Joint angle and doppler frequency estimation for MIMO radar with one-bit sampling: A maximum likelihood-based method

F Xi, Y Xiang, Z Zhang, S Chen… - IEEE Transactions on …, 2020 - ieeexplore.ieee.org
We consider a multiple-input multiple-output (MIMO) radar that works through one-bit
sampling of received radar echoes. The application of one-bit sampling significantly reduces …

A blind stopping condition for orthogonal matching pursuit with applications to compressive sensing radar

S Chen, Z Cheng, C Liu, F Xi - Signal processing, 2019 - Elsevier
Orthogonal matching pursuit (OMP) is a popular greedy algorithm because of its simplicity
and low computational cost. In the application of OMP, one of the most important issue is to …

Non-sparse SAR imaging from quadrature compressive measurements based on magnitude-phase separation

C Chen, H Yang, S Chen, F Xi… - IEEE Transactions on …, 2023 - ieeexplore.ieee.org
Sub-Nyquist synthetic aperture radar (SAR) can recover images from sub-Nyquist samples
with a prerequisite that SAR imaging scenes are sparse in certain basis. However, plenty of …

[PDF][PDF] 基于频域时延-多普勒二维聚焦的欠采样雷达信号参数估方法

尉志良, 付宁, 乔立岩 - 电子与信息学报, 2021 - jeit.ac.cn
针对欠采样脉冲多普勒雷达信号参数估计中已有方法抗噪性差, 顺序参数估计方法中后续参数
估计受前面参数估计精度影响严重等问题, 该文提出一种基于有限新息率(Finite Rate of …

Sequential-based range-doppler estimation with fast and slow time sub-Nyquist sampling

Z Wei, N Fu, S Jiang, J Qian… - IEEE Transactions on …, 2022 - ieeexplore.ieee.org
Range-Doppler detection with pulse sequences exists widely in Radar, sonar, ultrasound
imaging, and many other engineering applications. However, the classic methods require a …

Sub-Nyquist SAR via quadrature compressive sampling with independent measurements

H Yang, C Chen, S Chen, F Xi - Remote Sensing, 2019 - mdpi.com
This paper presents an efficient sampling system for the acquisition of synthetic aperture
radar (SAR) data at sub-Nyquist rate. The system adopts a quadrature compressive …

Position determination for moving transmitter using single station

Y Sun, Q Wan - IEEE Access, 2018 - ieeexplore.ieee.org
A common case in location problem is that the terminal is unstable or moving. The classical
methods construct equations related to the measurements observed at the individual …

A multicycle sub-Nyquist sampling system for pulse streams with Doppler shift

Z Wei, N Fu, L Qiao - Signal Processing, 2020 - Elsevier
Pulse streams with Doppler shift exists widely in radar, communications, and many other
time-variant linear systems. One central task in identifying these systems is to recover the …

A general and yet efficient scheme for sub-Nyquist radar processing

S Chen, F Xi, Z Liu - Signal Processing, 2018 - Elsevier
We study the target parameter estimation for sub-Nyquist pulse-Doppler radar. Several past
works have addressed this problem but either have low estimation accuracy for off-grid …

Quadrature compressive sampling for multiband radar echo signals

S Chen, F Xi - IEEE Access, 2017 - ieeexplore.ieee.org
In multiband/multifunction radars, the received echoes are usually multiband signals
consisting of several subbands with different carrier frequencies. Digital acquisition of the in …