Range and velocity ambiguity resolution

Author: wnui

August undefined, 2024

Webb8 mars 2024 · In our simulation, the root mean square errors of the distance and velocity trajectories were better than 0.277 and 0.016 , respectively. Our results demonstrate that the proposed method has the potential to improve the precision and reliability of marine target detection through radar. Webb18 jan. 2016 · Using the above, we can perform the following procedure to determine if the target is a real target or a ghost target: 1. If the difference between \(\hat{f}_{bc,ij}\) and …

Range ambiguity resolution Wiki - everipedia.org

WebbHere, a method that uses the second-order Keystone transform (SOKT) to eliminate the QRCM and the modified fractional Radon transform (MFrRT) to estimate the ambiguity number was proposed. The method was simple and applicable in the low-SNR situation. Implementation considerations were presented. Webb450884195 - EP 3015880 A1 20160504 - AMBIGUITY RESOLUTION IN A DOPPLER RADAR SYSTEM - Various exemplary embodiments relate to a method for determining the … law office of ronald j bolz garden city mi

Target location and velocity estimation with the multistatic …

WebbIntroduction. Radar systems use matched filters in the receiver chain to improve signal-to-noise ratio (SNR). Matched filters are time-reversed and conjugated versions of the … WebbIn consideration of the measurement error and the blind region, a novel algorithm is proposed for PD radar resolving range and velocity ambiguity. The algorithm is based … Webb7 jan. 2024 · Its range–velocity resolution is only related to the size of the grid, and the smaller the grid size, the higher the resolution will be. The remainder of this paper is organized as follows. In Section 2, the … ka of h2te

Range and velocity ambiguity resolution IEEE Conference …

Decoupling the Doppler Ambiguity Interval From the Maximum …

WebbMethod for ambiguity resolution in range-Doppler measurements A method for resolving range and Doppler target ambiguities when the target has substantial range or has a … WebbThe ambiguity function is the two-dimensional (2-D) autocorrelation of waveform in time and frequency. It can be described as: (10.50) where X ( t, f) is the 2-D ambiguity … kaofela quantity surveyorsWebbranges and velocities, for its compatibility with most process-ing architectures, linearity and predictable latency. The problem this paper offers a solution for is the coupling of the … law office of ronald k. ziff

"WebbThis page describes radar range and also mention range resolution. It explains unambiguous radar range ... These echoes cause erroneous calculation of radar range … " - Range and velocity ambiguity resolution

Range and velocity ambiguity resolution

Resolution of range and velocity ambiguity for a medium pulse …

WebbCalculate clutter RCS in a set of range-Doppler cells. The range swath begins at 3000 m and extends to 5000 m with a 50 m range bin width. The radar center frequency is 30 … Webb15 dec. 2024 · A simple algorithm is proposed to resolve both range and velocity ambiguity based on residue arithmetic by making out the unambiguous result by using a …

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Webb1 maj 2003 · Abstract In this paper a method is presented for separating overlaid echoes in a Doppler weather radar that uses a staggered pulse repetition time (PRT) transmission … Webb1 feb. 2000 · In this paper, a simple algorithm is proposed to resolve both range and velocity ambiguity based on residue arithmetic. This algorithm makes out the …

Webb13 aug. 2024 · A method for resolving velocity ambiguity in a MIMO RADAR comprising: generating a plurality of transmit channels and a virtual channel, each transmit channel comprising a plurality of chirps during a coherent processing interval, each chirp generated by ramping a transmit frequency with a frequency ramp; and offsetting each transmit … Webbrange direction and focus each look as well as possible. The ambiguity number can be estimated by the number of azimuth cell displacement between two focused images. …

Webbambiguity resolution, software development and data processing and the determination of perturbed orbits. The Interoperable Global Navigation Satellite Systems Space Service … WebbFM-CW Range Resolution •Range resolution (accuracy) : the frequency difference, , can be measured. •For a linear FM, (thus ) depends on the BW and linearity of the modulation. - …

WebbAll of the other blocks have ambiguous range or ambiguous radial velocity. Pulse Doppler radar relies on medium pulse repetition frequency (PRF) from about 3 kHz to 30 kHz. … law office of ronald m greenspanWebbUsing the general equation for Doppler Frequency, we can calculate the range of the unambiguous radial speed vr: Maximum unambiguous velocity (m/s) Maximum … kao feather shampoo reviewWebb1 feb. 2024 · We propose improved phase codes to mitigate the ambiguities in range for pulsed Doppler weather radars. The currently implemented code SZ (8/64) on the WSR-88D resolves signals from up to 4 range ambiguous intervals 4 ra (typically 460 km). The proposed codes extend this to 5 ra or 7 ra, suitable for scans at elevation angles ≤ 0°. ka of hco2hWebbThe goal of range-and-velocity ambiguity mitigation is to reduce obscuration (“purple haze”) and Doppler velocity errors. Solutions include implementation of the Staggered PRT (SPRT) algorithm, optimization of the existing phase coding (SZ-2) algorithm, and the design of scanning strategies that exploit both. ka of hc2h3o2Webb10 apr. 2024 · Among all the signals, the 5G signal can provide the largest bandwidth and thus can obtain the best range resolution. The 5G signal has a couple of features, which is necessary to consider when using this signal for target sensing. kaofelo clothingWebbLong range radars (LRRs) usually work in low Pulse Repetition Frequency (PRF). Although there is no or low range ambiguity, it suffers from serious Doppler or velocity ambiguity. … kaofeng international logistics co. ltdWebb17 feb. 2024 · Ambiguity resolution using dual frequency transducer for Acoustic Doppler Current Profiler applications; Proc. Mtgs. Acoust. 39, 030001 ... using the dual frequency … law office of ronald sangster