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xunhuan
- 调制信号的识别，可以通过各种调制的功率谱不同来识别，但这种方法在小信噪比下，性能不好，通过循环功率谱来识别，仿真表明在小信噪比下有很好的性能-modulation signal identification, can be modulated through the power spectrum to identify different, but this approach in a small signal to noise ratio, poor performance, cycle po
QAM
- 本文介绍了QAM调制、解调和判决原理，讨论了QAM的误码率性能，并在SystemView下对QAM调制、解调系统进行了仿真，观察并分析了原始输入信号、调制信号、解调信号、星座图以及QAM信号的功率谱图。-QAM modulation, demodulation and sentencing principle, the QAM BER performance, and right under the SystemView QAM modulation, demodulation system f
generate_mod_signal
- 产生15种模拟及数字调制信号函数。参数说明：type－调制信号种类,total_time－信号总时间长度,fc－载频,fs－抽样频率,symbol_rate－符号率-have 15 analog and digital modulation signal function. Parameter Descr iption : type-modulated signal types,'04-Signal total time length, fc-carrier frequency, fs-
Amodulation
- 模拟调制信号产生，am,ssb,dsb.fm,comb-analog modulation signal generator, am, SSB, dsb.fm, comb
qpsk+matlab
- 用matlab语言实现QPSK调制信号产生-using Matlab language QPSK modulation signal generator
write_waveform_to_esg
- 安捷仑的数字调制信号发生器E4438用于很多通信系统的开发过程中。本代码可以用于通过网络接口或GPIB接口向E4438下载被调制数据-Ansett in 2000 digital modulation signal generator E4438 used in many communications systems development process. The code can be used by the network interface or E4438 GPIB interface
CP0302_PPM_PERIODIC
- 一般周期调制信号下的模拟ppm信号matlab仿真-general cycle modulation signal simulation ppm Matlab Signal Simulation
CP0303_PPM_RANDOM
- 随机调制信号下的模拟ppm的matlab仿真-random modulation signal simulation ppm of Matlab simulation
anaqpsk
- 产生一个正交相位调制信号（QPSK），该信号可供复数解析，调制相位为（0，pi/2,pi,3*pi/2）-have an orthogonal signal phase modulation (QPSK), which is available for complex signal analysis, Phase modulation (0, pi / 2, pi, pi * 3 / 2)
anapulse
- 该程序能够产生一个脉冲调制信号，信号为复数解析类型，实部满足狄拉克脉冲函数-the procedure can have a pulse modulation signals, signal analysis for complex types, meet the real Dirac pulse function
pinlvtiaozhi
- 在matlab中构成不同频率的调制信号，这些函数都是以fm开头，产生常数、双曲线、线性、抛物线等频率调制信号．-in Matlab, constitute a different frequency modulation signal, these functions are beginning to fm, have a constant, hyperbolic, linear, parabolic and other frequency-modulated signal.
KeyPwm234
- PWM控制电机,用PWM控制电机,熟悉定时器Timer A/B的编程方法。用Timer A作为脉宽调制信号产生的定时器.了一个函数F_Pwm(int a,int b) 用于PWM设置，传入两个参数第一个用于频率设置，第二个用于占空比设置。-PWM motor control using PWM motor control, timer Timer familiar with the A / B programming method. A Timer used as a PWM signal to
cyclic2
- 基于matlab实现的循环谱估计算法，可以对具有循环平稳特点的信号进行参数估计，如直扩信号和周期调制信号。-based on the cycle of Matlab achieve spectral estimation algorithm, be right circle with a smooth characteristics of the signal to estimate the parameters, such as DS signal and modulation signal
ruanjianwuxiandian
- 软件无线电中数字调制信号的自动识别，，，信号自动识别的可一-software radio digital modulation signal, the automatic recognition, and automatic signal recognition of a look
oqpskmodulation
- 偏移四相移相键控调制，也就是OQPSK，输出信号为OQPSK调制信号的复包络
DDS
- 基于ｆｐｇａ，采用ｑｕａｒｔｕｓ２的ＤＤＳ信号发生器，采用高速ＤＡＣ９０８为数模芯片，并可通过５１单片机送入调制信号进行ＦＭ调制
Multi-ClassSVM
- 提出了一种基于支持向量机的多类模拟调制方式识别算法。该算法通过分析模拟调制信号的特点，提取有效的特征向量以区分不同的调制方式，并基于支持向量机和判决树分类思想，将特征向量映射到高维空间中加以分类。
fre1_mod
- 通过仿真产生频率调制信号，并对其频谱特性进行分析
RFID
- RFID二次调制信号的I、Q相关解调模型，直接运行即可
TwoPointModulation_CP4FSK
- 两点调制信号源的MATLAB生成，调制方式为CP4FSK，输出两路幅度可调的两点调制型号源