Title :
Design and realization of embedded frequency characteristic analyzer
Author :
He Huafeng ; Dong Haidi ; Chen Yicheng
Author_Institution :
Second Artillery Eng. Univ., Xi´an, China
Abstract :
The embedded frequency characteristic analyzer, based on FPGA and adopting the idea of virtual instrument is designed. By realizing sequential control of D/A chip and A/D chip via FPGA, the analyzer outputs sine wave signal among its working frequency range, samples and saves exciting signal and response signal of system. System Frequency characteristic is obtained through CPU algorithm processing by Sinusoidal Correlation Analysis. Research results show that, the instrument has a friendly man-machine interface and a high measuring speed. Testing waveform compares favorably with theoretical calculated one.
Keywords :
analogue-digital conversion; correlation methods; digital-analogue conversion; embedded systems; field programmable gate arrays; man-machine systems; user interfaces; virtual instrumentation; A/D chip; CPU algorithm processing; D/A chip; FPGA; embedded frequency characteristic analyzer design; exciting signal; friendly man-machine interface; measuring speed; response signal; sequential control; sine wave signal; sinusoidal correlation analysis; system frequency characteristic; virtual instrument; waveform testing; Correlation; Field programmable gate arrays; Frequency control; Instruments; Manganese; Random access memory; Testing; FPGA; Frequency Characteristic Analyzer; PC104; Sinusoidal Correlation Analysis;
Conference_Titel :
Control and Decision Conference (CCDC), 2013 25th Chinese
Conference_Location :
Guiyang
Print_ISBN :
978-1-4673-5533-9
DOI :
10.1109/CCDC.2013.6561267
