Pulse pair estimation of doppler sp.
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Pulse pair estimation of doppler sp.

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Published .
Written in English


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SeriesAD 744 094
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Open LibraryOL17403179M

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Abstract: Doppler weather radars with fast scanning rates must estimate spectral moments based on a small number of echo samples. This paper concerns the estimation of mean Doppler velocity in a coherent radar using a short complex time series. Specific results are presented based on 16 samples. Abstract The applicability of poly-pulse-pair processing for microwave Doppler radar is considered. Poly-pulse-pair processing can improve the quality of mean velocity estimates for weak signal-to-noise ratio data if the spectral widths are small compared to the Nyquist interval. Pulse-Doppler Processing p. The Discrete Time Fourier Transform of a Moving Target p. Sampling the DTFT: The Discrete Fourier Transform p. Matched Filter and Filter Bank Interpretations of Pulse-Doppler Processing With the DFT p. Fine Doppler Estimation p. Additional Doppler Processing Issues p. File Size: 16KB. The theme of the thesis is Advanced Signal Processing Techniques for Pulsed-Doppler Radar. As the title suggests, the paper deals with techniques, from a very low level point of view, that allow a radar to detect a target, estimate its parameters and track it in a noisy environment.

H. Torp: Signal processing in Ultrasound Doppler and Color Flow Imaging page 6 Note that the autocorrelation estimates R'N(m) are biased for m > 0, in contrast to the estimate RN(m) given in Equation (11). If a window function wN(m) is defined as 0 elsewhereFile Size: KB. Digital Monopulse Doppler Radar and DSP Teaching 13 Axir = Automatic X-band Instrumentation Radar This project is a new concept of a low-cost radar, specially designed for the Texas Instruments DSP Solutions Challenge. The idea was to use the performances of the TMS C5x and TMS C4x families to design a performant and intelligent radar. Pulse-Doppler Signal Processing with Quadrature Compressive Sampling Chao Liu, Feng Xi, Shengyao Chen, Zhong Liu Pulse-Doppler processing has the ability to detect moving targets in strong clutter procedures of the Doppler estimation, the target detection and the range by: 2. The bias errors of pulse pair mean estimates are more serious comparing with the pulse pair width estimates. In this paper, the poly-pulse pair method is suggested to reduce these bias errors of Author: Jong-Gil Lee.

The performance of Doppler rate estimation for coherent LFM pulse train is shown in Fig. 8. The bandwidth of the LFM pulses is 1 MHz and other parameters are kept the same as the sinusoidal case. The bandwidth of the LFM pulses is 1 MHz and other parameters are Cited by: 5. 2. D. Curtis Schleher, MTI and Pulse Doppler Radar, Artech House, Inc. 3. Dingqing Lu and Kong Yao "Importance Sampling Simulation Techniques Applied to Estimating False Alarm Probabilities," Proc. IEEE ISCAS, , ppFile Size: 1MB. Abstract: In a Doppler weather radar, high resolution windspeed profile measurements are needed to provide reliable detection of a hazardous weather condition. For this purpose, the pulse pair method is generally considered to be the most efficient estimator. However, this estimator has some bias errors due to nonsymmetric spectra and may yield meaningless results in the case of a multimodal Cited by: 2. The Pulse-pair method estimates the first moment of the Doppler-shift and the result is a robust and accurate estimation method with a very low bias. In order to verify this performance, a mixed.