该文件为上海创景公司的介绍PPT,全面介绍了DDS产品的功能、性能和部署使用方式。
This document introduces ppt of Shanghai Chuangjing company, and comprehensively introduces the function, performance and deployment of DDS products. (2020-01-30, C/C++, 1281KB, 下载2次)
变声器变声器变声器 变声器自己下载研究吧
Download the sound changer for your own research. (2019-02-10, C/C++, 1483KB, 下载3次)
HDB3码在MATLAB中的.M文件仿真实现，附有波形图片生成代码，已运行过
THE HDB3MA OF MATLAB (2018-06-07, C/C++, 59KB, 下载1次)
dds9834通信控制,配i和FPGA控制和pll可以得到频率的捷变
dds9834 communication control, with I and FPGA control and PLL can get frequency agility (2018-03-29, C/C++, 1KB, 下载1次)
嵌入式编码器底层代码，51单片机驱动，通过串口打印编码器旋转角度
Embedded encoder bottom code, 51 single chip driver (2018-02-17, C/C++, 60KB, 下载8次)
ask解调程序，包括其中相关的滤波以及数据。能够解调波形以及得出误码率
Ask demodulation program, including relevant filtering and data. Can demodulate the waveform and get the error rate. (2018-01-30, C/C++, 1KB, 下载6次)
滤波器,对波形进行低通和高通等滤波,也可以设置所要截断的频率, (2018-01-02, C/C++, 1766KB, 下载1次)
http://www.pudn.com/Download/item/id/1514877619859677.html
数字滤波器,有多种滤波方式：高通滤波，低通滤波，带通滤波。高斯滤波器，切必雪夫滤波器
Digital Filter， high pass filter, low pass filter, band filter, Goss filter and so on. (2014-09-21, C/C++, 6KB, 下载17次)
环路滤波器参数设计软件，有效支撑锁相环系统
Loop filter parameters design software，Effectively support the phase-locked loop system (2014-03-10, C/C++, 29KB, 下载22次)
（1） 分析QPSK调制、解调原理，并画出其系统框图；
（2） 产生等概率且相互独立的二进制序列，作为待传输的信号，并画出其波形；
（3） 进行8PSK调制，分别画出I、Q两支路信号经过乘法器后的波形以及8PSK调制波形；
（4） 产生均值为0，方差为1的加性高斯随机噪声，画出其时域波形及频谱；
（5） 将加性高斯随机噪声作为传输信道的干扰，画出接收端信号的时域图；
（6） 进行8PSK解调，输出解码序列，画出解调后信号波形；
（7） 计算系统信噪比、传输误码率。
(1) analysis of QPSK modulation, demodulation, and draw the system block diagram (2) have equal probability and independent binary sequence as a signal to be transmitted, and draw the waveform and (3) 8PSK modulation, Draw the I, Q two way signal multiplier waveform and 8PSK modulation waveform (4) to produce zero mean and variance of an additive Gaussian random noise, to draw the time-domain waveform and spectrum ( 5) the additive Gaussian random noise interference as a transmission channel, to draw the time-domain diagram of the receiver signal (6) 8PSK demodulator output decoding sequence, draw the demodulation of the signal waveform computing system (7) signal-to-noise ratio, the transmission bit error rate. (2012-06-24, C/C++, 2KB, 下载109次)
基于ht9200与ht9170的DTMF信号的发生于接收
To send and receive DTMF signal basic on the ht9200 and ht9170 (2011-11-08, C/C++, 2KB, 下载13次)
用双线性变换法设计IIR滤波器,IIR数字滤波器设计及软件实现
Bilinear transformation method using IIR filter design, IIR Digital Filter Design and Implementation of Software (2011-04-28, C/C++, 9KB, 下载9次)
ATmega1280_GPRS测试 按时发生的方式
GPRS dut yuanma ceshi (2011-03-08, C/C++, 321KB, 下载1次)
报警器程序,直接电话线,就可以用手机,固话,直接拨打
报警器程序,直接电话线,就可以用手机,固话,直接拨打 (2009-12-18, C/C++, 25KB, 下载10次)
程控滤波器在线下载绝对好用只需解压就可使用
lkjjjahflkahklajhgklajga (2009-08-19, C/C++, 8KB, 下载10次)
ModbusPoll 网上找的测试 Modbus协议，比较经典的版本，包含序列号发生器
ModbusPoll online test to find Modbus protocol to compare the classic version that contains the serial number generator (2008-08-12, C/C++, 617KB, 下载43次)
fir滤波器代码,实现基本的FIR滤波器
fir filter code, the realization of the basic FIR filter (2007-07-17, C/C++, 9KB, 下载47次)
这是一个有关数字滤波器设计的一个教程，培训用的，感觉很不错
This is one of the digital filter design of a tutorial, the training feels really good (2007-06-13, C/C++, 347KB, 下载185次)
数字滤波器的iir的chebyshev低通滤波器
Digital Filter iir chebyshev the low-pass filter (2007-04-28, C/C++, 2KB, 下载43次)
将模拟滤波器转变为数字滤波器。
analog filter into digital filter. (2004-11-10, C/C++, 1KB, 下载14次)