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simulink 使用simulink仿真科斯塔斯环
- 使用simulink仿真科斯塔斯环,串并变换,直接序列扩频技术-Costas loop simulation using simulink, string and transformation, direct sequence spread spectrum technology
无线信道信号的混叠
- (1) 在某些无线信道中,多普勒频移会引起无线信道输出信号的混叠。请描述产生混叠的各种原因; (2) 无线信道中的多普勒谱有一种经典谱(classic spectrum),请解释产生这种谱形状的机理; (3) 请用Simulink工具编写代码(S-Function方式),产生一单径瑞利信道,其多普勒谱为经典谱,其中移动速率为120km/h。并请回答:证明自己用计算机产生的经典谱是正确的可能方法。 ,(1) in certain wireless channel, the Doppler f
daimahekuangtu
- ,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
rayleigh
- 利用simulink的s-function方式仿真一个单径瑞利信道,其多普勒谱为经典谱-Simulink using the s-function simulation of a single-mode Rayleigh channel diameter, the Doppler spectrum for the classical spectrum
2
- 2. 关于无线信道的多普勒谱,请回答以下问题: (1) 在某些无线信道中,多普勒频移会引起无线信道输出信号的混叠。请描述产生混叠的各种原因; (2) 无线信道中的多普勒谱有一种经典谱(classic spectrum),请解释产生这种谱形状的机理; (3) 请用Simulink工具编写代码(S-Function方式),产生一单径瑞利信道,其多普勒谱为经典谱,其中移动速率为120km/h。并请回答:证明自己用计算机产生的经典谱是正确的可能方法。 -On the wireless c
1st
- Simulink工具编写代码(MATLAB Function方式),产生一单径瑞利信道,其多普勒谱为经典谱,其中移动速率为120km/h,含理论描述多普勒经典谱-Simulink tools for writing code (MATLAB Function mode) to produce a single path Rayleigh channel, the Doppler spectrum for the classical spectrum, where mobile speed of
8
- 8单径瑞利信道中的四发四收V-BLAST: (1) 请设计一种具体的导引辅助的信道估计方法,用Simulink进行仿真,测量16QPSK调制时的误码率性能。画出比特信噪比与信道估计均方误差的关系曲线,画出比特信噪比与误码率的关系曲线。 (2) 计算所设计方案的频谱效率是多少,单位为bit/Hz/s。-8 Single-Path Rayleigh Channel Four received four V-BLAST: (1) Please design a specific guide-a
mfsk
- 基于simulink的瑞利信道下MFSK调制解调系统 以8fsk为例 可以进行扩展 分析了调制的频谱图 眼图 星座图 及解调后的误码率-Based on simulink Rayleigh channel of the MFSK demodulation system including spectrum analysis and constellation chart and demodulation ber
cdma-matlab
- 用matlab程序模拟实现cdma系统的整个过程。包括并串、串并转换,m序列的产生,直接扩频、解扩,qpsk的调制解调,载波调制解调等。-Matlab simulation procedures used to achieve the whole process of cdma systems. Including and string SERDES, m sequence generation, direct spread spectrum, despreading, qpsk the mod
classic-spectrum
- Simulink产生一单径瑞利信道,其多普勒谱为经典谱,其中移动速率为120km/h。-Simulink produce one single-Path Rayleigh channel, the Doppler spectrum for the classical spectrum, one of the mobile rate of 120km/h.
Simulink_CDMA
- 本文利用Simulink平台,模拟了一个小区内十个用户的码元发送,扩频,接收,解扩,判决的CDMA通信基本过程。-In this paper, the use of Simulink platform, simulation of a community within the 10 million to send the user' s code, spread spectrum, receiving, despreading, the verdict of the basic proce
DS_SpreadSpectrum
- 用Simulink搭建的直接序列扩频(DS-SS)系统仿真模型,仿真结果比较理想。-A simulation on DS-Spread Spectrum communication system based on Simulink toolbox.
MeasuringHearingSensitivity
- It is a measuring hearing sensitivity in a GUI file of Matlab, this permit save 5 seconds of sound and get the modulate signal and spectrum, also have a graphic interface with Simulink...
Thedirectsequencespreadspectrumsimulation
- simulink 实现了直接序列扩频通信系统,含详细模型图-simulink realization of the direct sequence spread spectrum communications systems, including a detailed model
direct-sequence-spread-spectrum
- 带干扰的直接序列扩频通信系统,PN码由m序列产生器产生,经过高斯白噪声信道。在接收端接收到的信号包括“有用信号+高斯白噪声+干扰”,将接收信号进行解扩,判决,得到用户的信号检测结果,绘制不同的扩频增益(增益值为10,30,50)下,误比特率随信噪比Eb/N0的变化曲线。-the direct sequence spread spectrum with interference communication system
bpsk.simulink
- 本程序是一个关于基于二相制调制的扩频仿真程序,希望和大家交流一下。-This program is a spread spectrum modulation on bpsk-based simulation program, and we hope things about.
RS-Simulink
- 讲述了一种基于RS吗的软扩频通信及其simulink仿真-About you based on the soft RS simulink simulation of spread spectrum and its
simulink-spectrum-analysis-
- simulink中分析频谱的有效工具,可以分析连续,离散信号的频谱-simulink an effective tool in the analysis of the spectrum, can analyze the continuous, discrete signal spectrum
simulink-modern-signal-processing
- simulink 用于现代数字信号处理 ,和各种数字信号实时的谱分析-simulink used in modern digital signal processing, and various digital signal in real-time spectrum analysis
Simulink下的频谱分析方法及matlab的FFT编程
- 利用Matlab编程实现FFT实践及频谱分析(Realization of FFT Practice and Spectrum Analysis by Matlab Programming)