A Signal Processor for Doppler Weather Radar

Abstract

The invention discloses a signal processor of a Doppler weather radar. The signal processor comprises a signal processing unit, wherein the signal processing unit comprises a signal receiving module,a signal storage module, a signal analysis module, a filtering module, a signal processing module, a quality control module and a parameter configuration module. The signal processor solves the problem that the difficulty in research and development as well as simulation debugging of a signal processing algorithm is great, the improvement and function upgrading of the signal processing algorithm are difficult, a universal server is used as a hardware platform of the signal processing unit, the operation speed is fast and the expansibility is high, a software-based design is adopted, functionsof a radar system are enhanced or expanded through reconstruction and continuous improvement of software, and rapid diversification detection is achieved.

Description

technical field [0001] The invention relates to the development field of radar signal processors, in particular to a signal processor for Doppler weather radar. Background technique [0002] In the existing technology, the signal processing part of the radar is generally implemented by a dedicated DSP chip combined with an FPGA. Due to the high complexity of FPGA and DSP chip programming, it is more difficult to develop and simulate the signal processing algorithm, especially limited Due to the internal resources of the chip, it is difficult to improve the signal processing algorithm and upgrade the function in the later stage; and the radar signal processing part uses the dedicated differential bus or parallel data bus of the backplane to receive the IQ signal, and the data transmission rate is limited by the backplane bus rate. Contents of the invention [0003] In order to overcome the defects of the above-mentioned prior art, the present invention provides a signal pr...

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Problems solved by technology

[0003] In order to overcome the defects of the above-mentioned prior art, the present invention provides a signal processor for Doppler weather radar, which solves the difficulties in the research and development of signal processing algorithms and simulation debugging, as well as the difficulty in the improvement and function upgrade of signal processing algorithms The problem is to use a general-purpose server as the hardware platform of the signal processing unit, which has fast computing speed and strong scalability. It adopts software design, through software reconstruction and continuous improvement, to enhance or expand the functions of the radar system and realize rapid and diversified detection.

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