The invention discloses a secondary radar information processing system based on CPU (Central Processing Unit) and GPU (Graphic Processing Unit) The information processing system comprises system hardware including a radio frequency signal acquisition module, a computer, a GPU computing card and a communication network and system software including an operation system, a communication middleware,radar signal processing software, radar data processing software and management software The total flow of information processing comprises the steps of sampling a radar signal; processing a secondary radar signal; processing secondary radar data; inputting, outputting, processing and controlling all the processes By adopting the system, hardware bases of the radar system are general, the functions and the performance are defined by the software, and the defects of traditional radar in extensibility, diversity and reliability are overcome; meanwhile, the advantages of flexibility in use, higher reliability, lower use cost, lower energy consumption, updatability, extensibility and the like are brought, and the use efficiency of the system is improved

Secondary radar information processing system based on CPU (Central Processing Unit) and GPU (Graphic Processing Unit)

The invention relates to the field of radar signal processing software, in particular to a radar signal processing cluster platform and a method for realizing software expansion The invention provides a radar signal processing trunking platform and a software easy-to-expand realization method The method of the invention comprises the development of system layer software, the development of middle layer software, the development of application layer software, the realization of radar signal processing software and the expansion of signal processing software The method of the invention has the advantages of universality, high fault tolerance rate, short development period, etc, and can realize the function definition, resource allocation and mode expansion of radar signal processing software

A radar signal processing trunking platform and a software easy-to-expand implementation method

The invention discloses a low-speed monitoring radar signal processing method based on a GPU The method comprises the steps that I/Q signal data is received, the I signal data and the Q signal data are pre-processed respectively, and the processed data is stored into a GPU internal memory; the pre-processed data stored in the GPU internal memory is read and subjected to pulse compression, and thedata obtained after pulse compression is stored into a GPU buffer area of an MTD; the data stored in the GPU data buffer area of the MTD is read, the read data is weighted and then subjected to FFT processing, and the data obtained after FFT processing is subjected to logarithm processing; the data obtained after logarithm processing is subjected to constant false alarm detection operation, and the operation result is stored in the GPU data buffer area; the data in the GPU data buffer area is copied into a CPU internal memory, and corresponding track data information is resolved Based on CPUand GPU architecture development, real-time processing of radar signals is achieved through C++ and CUDA programming, and the processing capacity of the radar signals is greatly improved

Low-speed target monitoring radar signal processing method based on GPU

The invention provides a software module standardized development method and a software system development method. The software module standardized development method defines eight elements for the standardized software module: an attribute, a service method, a plug, a slot, a signal, a signal slot, an announcement, and an announcement slot; the attribute, the service method and the announcement are represented by using the text, different standardized software modules perform hard connection through the plug and the slot and perform flexible connection through the signal and the signal slot;the loosen dynamic association is performed through the announcement and the announcement slot, each standardized software module comprises a plug representing the software and at least one element ineight elements; multiple standardized software modules are assembled into a new standardized software module; the method disclosed by the invention is simple and easy to implement, the large-scale reuse problem of the software can be solved, the development cost of the software is reduced, the software development quality and efficiency are improved, the professional work division, social cooperation and industrial production target of the software are realized.

Software module standardized development method and software system development method

The invention belongs to the technical field of radar remote sensing application and particularly relates to a GPU-based synthetic aperture radar target detection method. Based on the traditional two-parameter constant false alarm rate detection and convolutional neural network principles, the invention proposes a C-CFAR target detection method based on GPU parallel implementation, and the methodis applied to SAR target detection. By performing convolutional layer and pooling layer processing on an original image, performing two-parameter constant false alarm rate target detection and performing certain subsequent processing steps, a detection result is obtained, a GPU is used to carry out parallel acceleration on the algorithm, as a parallel implementation method, the speed of SAR targetdetection is greatly improved, and real-time requirements are satisfied.

GPU-based synthetic aperture radar target detection method

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.

Qing Bing

Papers

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