代码搜索:数字调频
找到约 10,000 项符合「数字调频」的源代码
代码结果 10,000
www.eeworm.com/read/168679/9902140
m lmf2x.m
%信号直接相乘后求FFT
for nn=1:5
clear
k=5E+10; %调频斜率
fo=10E+6;%载频
T=30E-6;%脉冲宽度
n=4000;%抽样点数
fs=40E+6;%采样频率
ts=1/fs;%采样时间间隔
t=ts:ts:n*ts;
p=zeros(1,n);
p(500+1:500+T*fs)=ones(1,T*fs);
signal=
www.eeworm.com/read/240386/13221056
m zstp_sig.m
% 摘自《信息时代的电子战》(29所)
% 1。产生高斯噪声电压
% 2。用6极点椭圆滤波器形成噪声带宽
% 3。将滤波器输出送到一压控震荡器,输出即为调频噪声干扰信号
clf;
clc;
%close all;
clear all;
N = 4096;
tmax = 1/2;
t = 2*tmax*(-N/2:N/2-1)/N;
fs= N/2/tmax;
www.eeworm.com/read/317706/13499265
m chanshengfashexinhao.m
close all;clear all ; clc;
%%%%%%%%%%产生雷达发射信号%%%%%%%%%%%%%%
code={1,1,1,1,1,-1,-1,1,1,-1,1,-1,1}; %13位巴克码
tao=10e-6; %脉冲宽度1μs
fc=28e6; %调频信号起始频率
f0=30e6;
fs=100e6; %采样频率
ts=1/fs;
B=
www.eeworm.com/read/488899/6479213
txt 产生一个chirp子脉冲步进频信号.txt
//产生一个chirp子脉冲步进频信号
#include
double y[10000];
void steppedchirp(double f0,int n,int N,double Tr,double k,double T,double a,double fs)/*f0载频,k调频斜率,Tr取样周期,T脉宽,a幅度,n一周期内取样点数,N一周期子脉冲个数
www.eeworm.com/read/234743/14098507
m main2.m
close all;clear all;clc;
%%%%%%%%%%产生雷达发射信号%%%%%%%%%%
code=[1,1,1,1,1,-1,-1,1,1,-1,1,-1,1]; % 13位巴克码
tao=10e-6; % 脉冲宽度10us
fc=28e6; %调频信号起始频率
f0=30e6;
fs=100e6; %采样频率100MHz
ts=
www.eeworm.com/read/475267/6795408
m noisefm.m
%噪声调频干扰
function y=noiseFM(uj,mf,wpp);
%mf>>1时:功率等于载波功率uj^2/2; 干扰带宽(半功率带宽)与调制噪声的带宽无关,正比于调制噪声的功率和调谐率
fj=35e6;
bj=10e6; %干扰带宽
Tr=520e-6;
fs=4*fj;
t1=0:1/fs:3*Tr-1/fs;
www.eeworm.com/read/282446/9093016
java calcappdemo.java
import java.awt.*;
import java.awt.event.*;
class CalcAppDemo extends Frame{
private TextField t_result;
private Panel p_main;//主面板
private Panel p_num;//数字面板
private Panel p_o
www.eeworm.com/read/282446/9093029
java computer.java
import java.awt.*;
import java.awt.event.*;
class CalcAppDemo extends Frame{
private TextField t_result;
private Panel p_main;//主面板
private Panel p_num;//数字面板
private Panel p_o
www.eeworm.com/read/184116/9121073
dat sitlist.dat
本地图书馆|LOCAL_SITE|1093||\local\||||
光盘|CDROM_SITE|1243||{cdrom}||||
数字图书网|SS_REMOTE_SITE|1010|http://booklist.ssreader.com/update|\remote112\|1|256|1|3|
www.eeworm.com/read/371205/9562071
js datatrans.js
// some methods about the data ,eg. json , xml
/*
* @author: shennan , amushen@yahoo.com.cn
*/
function numToType(num){
//节点类型的转换,将数字转成对应的字符串
num=parseInt(num);
switch(num){
case 1: