代码搜索：小信号
找到约 10,000 项符合「小信号」的源代码
代码结果 10,000
www.eeworm.com/read/329796/12932341
vhd 复件 led.vhd
library ieee;
use ieee.std_logic_1164.all;
use ieee.std_logic_unsigned.all;
entity led is
port(clk:in std_logic; --时钟信号
rst:in std_logic; --系统复位信号
q:out std_logic_vector(7 downto 0))
www.eeworm.com/read/329796/12932672
bak led.vhd.bak
library ieee;
use ieee.std_logic_1164.all;
use ieee.std_logic_unsigned.all;
entity led is
port(clk:in std_logic; --时钟信号
rst:in std_logic; --系统复位信号
q:out std_logic_vector(7 downto 0))
www.eeworm.com/read/329796/12932675
vhd led.vhd
library ieee;
use ieee.std_logic_1164.all;
use ieee.std_logic_unsigned.all;
entity led is
port(clk:in std_logic; --时钟信号
rst:in std_logic; --系统复位信号
q:out std_logic_vector(7 downto 0))
www.eeworm.com/read/322439/13379976
m stepseq.m
function [x,n] = stepseq(np,ns,nf)
%
% 产生阶跃信号的子程序
%
% [x,n] = stepseq(np,ns,nf)
% ------------------------------------------
% 产生 x(n) = u(n-ns); ns
www.eeworm.com/read/321347/13408431
vhd addr.vhd
LIBRARY IEEE; --正弦信号发生器源文件
USE IEEE.STD_LOGIC_1164.ALL;
USE IEEE.STD_LOGIC_UNSIGNED.ALL;
ENTITY ADDR IS
PORT ( CLK : IN STD_LOGIC; --信号源时钟
Q : OUT STD_LOGIC_VEC
www.eeworm.com/read/307021/13732898
vhd tri_gate.vhd
LIBRARY IEEE;
USE IEEE.STD_LOGIC_1164.ALL;
ENTITY tri_gate is PORT(
d,en: IN STD_LOGIC; --d为输数据,en为输入控制信号
q: OUT STD_LOGIC); --输出信号
END tri_gate;
ARCHITECTURE behav
www.eeworm.com/read/304875/13784543
m example6_15.m
%装载原始信号并图示之
load noismima;
s=noismima(1:1000);
subplot(2,2,1);
plot(s);
title('原始信号');
%==============================
%采用默认阈值、用wdencmp函数进行消噪处理
[thr,sorh,keepapp,crit]=ddencmp('den','wp',s);
www.eeworm.com/read/304723/13788212
v timer.v
/************************************************
函数名：timer
功 能：定时器
参 数：en定时器使能信号，高电平时计数,
clk时钟信号,
flag定时器状态标志，计数时为低电平
计数截止时为高电平
***********************
www.eeworm.com/read/485466/6562959
m example6_15.m
%装载原始信号并图示之
load noismima;
s=noismima(1:1000);
subplot(2,2,1);
plot(s);
title('原始信号');
%==============================
%采用默认阈值、用wdencmp函数进行消噪处理
[thr,sorh,keepapp,crit]=ddencmp('den','wp',s);
www.eeworm.com/read/483253/6602394
m chunzaopp.m
%纯净信号和带噪信号频谱比较
close all;
clc;
count=length(A);
noise=0.1*randn(1,count);
signal=A;
for i=1:count
voice(i)=signal(i)+noise(i);
end
Fv=fft(voice);
anglev=angle(Fv);
Fn=fft(noise);
power1