4-20mA 源代码

%例程4－4 基于巴特沃斯模拟滤波器设计数字带通滤波器 Wp=[0.3*pi,0.4*pi]; Ws=[0.2*pi,0.5*pi]; Ap=3; As=18; [N,wn]=buttord(Wp/pi,Ws/pi,Ap,As); %计算巴…

var isnMonth = new Array("1月","2月","3月","4月","5月","6月","7月","8月","9月","10月","11月","12月"); var isnDay = new Array("星期日","星期一","星…

Figure 4-4

【例4.4】在VFP命令窗口中，执行如下命令： SAVE TO AA SAVE TO MM ALL LIKE X* SAVE TO BB ALL EXCEPT ?Y

#define MAX_VERTEX_NUM 20 typedef enum{FALSE,TRUE} Boolean; /*自定义的真值和假值，其中FALSE实际值为0，而TRUE实际值为1*/ Boolean visited[MAX_VERTEX_NU…