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/210393/15199615
m ofdm_signal_generator.m
function OFDM_signal_generator(M,N)
S0=floor(2*rand(N,M)); %产生M行N列个0,1随机数
s=QAM(S0); %进行星座映射
for k=0:Np-1 %加入导频1
s(k*N/Np+1,:) = 1;
end
x=ifft(s)*sqrt(N
www.eeworm.com/read/174521/9583780
asm sr2_56k.asm
;单片机类别:12分频单片机
;单片机的振荡频率:22.1184MHz
;CARD类型:56Kpbs
;CARD的振荡频率:3.5795MHz
;CARD的IO管脚:P2.0
;===================================
;1ETU需要的nop数:32.9556 ; 0.5etu=17
;1ETU(实际-现在):=-.111300460958233
www.eeworm.com/read/174521/9583962
asm sr1_56k.asm
;单片机类别:12分频单片机
;单片机的振荡频率:22.1184MHz
;CARD类型:56Kpbs
;CARD的振荡频率:3.5795MHz
;CARD的IO管脚:P2.0
;===================================
;1ETU需要的nop数:32.9556 ; 0.5etu=17
;1ETU(实际-现在):=-.111300460958233
www.eeworm.com/read/367592/9741434
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/415746/11055942
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/334103/12634674
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/461758/7220787
asv test5.asv
%%%%%%%%%%%%%%%扩频通信--加载波发射为随机码%%%%%%%%%%%%%%%%%%
close all;
clear all;
clc;
fs1=3e3;%带宽
fs3=15e3;%采样频率
fs2=4.5e3;%载波频率
m=6;%伪码m
tb1=1/fs1;
tb2=1/fs2;
tb3=1/fs3;
f02=pcode1(m);%产生m
www.eeworm.com/read/364029/9924483
asm timer.asm
ORG 00H
TICK EQU 10000 ;10000×100us=1s
T100us EQU 256-100 ;100us时间常数(12M)
C100us EQU 30H ;100us计数单元
LEDBUF EQU 40H
LED BIT P1.0
LJMP START ;跳至主程序
ORG 000BH
www.eeworm.com/read/424825/10409754
asm zijidewenkong.asm
DATA1 DATA 30H
ORG 0000H ;程序执行开始地址
LJMP main ;跳至START执行
ORG 0003H ;外中断0中断入口地址
RETI
;LJMP TIM0
RETI
ORG 000BH ;定时器T0中断入口
RETI
ORG 0013H ;外中断1中断入口地址
RETI
www.eeworm.com/read/423958/10513533
asm timer.asm
ORG 00H
TICK EQU 10000 ;10000×100us=1s
T100us EQU 256-100 ;100us时间常数(12M)
C100us EQU 30H ;100us计数单元
LEDBUF EQU 40H
LED BIT P1.0
LJMP START ;跳至主程序
ORG 000BH