Multi-channel wide dynamic data adaptive synthesis and health diagnosis method

A synthesis method and multi-channel technology, applied in radio wave measurement systems, instruments, etc., can solve problems such as poor fault tolerance and low efficiency, and achieve high dynamic range, guaranteed sensitivity, and reduced multi-channel consistency.

Active Publication Date: 2021-08-17
中船鹏力(南京)大气海洋信息系统有限公司
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  • Multi-channel wide dynamic data adaptive synthesis and health diagnosis method
  • Multi-channel wide dynamic data adaptive synthesis and health diagnosis method
  • Multi-channel wide dynamic data adaptive synthesis and health diagnosis method

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[0060] The present invention will be further described in detail below in conjunction with the accompanying drawings and specific preferred embodiments.

[0061] In the description of the present invention, it should be understood that the orientations or positional relationships indicated by the terms "left side", "right side", "upper", "lower" are based on the orientations or positional relationships shown in the accompanying drawings, and are only For the purpose of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operate in a specific orientation, "first", "second" and the like do not represent components importance, and therefore should not be construed as limiting the invention. The specific dimensions used in this embodiment are only for illustrating the technical solution, and do not limit the protection scope of the present in...

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Abstract

The invention discloses a multi-channel wide dynamic data adaptive synthesis and health diagnosis method which is mainly applied to radar system data sampling with high dynamic range requirements. In order to realize a high dynamic range and ensure sensitivity, a method of simultaneously sampling by a plurality of channels with different gains and then synthesizing multi-channel data into one channel is generally adopted in the design of a radar system. According to the invention, through methods of adaptive gain correction, inflection point identification based on intermediate frequency sampling, optimal working range and hysteresis comparison channel selection, automatic fault discrimination and removal and the like, high efficiency and reliability of multi-channel data synthesis are ensured.

Description

technical field [0001] The invention relates to the field of radar signal processor information collection and data processing, in particular to a multi-channel wide dynamic data adaptive synthesis and health diagnosis method. Background technique [0002] Radar sensitivity and dynamic range depend on the performance of the receiver and signal processor ADC circuits. In radar design, the performance of the analog-to-digital conversion circuit ADC often cannot meet the requirements. In order to achieve a larger linear dynamic range and ensure higher sensitivity, the multi-channel sampling method is often used in the design of radar receivers and signal processors. After the amplification, it is transmitted to the radar signal processor, and the radar signal processor completes the restoration of the multi-channel signal according to the high and low gain and then synthesizes one signal. [0003] There are many technical problems in the realization of multi-channel signal ac...

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Application Information

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IPC IPC(8): G01S7/40G01S7/285G01S7/35
CPCG01S7/40G01S7/285G01S7/352
Inventor 张杰盛开侯小宇杜海霞徐喜东
Owner 中船鹏力(南京)大气海洋信息系统有限公司
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