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untitled5
- 用MATLAB实现载波信号与调制信号分析,DSB调制信号进行解调-In MATLAB carrier signal and modulated signal analysis, DSB modulated signal demodulation
am
- 该算法实现的是相位调制的功能,是载波的相位对其参考相位的偏离值随调制信号的瞬时值成比例变化的调制方式-The algorithm is a function of phase modulation, the carrier phase is the phase deviation from its reference value with the modulated signal proportional to the instantaneous value of changes in modu
SSB
- 用MATLAB编程实现SSB调制,并做出调制信号、载波信号、以及已调信号的波形图和频域图-MATLAB programming realize SSB modulation, and make modulation signal, carrier signal, and the signal waveform figure has and frequency domain figure
CommunicationSystem
- 使用QPSK调制方式的简单的通信系统,包含载波同步位同步等模块-a simple communication system, using QPSK modulation, including bit synchronization and carrier synchronization
NRF4432
- 配置了RF4432模块通过SPI方式。 1.配置RF4432主要包括载波频率、调制方式、数据发送速率、CRC校验、数据头、地址等。 2.进行了数据接收模式、发送模式的设置、以及数据包的接收和发送。-The configuration of the RF4432 module by means of SPI. 1 RF4432 configuration including carrier frequency, modulation mode, data transmis
BOC_PSD_ACF
- 程序给出了BOC信号的生成过程及其频谱、自相关函数图形。子程序包含GPS伪码、子载波的生成方法。对理解通过移位寄存器产生伪码的方法及BOC调制方式很有帮助。-The program gives the BOC signal generation process and its spectrum, the autocorrelation function graphics. Subroutine contains the GPS pseudo-code, sub-carrier generatio
The-SA4828--software-design
- 利用大规模专用集成电路SA4828 设计变频器,可以大大降低CPU 的资源占用,简化硬件电路和软件编程。通过对SA4828 进行初始化编程,可以方便地设定变频器的基本参数包括:载波频率、调制波频 率范围、死区时间、最小删除脉宽、看门狗时间常数、输出波形、频率、幅值、正反转控制等。实验表明,由SA4828 组成的变频器,电路简单,操作方便,运行稳定可靠。-Large-scale ASIC the SA4828 design inverter can greatly reduce the CPU
X_2ASK
- 通信系统中的调制信号之一,幅度调制以及加入到载波后的发端系统-Communication system of one of the modulated signal, amplitude modulation and join the carrier originated after system
X_2FSK
- 通信系统中调制信号之一,频率调制(频移键控)到载波的发端系统-One of the modulated signal communication system, frequency modulation (FSK) to the carrier start system
OFDM
- 4信道OFDM,子载波采用QAM调制 ,待传的信号与OFDM产生的信号之间的仿真图-4-channel OFDM sub-carrier QAM modulation between the signal and the OFDM signal to be preaching simulation Figure
05_SPWM
- SPWM EVA下面的通用定时器T1工作于连续增/减计数模式,产生三角载波,载波频率为3000Hz,载波比N=60,因此调制波形正弦波的频率为50Hz。本实验中,调制度为0.8。-2812-SPWM EVA the following general timer T1 work/down to count the prototype model, produce the triangle carrier, the carrier frequency for 3000 Hz, carrier th
msk-in-matlab
- 用MATLAB编写与仿真了MSK信号,其中结合了自己写的快速傅立叶变换实现了MSK信号的调制还有解调,而且作为拓展,还加入噪声、通过带通滤波器、低通滤波器、载波信号等等。调制解调都很有用,画出的图也很漂亮规范。-Using MATLAB and the simulation of the MSK signal, which combines the fast Fourier transform to write their own modulation there demodulation of
am-dsb
- AM、DSB 调制及解调 用matlab产生一个频率为1Hz,功率为1的余弦信源m(t),设载波频率ωc =10 Hz, m0 = 2 ,试画出:
OFDM-by-MATLAB
- 用MATLAB实现OFDM调制、解调,其中假设OFDM信号包含6个子载波,略去了交织、加窗等部分-Modulate and dimodulate of OFDM by Matlab
SPWM
- 内包含完整DSP2812产生三相SPWM波形完整工程,该工程利用EVA下面的通用定时器T1工作于连续增/减计数模式,产生三角载波,载波频率为3000Hz,调制波形正弦波的频率为50Hz。DSP开发者可以利用该工程学习了解到SPWM波形产生的原理,掌握产生三相SPWM波形的方法。-It contains the complete DSP2812 produce the complete works of the three-phase SPWM waveform, the project cont
2FSK
- 2FSK仿真演示系统,可以任意输入码字序列,和载波频率,动态产生调制波形。可以清楚的看到整个调制解调过程的时域及频域的波形。-Simulation demo system 2FSK, can enter the code word sequence, and the carrier frequency, modulation waveform is dynamically generated. Can clearly see the time domain and frequency domai
OFDMwithwindowing
- 基于MATLAB的OFDM系统仿真及分析(16QAM调制后星座图 OFDM载波幅度谱,相位谱,OFDM时域和频域分析 加窗后OFDM频谱分析 循环前缀对星座点的影响 )-ofdm
OFDM_MATLAB
- ofdm仿真程序 子载波数 128 位数/ 每符号 2 符号数/ 每载波 1000 训练符号数 0 循环前缀长度 8 (1/16)*T 调制方式 4-QAM 多径信道数 3 IFFT Size (点数) 128 信道最大时延 2 -OFDM simulation program, using QAM modulation
hundun
- 本代码演示了将一个由非线性映射所产生的混沌序列作为载波,将待发送的有用信号(数字信号)作为调制信号,对非线性映射的某一参数在其混沌区域内进行调制的过程。另外,还有logistic相关代码-This code demonstrates a chaotic sequence generated by the nonlinear mapping as a carrier, will be sent a useful signal (digital signal) as the modulation s
pic2codea
- 正弦波脉宽调制技术(SPWM)三相正弦调制波与双极性三角载波设计与实现-Sinusoidal pulse width modulation (SPWM) three-phase sinusoidal modulation wave bipolar triangular carrier Design and Implementation