Research Of Refined Radar Signal Processing Based On High-performance Processor

Phased-array radar system is an important development direction of current radar technology,it can realize the rapid antenna beam scanning with no inertia,has the ability of antenna beam agility,multi-beam forming,spatial filtering and spatial orientation,however the real-time signal processing system is the core of the phased-array radar system.With the continuous development of radar technology,a higher request of the real-time data processing ability of the radar system is put forward and the refined processing ability is a critical factor.The research contents of this thesis is to realize the signal processing system software design,based on the high performance of multi-core processor platform.In this thesis,the author introduces the basic principle and a number of engineering implementation scheme of some algorithms of radar signal processing module,such as pulse compression,moving target detection and constant false alarm detection,point trace condensed.As for a variety of complex background environment,this article analyzes in detail the application of the algorithm module method,in order to reach the purpose of fine processing test.In this thesis,the author analyze the kernel structure characteristics,computing performance,SRIO and SGMII interface interconnection advantage of the Multi-core DSP TMS320C6678.On the basis of analyzation,we explore the engineering application of parallel processing technology on multi-core.This article is based on TMS320C6678 multi-core DSP as the core of high-performance digital signal processing board,to complete the design of the software solutions of an s-band phased-array radar signal processing subsystem and the validation of application performance.The radar detects the targets within a range of detecting,and finally form the point of trace data report by processing the echo data in real time.Seen from the result,this scheme can realize the function needed,and the desired effect.Based on high-performance multi-core processing platform,this paper puts forward some ideas of the elaborating realization of the refined radar signal processing and detection,in the same time,this paper exploit the hardware performance adequately,so,as for the upgrading and expansion of subsequent system,it also has a preferable referential significance.Finally,according to the characteristics of the internal structure of multi-core DSP,some specific measures in program optimization is put forward,and these methods have a significant effect on the optimization of time and space,especially in the strict real-time implementation of algorithm.