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A simulink simulation model : 4 level frequency shift keying modulation and demodulation simulation.
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Freescale MCU 带CAN通讯 MC9S08DZ16 初始化，包刮各端口及总线频率调置。用8MHz晶体谐振器获得16MHz总线频率。-Freescale MCU with CAN communication MC9S08DZ16 initialization, including scraping the port and bus frequency modulation home. 8MHz crystal resonator used to obtain the frequency
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本文结合L FM 信号脉冲压缩及旁瓣抑制,利用
GUIDE 制作线性调频信号脉冲压缩模块的图形用户界面,使利用此界面可以通过对雷达脉压模块输入参数的修改,对仿真结果给出图形显示和结果分析,界面友好,具有开放性,方便实用和完善及扩充其功能。-This article unifies L the FM signal pulse compression and side-lobe cancellation, uses the GUIDE manufacture linear frequency m
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单工无线呼叫系统分发射和接收两大部分。发射部分采用锁相环式频率合成器技术， MC145152和MC12022芯片组成锁相环，将载波频率精确锁定在35MHz，输出载波的稳定度达到4×10-5，准确度达到3×10-5，由变容二极管V149和集成压控振荡器芯片MC1648实现对载波的调频调制；末级功放选用三极管2SC1970，使其工作在丙类放大状态，提高了放大器的效率，输出功率达到设计要求。接收部分以超大规模AM/FM立体声收音集成芯片CXA1238S为主体，灵敏度、镜像抑制、信噪比等各项性能指标均达
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基于DDS的调频调相 通过改变频率控制字来控制 程序编译过 搭过硬件 可以实现-FM Based on DDS phase modulation by changing the frequency control word to control the program compiled the hardware can be achieved take-off
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Abstract—In this paper we present an initial performance
evaluation of the 3GPP UTRA Long Term Evolution (UTRA
LTE) uplink with baseline settings. The performance results
are obtained from a detailed UTRA LTE uplink link level
simulator suppo
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一、 本程序采用16QAM调制方式，对一串2进制信源进行调制，用升余弦滚降函数进行基带调制，再调到高频信道；在信道上加入高斯白噪声，运用匹配滤波器解调，画出解调星座图，运用最小欧氏距离译码判决，计算误比特率。-First, this program uses 16QAM modulation mode, for a string of two binary source is modulated with a raised cosine roll-off function for base-ba
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用于进行频率调制基于MATLAB 环境下的程序-frequency FSK modulation
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蓝牙技术，功能，协议，调频，纠错，微微网等简介。-Bluetooth technology, functionality, protocols, frequency modulation, error correction, pico-nets profile.
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Bluetooth modulation and frequency hopping
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灵巧噪声干扰,可针对脉冲压缩雷达和PD雷达,具体干扰样式有:三角波调频干扰信号 锯齿波调频干扰信号 马鞍型噪声干扰信号 噪声调相干扰信号 噪声调频干扰信号.-Smart noise interference may be directed to pulse compression radar and PD radar, specifically jamming style are: triangle-wave frequency modulation interference signal s
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数字通信系统振幅键控ASK信号和频移键控FSK的调制与解调的VHDL代码-ASK amplitude shift keying digital communication system signal and the frequency shift keying modulation and demodulation of the VHDL code for
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A simple FSK (frequency shift keying) modulation implementation in MATLAB
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Descr iption The WCDMA Physical Layer Demo consists of an end-to-end (transmitter-to-receiver) simulation of the Frequency Division Duplex (FDD) Downlink physical layer for several Dedicated Channels (DCH) as specified by the 3GPP standard (Release 9
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BPSK Bit error Rate of Orthogonal frequency modulation system
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数字频率调制又称频移键控（FSK），二进制频移键控记作2FSK。数字频移键控是用载波的频率来传送数字消息，即用所传送的数字消息控制载波的频率。2FSK信号便是符号“1”对应于载频，而符号“0”对应于载频（与不同的另一载频）的已调波形，而且与之间的改变是瞬间完成的。 -Digital frequency modulation called frequency shift keying (FSK), binary frequency shift keying recorded as 2FSK. Di
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OFDM —— OFDM(Orthogonal Frequency Division Multiplexing)即正交频分复用技术，实际上OFDM是MCM Multi-CarrierModulation，多载波调制的一种。其主要思想是：将信道分成若干正交子信道，将高速数据信号转换成并行的低速子数据流，调制到在每个子信道上进行传输。此程序为ofdm仿真程序！-OFDM- OFDM (Orthogonal Frequency Division Multiplexing) that is ortho
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在matlab环境下的简单调频过程的实现-frequency modulation
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数字通信系统的仿真，包括调制解调，上下变频，加入了高斯白噪声，并且每个步骤都生成相应的图形-Digital communication system simulation, including the modulation and demodulation, the upper and lower frequency, by adding Gaussian white noise, and each step generates the appropriate graphics
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正交频分复用的调制的实现代码，调制只用一种方式-Orthogonal frequency division multiplexing modulation implementation of the code modulation only way to
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