[8] 樊昌信.通信原理(第五版)[M].北京：国防工业出版社,2001 .
[9] Richard c.Dorf.modern conctrol systerm[M].BEIJING:Science Publishing House，2002.
[10] Donald A. Neamen. Electronic circuit analysis and design[M].Tsinghua University Press and Springer Verlag.2002.
附 录1
（1）本设计使用的单片机程序如下：
#include <pic.h>
//*************************
void INIT()
{
ADCON1=0X07;
TRISC=0X80;
TRISB=0X00;
TRISD=0X00;
RD1=0;
RD0=0;
TRISA=0X0f;
TRISE=0X00;
}
//*************************
#include <pic.h>
#include "init.h"
#include "proc.h"
//*************************
unsigned char i;
unsigned int delay;
extern unsigned char a;
extern unsigned char temph;
extern unsigned char templ;
//***************************
void main()
{
//初始化
INIT();
for(delay=65536;delay>0;delay--) asm("clrwdt");
temph=0x35;
templ=0x30;
do
{
asm("clrwdt");
PROCDIANPIN();
RC0=0;
RC1=0;
}while(1);
}
#include <pic.h>
#include "tranpc.h"
//*********************
union adres
{
int y1;
unsigned char adre[2];
}adresult;
extern unsigned int delay;
unsigned int temp;
unsigned int y;
unsigned char receive;
unsigned char a;
extern unsigned char rxbuf[];
unsigned char temph;
unsigned char templ;
extern unsigned char i;
//******************************
void PROCDIANPIN()
{
ADCON0=0X89;
ADCON1=0X84;
ADIF=0;
ADGO=1;
for(delay=0x8ff;delay>0;delay--) asm("nop");
while(ADIF==0)
{
asm("clrwdt");
}
asm("clrwdt");
ADIF=0;
adresult.adre[0]=ADRESL;
adresult.adre[1]=ADRESH;
if((adresult.y1<=0x204)&&(adresult.y1>=0xD9))
{
temp=0x10;
for(
y=0x204;adresult.y1<=y;adresult.y1=adresult.y1+0x07)
{
temp++;
if(temp==0x1a) temp=0x20;
if(temp==0x2a) temp=0x30;
if(temp==0x3a) temp=0x40;
if(temp==0x4a) temp=0x50;
if(temp==0x5a) temp=0x60;
if(temp==0x6a) temp=0x70;
if(temp==0x7a) temp=0x80;
if(temp==0x8a) temp=0x90;
if(temp==0x9a) temp=0x100;
}
}
TXPC(temp);
&nbs
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