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ofdm1
- 由MATLAB程序产生2Gbi/s的基带OFDM信号先将2^15-1个伪随机序列映射到256个进行4QAM编码调制的子载波上，编码后的OFDM符号再经过IFFT变换将其转换为时域波形，接着添加6.4ns的循环前缀（CP），产生的数据波形再装载到Tektronix任意波形发生器（AWG）中，产生2Gbit/s的基带OFDM信号。基带OFDM信号频谱示意图如图3所示。其中包括256个OFDM子载波256个子载波中200个子信道用来传送数据信号，27个高频和28个低频子信道为了过采样的需要置0，OFD
GMSK
- 采用Matlab实现GMSK的正交调制与解调，要求画出基带调制信号及GMSK信号的波形-Achieved using Matlab quadrature GMSK modulation and demodulation, asked to draw GMSK baseband modulation signal and the signal waveform
jidaibianma
- 学通信原理的时候自己写的 HDB3，AMI基带码和均衡的例子-Communication theory when learning to write their own HDB3, AMI-based and balanced with code examples
PAPR-in-OFDM
- 基于语音保留的剪裁引导噪声和复杂的基带活性集的性能分析，降低OFDM系统中的平均峰均功率比。-Performance Analysis of Clipping Noise Guided and Complex Base-Band Active-Set methods Based on Tone Reservation for PAPR Reduction in OFDM Systems
Spread-spectrum-communication
- 介绍了扩频通信的相关知识，还有扩频通信数字基带通信基础，有参考价值-Describes the spread-spectrum communications-related knowledge, as well as spread spectrum communication digital baseband communications infrastructure, a reference value
Graduation
- 33个毕业设计——单片机类，包含OFDM通信系统基带数据、电动智能小车、仓库温湿度的监测系统、USB接口设计、全遥控数字音量控制的D 类功率放大器等-33 Graduation- SCM class, including OFDM baseband data communication systems, electric smart car, storage temperature and humidity monitoring system, USB interface design, ful
back-back_spectrum
- 背对背基带OFDM编解码（16QAM)完整程序-back to back baseband OFDM (16QAM) code and decode
jidairuanjbianmaqi
- 用VC++开放的基带软件编码器的设计，里面是课程设计的全部材料，包括原代码。-With VC++ open baseband software encoder design, which is the curriculum design of all materials, including source code.
DFT_channealestimation
- 很基础的基于DFT方法的信道估计代码，对于无线通信基带类有很好的参考价值- Code of DFT-based channel estimation method, refering to wireless communications baseband algorithm
tongxingongchengkechengsheji
- 通信原理设计报告，基带数据发送终端及通信系统，，程序接受计算机发出的指令，解析后回传数据包。-Communication Theory Design Report, baseband data transmission terminal and communications systems, and procedures issued by the receiving computer instruction, after the return packet parsing.
sheji
- 基带信号发生器，能产生正弦波，ASK,PSK,FSK信号-Baseband signal generator, can produce sine, ASK, PSK, FSK signal
bit-sychronization
- 全数字锁相环实现位同步，通过3个触发器实现码元的边沿提取。基带码采用M序列仿真。-DPLL to achieve bit synchronization, achieved through three trigger symbol of the edge extraction. Baseband codes using M-sequence simulation.
sig_bandpass
- 实现带通信号经过带通系统后的结果与其等效的基带信号经过等效的基带系统的结果比较 -With communication, realize through bandpass system with the results of equivalent baseband signal after the results of the system of baseband equivalent comparison
FSK
- 8FSK基带调制解调系统实现（MATLAB）-8FSK baseband modem system implementation (MATLAB)
simulation-sys-on-communication
- 本设计通过利用VB 编写用户操作界面和MATLAB 实现后台运算及图形处理的混合编 程的方法，来完成对通信原理仿真系统的开发。设计中采用ActiveX 技术来实现VB 和MATLAB 之间的通信，在VB 应用程序内创建MATLAB ActiveX 对象，实现对MATLAB 的调用，最终 仿真实现信源编码解码、模拟调制解调、数字基带传输、数字调制解调等功能。-This design user interface written using VB and MATLAB computing and g
8.13-MFSK-debug-VHDL-program
- 基于VHDL硬件描述语言，对基带信号进行MASK调制-VHDL hardware descr iption language based on the modulated baseband signal MASK
8.11-PSK-debug-VHDL-program
- 基于VHDL硬件描述语言，对基带信号进行pSK调制-VHDL hardware descr iption language based on the modulated baseband signal pSK
8.9-ASK-debug-VHDL-program
- 基于VHDL硬件描述语言，对基带信号进行ASK调制-VHDL hardware descr iption language based on ASK modulation baseband signal
QPSK
- 实现了PCM编码->基带码型转换（NRZ to HDB3）->QPSK调制->高斯信道->QPSK解调->基带码型反转换（HDB3 to NRZ）->PCM解码。同时给出了误码率曲线。-Achieve a PCM coding-> Baseband code converter (NRZ to HDB3)-> QPSK Modulation-> Gaussian channel-> QPSK demodulator-> anti-
Communication-theory-design
- 数字基带通信系统的设计，实现了AMI、HDB3、和CMI码的变换和反变换。包含了PCM编解码的部分。-Digital baseband communication system design, implementation of AMI, HDB3, and CMI code transform and inverse transform. Contains part of the PCM codec.