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miler
- 该程序可以实现数字基带码型米勒码型的仿真，给定0，1代码，仿真的图形清晰可见-The program can achieve digital baseband Miller Pattern Pattern of simulation, given 0,1 code, clearly visible graphical simulation
x
- 此程序用于对数字基带码型的NRZ码等进行的仿真，得到他们的功率谱密度曲线-This procedure used for digital baseband NRZ code-based simulation code, etc., to get their power spectral density curve
DigitalbasebandtransmissionsystemimplementationMAT
- 数字基带传输系统的MATLAB仿真实现 function [sampl,re_sampl]=system_1(A,F,P,D,snr,m,N) 输入变量A ,F,P分别为输入信号的幅度、频率和相位，D为量化电平数，snr 为信道信噪比，N为D/A转换时的内插点数；输出变量sampl为抽样后的输入 信号，re_sampl为恢复出的输入信号。 数字基带传输系统的MATLAB仿真实现 [sampl,quant,pcm]=a_d_1(A,F,P,D) [change
basebandPAM
- BASEBAND PAM MODULATION
raw
- GPS信号的基带处理在IEEE发表的文章有关信号捕获和跟踪-GPS baseband signal of the article published in the IEEE capture and tracking of the signal
chengkong
- 程控 PCM基带信号 传输 系统.rar-Programmable baseband PCM signal transmission system. Rar
CDdata2
- Divides the range swath (range cells) of this block into Nspect sections and finds the average power spectrum for each segment. Fits a parabola to the baseband Doppler centroid vs. range This fit is most useful if the whole range swath
qpsk_kprm
- qpsk调制和扩频扰码是无线通信中，基带信号处理很重要的步骤，本程序主要针对td-scdma系统的基带处理-qpsk scrambling code modulation and spread spectrum wireless communication, the baseband signal processing is an important step, the process aimed at td-scdma system baseband processor
wddc_module
- 数字下变频的Verilog程序，测试可以直接使用，将A/D信号下变频为基带I，Q两路信号-Digital down conversion of the Verilog program, testing can be used directly to A/D signal down-conversion to baseband I, Q signals two
HDB3encoder
- 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。采用AMI码的信号交替反转，有可能出现四连零现象，这不利于接收端的定时信号提取。而HDB3码因其无直流成份、低频成份少和连0个数最多不超过三个等特点，而对定时信号的恢复十分有利，并已成为CCITT协会推荐使用的基带传输码型之一。为此，本文利用VHDL语言对数据传输系统中的HDB3编码器进行了设计。-Digital baseband signal transmission i
miller
- 使用VHDL实现基带码中密勒码的编解码，并加以验证确认编解码无误-The use of VHDL code in the realization of the baseband codec Miller code, and verify the correct codec to confirm
MPSKTransmissonwithGausNoise
- 本程序用于完成BPSK、QPSK、8PSK的调制仿真。并可任意扩展到MPSK和MQAM。程序分成三个部分：phase.m对基带码元序列进行脉冲成型，可选矩形脉冲，升余弦脉冲和平方根升余弦脉冲； model.m 为主程序，完成各种信号的基带星座图映射、脉冲成型和调制； command.m给出一个简单的频谱显示测试。-This procedure for the completion of BPSK, QPSK, 8PSK modulation simulation. Arbitrary and m
CDMA-2USER
- 二用户CDMA系统，信道为加性高斯信道，使用BPSK调制，15位M序列扩频，可以正确解扩解调。 输出为2用户的基带信号、扩频信号、PSK调制信号、解调信号的时域和频域特性，给出两个用户分别的误码率。 -Second, the user CDMA system, channel for the additive Gaussian channel, using BPSK modulation, 15 M Sequence Spread Spectrum, you can correct demo
uart
- uart.rar: 串口测试程序，支持通过串口进行gsm baseband at命令的测试，即是uart操作的范例也是 at command测试程序-uart and at command test code
test_full
- 分别用中心极限定理和Box-Muller方法产生高斯噪声，用于二进制双极性基带通信系统仿真，比较其仿真运行时间及结果，并简单分析其原因-Central limit theorem, respectively, and Box-Muller methods Gaussian noise for bipolar binary baseband communication system simulation, compared to running time and the results of si
MIL_STD_188_100B_Simulink_Demo
- This application example implements an end-to-end baseband communications system compliant to the US MIL_STD_188_110B intended for long-haul and tactical communications.This model supports four different data rates: 1200bps, 600bps, 300bps and 150bps
OFDM_simulation
- OFDM simulation. It contains the transmission reception scenario. Mainly it evaluates the BER performance under an AWGN channel.In addition it generates the I and Q branch of the the baseband signal and the spectrum as well.
QPSK_chain
- Simulation of a baseband QPSK mod/demod: TX : a pseudo random bit stream generation, Serial to parallel conversion, QPSK Mapping (Gray coding), Signal power computation Channel : AWGN channel RX: Soft Demapping / Hard Demapping, Plot constellat
pcm
- 在光纤通信系统中，光纤中传输的是二进制光脉冲"0"码和"1"码，它由二进制数字信号对光源进行通断调制而产生。而数字信号是对连续变化的模拟信号进行抽样、量化和编码产生的，称为PCM（pulse code modulation），即脉冲编码调制。这种电的数字信号称为数字基带信号，由PCM电端机产生。-In optical fiber communication systems, fiber-optic transmission of light pulses is a binary "