Research Of Portable Spectrograph Based On DSP

This paper introduces a kind of online Digital Signals Spectrograph based on technique of DSP (Digital Signals Processor). It is developed for data acquire and analysis of centrifugal compressor gang in petrifaction enterprise. Becouse of DSP is good at data process. When DSP and MCU make up of two CPU systemes they can make use of highly speed data process of DSP and control of MCU (Micro Control Unit). This can realizing the function of be required.In this paper, first DSP how to realize highly speed data process are introduced simply. Second it introduce the system that be made up of DSP and MCU hardware and software total of solution. It includes the signals conditioning, signals sample, data memory, data analysis and process, telecommunication.In the end, the total of solution is demonstrated in theory and is tested on the circuit that is given by TI (Texas Instrument) and acquire satisfactory results. Analysis results prove the Instrument of online Digital Signals Spectrograph is convenient to operate and credibility to run.