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本软件是线性调频（LFM）脉冲压缩雷达仿真系统的一部分，具有典型性和实用性，希望对搞雷达仿真的朋友们有所帮助。-the software of linear frequency modulation (LFM) radar pulse compression part of the simulation system, classic and practicality, and I hope to engage the radar simulation friends help.
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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.
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Abstract：Noise frequency modulation(FM)jamming。which belongs to blanket jamming。is already become
the main form ofnoise jamming at present。because the wideband was gained by it．Tne spectnlnl ofnoise FM
jamming is analyzed by time domain autocorre
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访真了高频系统的调制解调，并有波形显示，-visit to a real system of high frequency modulation and demodulation, and waveform display,
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Frequency Modulation
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经典载波跟踪环costas环simulink建模仿真，采用QPSK调制，包含上下变频以及三种不同鉴相方式。,Classic costas loop carrier tracking loop simulink modeling and simulation, using QPSK modulation, including the upper and lower frequency, as well as phase three different ways.
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详细的OFDM设计过程，包括Matlab仿真、DSP源码及文档说明。
OFDM(正交频分复用)技术实际上是MCM(Multi-Carrier Modulation，多载波调制)的一种。,OFDM detailed design process, including the Matlab simulation, DSP source code and documentation. OFDM (Orthogonal Frequency Division Multiplexing) technolo
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线性调频（LFM）脉冲压缩雷达仿真
具体的matlab程序说明以及方法介绍,Linear frequency modulation (LFM) pulse compression radar simulation matlab specific descr iption of the procedures and methods introduced
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利用MATLAB实现了跳频信号的调制和解调，给出了频谱图。,The use of MATLAB implementation of the frequency hopping signal modulation and demodulation, give the frequency spectrum.
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A Matlab scr ipt to simulate a Phase-Locked Loop (PLL). This is a type II PLL ie it has two integrators (one of these is the VCO itself).
It is simulated with an FM (frequency modulation) input. The output is the demodulated baseband signal,A Matlab
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滞环SVPWM整流器的Simulink仿真，种基于不定频滞环的空间矢量脉宽调制( SVPWM)电流控制方法,Hysteresis SVPWM Rectifier Simulink simulation, based on variable-frequency hysteresis of the space vector pulse width modulation (SVPWM) current control method
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实现函数信号发生器功能 可采用调频、调幅等方式对信号调制并有图形。复制和频率在一定范围内连续可调。-Function can be used to achieve the function signal generator FM, AM, etc. on the signal modulation and a graphic. Copy and frequency adjustable within a certain range.
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信号发生器，可输出三角波，方波，锯齿波，可调频调幅-Signal generator output triangle wave, square wave, sawtooth wave, frequency modulation amplitude modulation can be
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使用QPSK调制的正交频分复用（OFDM）系统的Simulink仿真OFDM Implementation using QPSK Modulation。,QPSK modulation using orthogonal frequency division multiplexing (OFDM) system in Simulink simulation of OFDM Implementation using QPSK Modulation.
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SPREAD SPECTRUM MODULATION TECHNIQUES
-spread spectrum - those modulation methods that are producing a signal whose
spectrum is more wider than of the data signal, the occupied frequency band being
independent by the signal of data band.
-The sig
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完整的OFDM链路程序并作了较为具体的解析从基本的bpsk,qpsk,qam到实际的ofdm系统，cdma链路，mac层仿真分析.,Orthogonal frequency division multiplexing (OFDM) is becoming the chosen
modulation technique for wireless communications. OFDM can provide large data
rates with sufficient robustnes
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，用MATLAB实现快跳频通信系统的仿真。主要应用了SIMULINK和COMMUNICATION BLOCKETS两个模块。整个设计包括了信源产生部分、发送部分、跳频调制部分、信道部分、接收部分和结果分析部分共六个模块，核心技术是伪随机序列的产生和频率合成器的设计，而关键技术是收发两端的伪随机码元的同步。伪随机码的产生用S－函数编程来开发自己的SIMULINK模块。同步的实现是收发两端采用相同的扩频脉冲触发。而且在设计中每个模块都采用了模块封装技术，从而简化了框图结构-Using MATLAB
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rf2401,c语言程序,
最高工作速率2Mbps,GFSK高效调制
125个频道满足多点通讯和跳频通讯需求-rf2401, c language program, the maximum operating speed of 2Mbps, GFSK modulation efficiency more than 125 channels to meet the needs of communication and frequency hopping communication
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F2812产生SPWM波。（CCS3.3开发环境下）EVA下的通用定时器T1工作于连续增/减计数模式，产生三角载波，载波频率为3000Hz，载波比N=60，因此调制波形正弦波的频率为50Hz。本实验中，调制度为0.8。-F2812 generating SPWM wave. EVA work under the general-purpose timer T1 in a row up/down counting mode, resulting in triangular carrier, the
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.FSK、PSK、ASK调制原理 在数字通信系统中，数字基带信号通常要经过数字调制后再传输。常见的调制方式有频移键控（FSK）、相移键控（PSK）、幅移键控（ASK）-. FSK, PSK, ASK modulation principle in digital communication systems, digital baseband signal is usually subject to digital modulation and then transmitted. Common m
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