选用MQ2气体传感器对现场可燃性气体浓度进行检测，采用功能和性价比较高的STC89C52单片机作为中央处理单元，对浓度信号进行采集、数据处理、显示、报警及打开排气装置等工作。-Using mq2 gas sensor for the concentration of flammable gas field were detected by function and high ratio of performance to price STC89C52 microcontroller as the

这个MATLAB练习比较和对比三种方法计算复杂信号的倒频谱的z变换由单极系统极半径小于1(即。单位圆内,真正的根源)。的三种计算方法计算复杂这个最小相位信号的倒频谱分析方法,递归最小相位信号的方法,和传统方法计算复杂的傅里叶反变换的对数的傅里叶变换的信号。-This MATLAB exercise compares and contrasts three methods for computing the complex cepstrum of a signal whose z transfor

雷达信号检测用CFAR检测器?，单元平均恒虚警检测——CA-CFAR检测器：包括对于无目标、仅有噪声的信号进行CA-CFAR检测的仿真(CFAR detector for radar signal detection, unit average constant false alarm detection - CA-CFAR detector: Simulation of CA-CFAR detection for signals with no target and only noise)