Research on Real-time Extracting Method for Distance Characteristic Feature Based on CUDA

The distance change ratio of target can be described by distance characteristic feature. A method for extracting distance characteristic feature from LOFAR spectrum striations has been introduced. Because sound field computation and image processing consume too much time, CUDA technology has been used on extraction of distance characteristic feature to solve the problem of low efficiency. The CUDA technology which is provided by NVIDIA corporation has acquired programmability to perform general purpose fast computation by running ten thousands of threads concurrently. The experimental results show that the CUDA is practical for the application. Distance characteristic feature of target can be extracted in real-time based on CUDA technology.