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8.9-ASK-of-VHDL
- ASK调制VHDL程序及仿真:基于VHDL硬件描述语言，对基带信号进行ASK振幅调制-ASK modulation and VHDL simulation: based on the VHDL hardware descr iption language ASK amplitude modulation, the baseband signal
HDB
- FPGA实现HDB3码的编码与译码 采用EDA工具中的Quartus II 8.1作为软件平台，实现HDB3码数字基带信号的编码和译码。-FPGA Implementation of the HDB3 code encoding and decoding using Quartus II 8.1 EDA tools as a software platform, achieve the encoding and decoding of the HDB3 code digital baseba
power-spectral-density
- 数字基带信号功率谱密度的计算，适合《通信原理》初学者-Digital baseband signal power spectral density calculated for Communication Theory beginners
16QAM_prj
- 16QAM数字基带信号系统仿真，包括发射机程序和接收端程序-16QAM digital baseband signal system simulation
FSKVHDL
- FSK调制VHDL源程序： --文件名：PL_FSK --功能：基于VHDL硬件描述语言，对基带信号进行FSK调制 -FSK modulation VHDL source code:- File name: PL_FSK- Function: Based on the VHDL hardware descr iption language, the baseband signal FSK modulation
SDR-sampling-theory
- 1. Matlab实现基带信号s(t)=cos(wt)的时域波形和频域结果 2. Matlab实现中频信号(基本载频+信号频率)的时域波形和频域结果 -1. Matlab baseband signal s (t) = cos (wt) time-domain waveform and frequency-domain results. Matlab intermediate frequency signal (the basic carrier frequency the+ signa
4FSK-demodulation-and-modulation
- 4FSK调制解调的matlab代码。采用相干解调的方式4FSK进行解调，与大多数方案的包络检波不同。基带信号用四种电平来表示，与调制信号相区分。-Demodulation matlab code 4FSK modulation. Coherent demodulation 4FSK demodulates Unlike most programs envelope detector,. The baseband signal is represented with four level dist
HDB3decoding
- 数字基带信号的传输是数字通信系统的重要组成部分。在数字通信中，有些场合可不经过载波调制和解调过程，而对基带信号进行直接传输。HDB3码的作用是对数字基带信号进行编码，便于在接收端对定时分量的提取。-Digital baseband signal transmission is an important part of digital communication system. In digital communication, some occasions without carrier mod
baseband-signal_ofdm
- 一个OFDM 基带信号，采用256点IFFT,子载波采用8PSK映射,加保护段，调制信号采用“削顶”方法降低PAPR,FIR 半带滤波，最后输出时域信号/频域响应。包含各级的视频域比较-An OFDM baseband signal, using the 256-point IFFT, the sub-carrier using 8PSK mapping, plus the protection section, the modulated signal " cut top"
memory_saleh_out
- 采用saleh模型对射频功率放大器进行基带信号建模，能够包含功放的记忆效应和非线性-Saleh model of the RF power amplifier for baseband signal modeling, which can contain the memory effect of the amplifier and nonlinear.
DDC_FPGA
- 基于FPGA的数字下变频器（DDC）的设计,将采样得到的高速率信号变成低速率基带信号，以便进行下一步的信号处理。由NCO、数字混频器、低通滤波器和抽取滤波器四个模块组成。采用自编的加法树乘法器，提高乘法运算效率。-Design based on FPGA digital downconverter (DDC), the high-speed signal will be sampled baseband signal into a low rate for the next step in th
dpskzuizuihou
- 本程序模拟了一个2DPSK发送和接受的完整过程，差分编码采用模2加的方式得到，本次实验采用的是相移键控的方法得到发送信号，2DPSK信号最常用的解调方法有两种，本次实验采用的是极性比较法，先通过2PSK相干解调器，再经过码（反）变换器得到基带信号。 -This program simulates a 2DPSK sending and receiving complete process, differential coding is completed by modulo-2 additi
dsss
- 扩频通信 dsss 基带信号与PN码异或成为扩频码-Spread spectrum communication DSSS baseband signal with a PN code isobutyl or become spread code
baseband-signal
- 通信原理中，基带信号产生与码型变换模块的汇编实现。-Communication principle, the baseband signal generating code conversion module assembly.
bpsk
- BPSK信号的仿真，包括随机信号产生、数字基带信号、已调信号、加噪声，解调等-BPSK signal simulation, including the random signal generator, a digital baseband signal, the modulated signal, plus noise, the demodulation
2PSK
- 在二进制数字调制中，当正弦载波的相位随二进制数字基带信号离散变化时，则产生二进制移相键控(2PSK)信号。 通常用已调信号载波的 0°和 180°分别表示二进制数字基带信号的 1 和 0，用matlab实现其功能。-In binary digital modulation, phase when the sine wave with the discrete binary digital baseband signal changes, then generates a binary phase
Digital-baseband-signal
- 数字信号的基带传输 PAM的功率谱密度 数字基带的接收 匹配滤波器 升余弦滚降系统 基带信号眼图-Digital baseband digital signal baseband transmission power spectral density of the PAM receiver matched filter raised cosine the system baseband signal eye diagram
yantu
- 本文件包括两个程序，分别实现的是眼图和部分相应系统的眼图，程序分别绘出了基带信号波形及信号眼图-This document consists of two programs, namely the realization of the eye and part of the eye diagram corresponding systems, procedures were plotted baseband signal waveform and signal eye diagram
daima
- 数字基带信号的调制与解调的matlab程序-matlab of the
shuzi
- 数字基带信号的源代码m文件,调制与解调，处理-matlab of the