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CO-OFDM 传输系统调制方式分析
- CO-OFDM 传输系统调制方式分析
CO-OFDM 传输系统调制方式分析
- CO-OFDM 传输系统调制方式分析
work121
- 本程序实现产生几种调制方式的眼图并且对其进行比较-the program have several modulation eye diagram and its comparison
DigitaCommunicationsPrinciples
- 本文件中包含了很多在通信基本原理中常用的源程序,像各种调制方式,交织方式,编码方式都有很详尽的源程序。非常经典!-this document contains many of the basic principles of communication common source, like various modulation, intertwined, encoding great detail of the source. Very
mod%26demod
- 根据输入的调制方式,对输入序列MOD_IN进行调制,分别采用BPSK, QPSK, !6QAM, 64QAM,完成对星座图的映射-According to the modulation input, the input sequence MOD_IN modulation, using BPSK. QPSK,! 6QAM, 64QAM, the completion of the mapping constellation
Y847565
- 提高卫星通信信道传输效率的新途径本 文 结 合 V SAT卫星通信系统设计中涉及卫星通信传输技术极为重要的 信道编码与调制解调方式,探讨了各种新型的卫星信道编码与调制解调技术, 它们的原理及在卫星通信中的应用。在数字调制中,信号传输质量主要取决于 比特差错率BER (Bit Error Rate),因此要尽可能采用相同的每比特信号能量与 噪声功率谱密度比(Eb/N.)的条件下,BER低的调制方式,以节省卫星功率 另
FSKQAMPSK
- PAM QAM PSK调制方式的MATLAB程序.,同时可以对三种调制方式进行具体比较-PAM QAM PSK modulation modes of MATLAB program. , the same time on three specific modulation comparison
modulation
- 其中给出了多种调制方式的调制及解调程序,对初学者有一定帮助。-Which gives a wide range of modulation of the modulation and demodulation process, has a certain extent, help for beginners.
QPSK
- QPSK是通信信道中一种很好的调制方式,对于其性能参数进行了仿真,信道以及噪声选择可以根据代码自由改动。对学习无线编码很有用处。-QPSK is a good communication channel modulation, the performance parameters for the simulation, channel and noise free choice can be altered according to t
ip_05_05
- 在不同信噪比条件下,对于不同调制方式所产生的误码率曲线!-Signal to noise ratio in different conditions, for different modulation generated BER curves!
mod_demod
- 通用调制解调程序,主要包括BPSK, QPSK, 64QAM, 64QAM等常用调制方式。-Generic modem program, including BPSK, QPSK, 64QAM, 64QAM modulation, such as commonly used.
demod
- 根据输入的调制方式,对输入序列MOD_IN进行调制,分别采用BPSK, QPSK, !6QAM, 64QAM,完成对星座图的映射,输出为Y.转化的方法为:先写出十进制情况下从0 到N-1-According to the modulation input of the input sequence MOD_IN modulation, respectively, using BPSK, QPSK,! 6QAM, 64QAM, compl
MQAM-modulation-demodulation
- 产生一段随机四进制信号,对其进行QAM调制后,送入加性高斯白噪声信道传输,用加法运算在已调信号叠加白噪声,模拟加性高斯白噪声信道对信号传输的影响,在接收端对信号进行相应解调,并与原始信号比较计算误码率。改变误差白噪声的功率,绘制信噪比与误码率曲线。并与同组其他同学的性能曲线比较各种调制方式的性能优劣。-For some randomly generated four-band signal, after its QAM modulati
ofdmreileigh
- 包括各种调制方式的比较,在加性噪声下以及在多径下的仿真,包括各种函数的代码(编码,调制,译码,解调,等一系列完整的函数)-Include a variety of modulation methods of comparison, in the additive noise as well as in multi-path simulation, including the various function codes (coding,
QPSK-Rayleigh_channel
- QPSK通过瑞利信道的MATLAB仿真,Alamouti空时码在不同调制方式下的性能仿真-QPSK Rayleigh channel through MATLAB simulation
qam
- 一、 本程序采用16QAM调制方式,对一串2进制信源进行调制,用升余弦滚降函数进行基带调制,再调到高频信道;在信道上加入高斯白噪声,运用匹配滤波器解调,画出解调星座图,运用最小欧氏距离译码判决,计算误比特率。-First, this program uses 16QAM modulation mode, for a string of two binary source is modulated with a raised cosine
tiaozhifangshidezidongshibie
- 数字信号处理中的调制方式的自动识别的MATLAB程序-Digital signal processing modulation of the automatic recognition of the MATLAB program
ofdm-cdm
- 本文给出了OFDM-CDM系统在不同的调制方式及编码方式以及未知干扰环境下的性能,内有完整的源码-the performances of OFDM-CDM system under different modulations and codes
xiaocai_modulation
- 无线通信高斯白噪声信道各类调制方式,并且有星座图、调制曲线分析。-Wireless communications Gaussian white noise channel types of modulation methods, and has constellation, modulation curve analysis.
卫星通信中数字调相信号调制方式识别方法研究
- 针对数字卫星常用的 7 种通信信号调制方式(QPSK、8PSK、16QAM、32QAM、64QAM、16APSK、32APSK),对零中心归一化瞬时幅度谱密度最大值、四次方谱、幅度、高阶累积量四种特征参数进行了分析,提出了一种联合特征参数的信号调制识别方法.(Aiming at seven communication signal modulation modes commonly used in digital satellite (