Software radar signal data processing system and software radar signal data processing method

A data processing system and data processing technology, applied in the direction of radio wave measurement systems, instruments, etc., can solve the problems of poor scalability and achieve the effects of easy expansion, resource allocation, and improved scalability

Active Publication Date: 2017-11-03
UNIV OF ELECTRONIC SCI & TECH OF CHINA
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Problems solved by technology

[0003] The purpose of the present invention is to solve the problem of poor expansibility caused by the limitations of the software-based radar framework s

Method used

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  • Software radar signal data processing system and software radar signal data processing method
  • Software radar signal data processing system and software radar signal data processing method
  • Software radar signal data processing system and software radar signal data processing method

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Embodiment 1

[0040] This embodiment provides a software-based radar signal data processing system and method, specifically including the following:

[0041] 1. System functions and tactical indicators. The entire signal data processing system receives 4 channels of intermediate frequency signals transmitted by the radar receiver, and completes A / D data reception, signal processing functions, data processing functions and human-computer interaction interfaces.

[0042] 2. System functions Main functions: (1) Receive 4 channels of IF signals transmitted from the receiver to perform sidelobe cancellation and sidelobe concealment. Two of the four signals are the sum and difference channels of the receiver; the other two are auxiliary channels of the receiver; (2) complete digital quadrature demodulation and pulse pressure; (3) include moving target display (MTI ) and moving target detection (MTD), where MTD is completed by MTI and FFT; (4) CFAR including one-dimensional CFAR, two-dimensional C...

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Abstract

The invention relates to a software radar signal data processing system and a software radar signal data processing method, so as to solve the problem of poor extensibility caused by software radar frame structure limitations in the prior art. The system comprises a hardware layer, a system layer, a middle layer and an application layer, wherein the middle layer is used for realizing universality between different hardware platforms; the middle layer is located between the application layer and the system layer for providing general service for an upper layer and is provided with a general protocol stack and a standard program interface, and the middle layer comprises data receiving middleware, data transmission middleware, real-time storage middleware, signal processing middleware, data processing middleware and radar terminal display middleware; the application layer builds a signal data processing frame based on the middle layer, a radar signal data processing function is divided to multiple assemblies and modules, and functions of platform function management and radar real-time data processing are included. Through modifying the software module of the application layer in the system, the system can be reconstructed, requirements of other radar systems can be met, a complete radar signal processing process is built, the extensibility of the system is enhanced, and the use range of the system is expanded. The system and the method of the invention are applicable to the software radar field.

Description

technical field [0001] The invention relates to the field of software-based radar design, in particular to a software-based radar signal data processing system and method. Background technique [0002] In the process of modern combat, radar detection has become the main way to obtain information. In the process of combat, the rapid progress of the combat environment, objects and countermeasures requires that the design and update of the radar system can also adapt to this rapidly changing rhythm. Due to the hard-coupling of traditional radar’s functional performance and system software and hardware structure, its development cycle is long, and maintenance and upgrades are difficult. As a product that follows an open architecture and adopts commercial off-the-shelf products, software-based radar can have a consistent A new form of standard and normative radar. In software-based radar, the digital backend is the core of efficient design, function reconfiguration, and perform...

Claims

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Application Information

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IPC IPC(8): G01S7/02G01S7/285G01S7/35
CPCG01S7/02G01S7/285G01S7/352
Inventor 沈晓峰邓贝贝冯丹煜何旭东卿兵
Owner UNIV OF ELECTRONIC SCI & TECH OF CHINA
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