The Design for Parallel Computing Simulation of Waveforms in the Front End of Sonar

A commercial off-the-shelf (COTS) parallel processing system, consisted of multi-DSPs and a control computer, is used as a hardware platform for the online simulation of waveforms in the front end of sonar. The simulation system should be kept open and be run in real time, so the design issues for the simulation software in the multi-DSPs platform were addressed. The task parallel mode of the simulation system was designed. The program framework of DSP process was defined as active object based on object-oriented for the pipeline stage being smartly mapped onto DSP. Latency-tolerance technology was used for the design of data communications between DSP. Practices show that the constructed simulation system runs in real-time and can be modified easily and reconfigured that are usually difficult for the multi-task parallel DSP system.