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BPSK调制仿真
bpsk调制仿真,可直接用
1、数字调制方法
数字调制就是把数字基带信号的频谱搬移到高频处,形成适合在信道中传输的带通信号。基本的数字调制方式有振幅键控(ASK)、频移键控(FSK)、绝对相移键控(PSK)、相对(差分)相移键控(DPSK)。在接收端可以采用想干解调或非相干解调还原数字基带信号。
数字信号的传输方式分为基带传输和带通传输。然而,实际中的大多数信道(如)无线信道具有丰富的低频分量。为了使数字信号在带通信道中传输,必须用数字基带信号对载波进行调制,以使信号与信道的特性相匹配。(1, digital modulation method
Digital modulation is the transfer of the spectrum of a digital baseband signal to a high frequency to form a bandpass signal suitable for transmission in the channel. The basic digital modulation methods are amplitude keying (ASK), frequency shift keying (FSK), absolute phase shift keying (PSK), and relative (differential) phase shift keying (DPSK). At the receiving end, the digital baseband signal can be restored by using dry demodulation or non-coherent demodulation.
Digital signal transmission methods are divided into baseband transmission and bandpass transmission. However, most channels in practice, such as wireless channels, have rich low frequency components. In order for a digital signal to be transmitted in a band channel, the carrier must be modulated with a digital baseband signal to match the signal to the characteristics of the channel.)
- 2019-05-28 10:46:01下载
- 积分:1
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modbus
说明: 在LabVIEW中Modbus应用编程实例(Modbus library usage)
- 2020-05-26 15:40:55下载
- 积分:1
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cnn-master
说明: 卷积神经网络,可以很好的实现文本分类或者图像识别(Convolutional Neural Networks)
- 2020-03-06 19:49:44下载
- 积分:1
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ofdm-modulation
该文档为一个实现ofdm子载波调制和解调的代码,利用QPSK和16QAM两种方式实现,并附有运行结果。(This document is an implementation of ofdm subcarrier modulation and demodulation of the code, the use of QPSK and 16QAM two ways, along with operating results.)
- 2020-07-02 07:00:01下载
- 积分:1
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am,pam等信号
详细分类介绍了AM,BPSK,BFSK,PAM信号的循环谱与循环自相关函数的生产,具有可操作性。(The production of cyclic spectrum and cyclic autocorrelation function of AM, BPSK, BFSK and PAM signals is introduced in detail, and it is operable.)
- 2018-05-03 09:06:27下载
- 积分:1
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labs-lan-4
network and other tehnologies. lan arhitecture
- 2012-11-13 09:27:50下载
- 积分:1
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基于MATLAB的IIR数字滤波器的设计与仿真分析_刘兴
数字信号处理,利用matlab语言仿真,对信号进行滤波。(Digital signal processing, using MATLAB language simulation to filter the signal)
- 2019-04-12 20:59:30下载
- 积分:1
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Verilog超详细教程-北京大学于敦山
说明: 一个简单的verlog HDL教程,内容比较详细,可读性较高。(A simple verlog HDL tutorial, more detailed content, high readability.)
- 2019-04-19 09:04:11下载
- 积分:1
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three-basic-collaborativ
AF,DF,CC,三种基本协作方式仿真程序(Simulation of three basic collaborative approach)
- 2011-07-05 21:05:50下载
- 积分:1
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C++面向对象编程
这几章PPT讲述了C++面向对象编程思想的基本知识,最后用VC++举了一个例子(PPT these chapters on the basic knowledge of C ++ object-oriented programming ideas, and finally VC + cited an example)
- 2017-12-20 18:49:48下载
- 积分:1