通过对IIR数字滤波器算法的研究,得出IIR数字滤波器的设计方案.经过仿真实验表明该滤波器能够滤除信号中的噪声,滤波效果良好 -Of IIR digital filter algorithm, derived IIR digital filter design. After simulation results show that the filter can filter out the noise signal, filter results

锁相电路是相位锁定环(Phase Locked Loop)的简称，主要由鉴相器、环路滤波、压控振荡器成 。主要是要掌握LabVIEW图形化编程特点，-PLL circuit is phase-locked loop (Phase Locked Loop) for short, mainly by the phase detector, loop filter, VCO into. Mainly to grasp the features of LabVIEW graphical programm