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A mixed-domain compressed sampling control system and its control method

A technology for compressing sampling and control systems, which is applied in the field of communication to achieve the effects of efficient data compression, reduced design complexity, and reduced correlation

Active Publication Date: 2021-03-19
苏州知码芯信息科技有限公司
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  • Abstract
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  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The difficulty in the design of compressed sensing radar lies in the signal compression sampling method. In the early application of compressed sensing theory, the data compression was mainly realized by the random compressed observation matrix at the digital end, which did not realize the Nyquist ratio of the signal sampling end in the true sense. A Breakthrough in Sampling Theory

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  • A mixed-domain compressed sampling control system and its control method
  • A mixed-domain compressed sampling control system and its control method
  • A mixed-domain compressed sampling control system and its control method

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Embodiment Construction

[0026] The present invention provides a mixed compression sampling system for an analog domain-digital domain-level joint for compressed sensing radar, which realizes high-efficiency data compression of compression sensing radar by analog signal level low-speed sampling with digital signal secondary compression. . At the same time, it provides a white noise random filter design method for the hybrid domain compression sampling system, further reduces the correlation of the compressed sensible radar perception matrix, thereby increasing the target parameter estimation performance of compressed sensible radar in a small amount of measurement data.

[0027] A hybrid domain compression sampling control system comprising sampling the radar echo signal, a low speed sampling module capable of obtaining an echo sampling vector, is used to compress the echo sampling vector obtained by the low-speed sampling module. And the FIR filter module of the compressed observation signal and the data...

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Abstract

The invention discloses a hybrid-domain compressed sampling control system which comprises a low-speed sampling module, an FIR filtering module and a data selection module. The invention also discloses a hybrid-domain compressed sampling control method. The low-speed sampling module samples radar echo signals to obtain an echo sampling vector; and the FIR filtering module and the data selection module carries out compressed modulation on the echo sampling vector obtained by the low-speed sampling module to obtain a compressed observation signal. According to the system, primary low-speed sampling of analog signals is cascaded with secondary compression of digital signals to realize high-efficiency data compression of a compressed sensing radar, and the hardware design complexity of the compressed sensing radar can be reduced.

Description

Technical field [0001] The present invention relates to a compression sampling control system, belonging to the field of communication, particularly a hybrid domain compression sampling control system and method for radar signals. Background technique [0002] Compressed sensible radar has a significant advantage over the resolution and signal processing efficiency. The design difficulty point of compressed sensor radar is that the signal compression sampling method, in the early compressed sensory theory applications, the compression of data is mainly implemented by the random compressed observation matrix of the digital end, and does not realize the signal sample end to Nyquist. Breakthrough in sampling theory. With the continuous deepening of compressed sensory theory research, a group of signal compression sampling methods for truly reducing analog end A / D sample rate, such as random modulation sampling methods for modulation of signals using pseudo-random sequences, based ...

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G05B13/04
CPCG05B13/042
Inventor 陶宇殷文杰刘玉申张静亚徐健
Owner 苏州知码芯信息科技有限公司