...
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System Simulation of RF Front End Transceiver for Frequency Modulated Continuous Wave Radar
... a Doppler frequency shift will be superimposed on the FM range beat note and an erroneous range measurement ...The Doppler frequency shift causes the frequency-time plot of the echo signal to ...
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Research on Signal Acquisition of BDS Receiver
... Because of its simple structure and less hardware resource consumption, the serial sliding correlation method is still a popular capture algorithm in static environment. In this experiment, the serial glide correlation ...
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DIABETIC CARDIOMYOPATHY: INSIGHTS INTO PATHOGENESIS, DIAGNOSTIC CHALLENGES, AND THERAPEUTIC OPTIONS
... wide range of Doppler-derived ...transmitral Doppler inflow patterns were associated with poor glycemic control and presence of cardiac structure abnormalities 52-60 ...
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Effects of wind turbines on radar: A pilot study of US concerns
... the range of technical mitigations available to overcome wind/radar issues, the Wind and Radar Expert interviewed by the author explained, “There is military concern around the use of wind farms (clutter and ...
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G band atmospheric radars: new frontiers in cloud physics
... dynamic range of DWR values and due to the higher sensitivity of the high-frequency DWR to small particles, separation between different habit modes should be achieved when adopting G band frequencies (com- pare ...
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Energy and Temperature Dependent Capture Measurements below 30 keV Supporting Doppler Effect Calculations EUR 3675
... Because the energy range below 30 keV neutron energy is most interesting for Doppler-effect investigations the slowing down time spectrometer is used to measure the capture ratios of hot[r] ...
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