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DRM(Digital Radio Mondiale)系统采用OFDM调制方式， 引入了先进的信源信道编码和调制技术，使得AM波段的音频广播质量大大提高，在保持现有10kHz带宽时接近了FM广播的质量[5]-DRM (Digital Radio Mondiale) system uses OFDM modulation, the introduction of advanced source-channel coding and modulation techniques, making AM-
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Code for the digital modulation FCN
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数字通信中的FSK调制解调的原理和过程, 通过用Matlab 对这一过程的编程,分析信号在理想信道和加噪信道中传输时的时域图, 并用蒙特卡罗算法进行仿真。-Digital communications in FSK modulation and demodulation principle and process, through the use of Matlab in the process of programming, analysis of signals in the ideal c
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1、 数字信号调制与解调的原理和基本方式
2、 基于simulink的数字信号调制与解调的仿真
3、 MATLAB中GUI图形界面设计及M文件编程
4、 基于MATLAB的数字调制与解调演示系统的生成
-1, digital signal modulation and demodulation principle and basic method 2, based on simulink digital signal modulation and demodulation of
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简单的数字传输系统---主要是对16-QAM数字基带传输系统进行仿真，基带调制和解调的输出信号都是复数信号。-Simple digital transmission system--- mainly simulate the 16-QAM digital baseband transmission system, the output signals of the baseband modulation and demodulation are complex signals.
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频率合成器加数字调制芯片ADF7012的应用
CRC校验C程序
扩展I/O口芯片HC595程序
-Frequency synthesizer chip ADF7012 add digital modulation CRC checksum C of the application process is extended I/O port chip HC595 procedures
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AD9854允许输出的信号频率高达150MHZ，而数字调制输出频率可达100MHZ。通过内部高速比较器正弦波转换为方波输出，可用作方便的时钟发生器。-AD9854 allows the output signal frequency up to 150MHZ, and digital modulation output frequency up to 100MHZ. Through an internal high-speed comparator is converted to square
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OFDM digital modulation for wireless communications systems. multilevel quadrature modulation with constellation with m symbol
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qpsk2仿真代码 正交相移键控，是一种数字调制方式。-simulation code qpsk2 quadrature phase-shift keying is a digital modulation methods.
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数字通信中的数字调制方式之BPSK（二进制相移键控）调制和解调的m语言，-Digital communication in the modulation of the number of BPSK (binary phase shift keying), m language
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OFDM是一种新型的调制方式，称为正交频分复用。阐述了OFDM的原理、系统组成和
优良性质及其在数字电视传输和混合光纤电缆网(HF，C)中的应用。
-OFDM is a new type of modulation is called orthogonal frequency division multiplexing. OFDM on the principles of good composition and the nature of the system and its appl
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Digital communication modulation types inclded in this package. I hope it will be useful for your use.
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语音编码为信源编码，是将模拟信号转变为数字信号，然后在信道中传输。在数字移动通信中，语音编码技术具有相当关键的作用，高质量低速率的话音编码技术与高效率数字调制技术相结合，可以为数字移动网提供高于模拟移动网的系统容量。目前，国际上语音编码技术的研究方向有两个：降低话音编码速率和提高话音质。-Speech coding for source coding is the analog signal into a digital signal, and then in the channel trans
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mfsk数字调制的差错可能性比较，MATLAB实现-digital modulation mfsk possibility of errors, MATLAB to achieve
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Digital Modulation Techniques are those echniques through which we convert digital signals into analog signal which can be transmitted through transmission medium...this program demostrate some of the basics techniques
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This Simulink model simulates as an example the transmission and reception of random digital data modulated with GMSK. The purpose of this model is to illustrate how part of the GSM transmission and reception works. It also measures the BER, affected
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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
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system view 实例模型包含数字调制QPSK,QAM.RICE衰落信道的仿真 数字频率合成器 线性移位寄存器 -system view instance of the model consists of digital modulation QPSK, QAM.RICE fading channel simulation of digital frequency synthesizer linear shift register, etc.
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用vhdl硬件语言实现数字调制系统基带码发生器-Vhdl language used hardware-based digital modulation system with code generator
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该程序内容是qpsk数字调制还包括一些其过程的子程序和大家交流一下-The program content is digital modulation qpsk also include a number of the subroutine and the process to facilitate the exchange of about
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