搜索资源列表
-
0下载：
用matlab对基带数字系统进行仿真。整个系统描述了信号的发送和调制过程。其中调制采用16QAM，并且采用基带传输，不必调制到载频上。系统总采用了高斯信道，在接受端采用解调并与发送型号进行比较得到误码率。-Using matlab to base-band digital system simulation. Describes the overall system signal to send and modulation process. Which modulation using 16Q
-
-
0下载：
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
-
-
0下载：
a matlab code for 64 QAM digital modulation
-
-
0下载：
设计了差分编码移相键控(2DPSK)调制解调系统的工作流程图,并利用 Matlab 软件对该系统的动态进行了模拟仿真。利用仿真的结果,从基带信号的波形图可以衡量数字信号的传输质量 由系统的输入和输出波形图可以看出,仿真实验良好 。-Design of a differential phase shift keying encoding (2DPSK) modulation and demodulation system working flow chart of the system using
-
-
0下载：
为了使数字信号在有限带宽的高频信道中传输，必须对数字信号进行载波调制。就频带利用率和抗噪声性能（或功率利用率）两个方面来看， QPSK系统最佳。QPSK是利用载波的四种不同相位差来表征输入的数字信息，是四进制移相键控（QPSK）。本项目用MATLAB软件对四进制移相键控信号在AWQN信道中传输进行了建模和仿真，通过对仿真得到的误码率和理论误码率进行比较和分析，从而证明了MATLAB软件仿真QPSK调制解调的可行性。-In order to make the digital signal in t
-
-
0下载：
To study the digital modulation techniques such as on-off keying (OOK), amplitude shift keying (ASK),frequency shift keying (FSK), binary phase shift keying (BPSK) and phase shift keying (PSK) pass band modulation and demodulation using MATLAB Simuli
-
-
1下载：
正交频分复用（OFDM）是一种通过快速傅里叶变换实现的多载波宽带数字调制技术。相比一般的数字通信系统。它具有频带利用率高和抗多径干扰能力强等优点，因而适合于高速率的无线通信系统。正交频分复用 OFDM 是第四代移动通信的核心技术。论文首先简要介绍了OFDM基本原理。在给出OFDM系统模型的基础上,用MATLAB语言实现了整个系统的计算机仿真并给出参考设计程序。-Orthogonal frequency division multiplexing (OFDM) is a fast Fourier
-
-
0下载：
As the digital communications industry continues to grow and evolve, the applications of this discipline continue to grow as well. This growth, in turn, has spawned an increasing need to seek automated methods of classifying digital modulation types.
-
-
0下载：
Digital Modulation over Fading using matlab
-
-
0下载：
The digital simulation system using MATLAB to illustrate the
Quadrature Amplitude Modulation (QAM). QAM is a modulation scheme to convey two digital bit
streams which can be converted to symbol signals by modulating the amplitudes and the phase of
-
-
0下载：
单、双极性归零码仿真;
AMI码和HDB3码仿真;
采用2DPSK调制的数字通信系统(Single and double polarity return zero code simulation;
AMI code and HDB3 code simulation;
Digital communication system using 2DPSK modulation)
-
