代码搜索：跳频扩频
找到约 3,148 项符合「跳频扩频」的源代码
代码结果 3,148
www.eeworm.com/read/483683/6600465
h pwm.h
void PWM_init(uint ii)
{
OCR1A =19999;//50HZ方波
NOP();
OCR1B =ii;
NOP();
// TCCR1A = 0x23; //快速PWM
// TCCR1B = 0x1a; //时钟8分频 匹配清零
}
void SET_PWMA(uchar SPEED_BUF)//设置PWM占空比、频率
www.eeworm.com/read/480884/6663191
m final4.m
clc;
clear;
global dt t f df N T
close all
clear Eb_N0 Pe
N=2^15; %采样点数
L=4; %每码元的采样点数
M=N/L %码元数
Rb=2; %码速率是2Mb/s
Ts=1/Rb; %码元间隔
dt=Ts/L; %时域采样间隔
df=1/(N*dt) %频
www.eeworm.com/read/265307/11269365
c delay.c
#include "iom128v.h"
void Delay(unsigned int span)//延时span*1ms，f=4MHz ,误差 千分之0.75
{
unsigned char i;
TCCR0=0x03; //32分频计时
//span=3*span;
TIMSK=0x01; //开中断
//TCNT0=0;
www.eeworm.com/read/347293/11675595
c adc.c
#include "iom16v.h"
/*ADC采样函数，采样第7通道信号，采样分辨率256*/
unsigned char get_ad(void) {
unsigned char i;
ADMUX = 0x67; /*基准AVCC、左对齐、通道7*/
ADCSRA = 0xC2; /*使能、开启、4分频*/
while(!(ADCSRA & (1
www.eeworm.com/read/345974/11776997
c rw24cxx.c
/*
读/写24CXX(xx=01,02,04,08,16...)函数,
CPU:H8/300,晶振:16MHz/2分频,读写速率:150KHz
2000.05.05 韦忠于
BP:(0755)3322666-3080
*/
#include "3334f.h"
#include "840def.h"
#include "840ext.h"
#define INT
www.eeworm.com/read/342935/11990218
c adc.c
#include "iom16v.h"
/*ADC采样函数，采样第7通道信号，采样分辨率256*/
unsigned char get_ad(void) {
unsigned char i;
ADMUX = 0x67; /*基准AVCC、左对齐、通道7*/
ADCSRA = 0xC2; /*使能、开启、4分频*/
while(!(ADCSRA & (1
www.eeworm.com/read/341613/12075839
m 3-12.m
%例程3-12 求解单位冲击响应的幅频
N=20;
a=[0.4 0.3 -1];
b=[1 -0.2 0.6 0.3];
x=[1 zeros(1,N-1)];
k=0:N-1;
y=filter(a,b,x);
Fs=1000;
w=0:pi/Fs:pi;
h=freqz(a,b,w);
subplot(2,1,1);
stem(k,y);
www.eeworm.com/read/250507/12401454
plg measure_freq.plg
礦ision2 Build Log
Project:
D:\My Documents\近期资料\全国赛系统板\测频\measure_freq.uv2
Project File Date: 07/22/2007
Output:
Build target 'Target 1'
comp
www.eeworm.com/read/233183/14165123
plg lcd.plg
礦ision2 Build Log
Project:
D:\扫频仪20070422\spy_lcd OK最新数字从多到少刷新\lcd.uv2
Project File Date: 02/13/2007
Output:
Build target 'Target 1'
compilin
www.eeworm.com/read/220331/14803595
m ex1001.m
%例10.1低通滤波器的幅频及相频特性；
b=[0 0 1];
a=[0.08 0.4 1];
[h,w]=freqs(b,a,100);
h1=abs(h);
h2=angle(h);
subplot(211);
plot(w,h1);
grid
xlabel('角频率(W)');
ylabel('幅度');
title('H(jw)的幅频特性');
subplot(21