Research on a shape signal processing system

To deal with on the shortcomings and the cause of the shape signal processing traditional system architecture model,"signal processing board upper machine software" model was proposed.Signal processing board is a circuit board taking the DSP microprocessor as the core and fitting with the peripheral electronic devices and circuits and undertakes some tasks which have upper requirement for real time,and sends the processing result to the upper machine.The compensation models of amplitude-frequency characteristic and calibration coefficients were established by experimentation using the experimental installations developed autonomously,and the compensation model for marginal measuring unit coated by clod strip,which is suitable to the situation pulling to one side,was established by theoretical analysis.Following the guidance of the above research and combining the project requirements,a shape signal processing system was designed and developed,and applied into the field test.The results show that the shape signal processing system meets the requirement of real-time and precision,runs steadily and reliably and has better effect of shape measurement and control.The system architecture model and the research methods of signal compensation are instructive and meaningful to develop the high-quality shape signal processing system autonomously.