搜索资源列表
oneuser2dcdma.rar
- 单用户多载波时频域联合cdma扩频的仿真，使用类编程。包含发送，信道，接收3个类。有联合扩频，调制，FFT变换，高斯信道和瑞利，解调，解扩，统计误码率等功能，减小仿真点数可使程序运行更快。,Single-user multi-carrier cdma joint time-frequency domain spread spectrum simulation, the use of programming. Send contain, channel, receiving three categ
FHSS_DSSS_CDMA.rar
- 直接序列扩频DSSS， 跳频扩频FHSS， 码分多址CDMA编译码， 的实现,the realization of Direct Sequence Spread Spectrum DSSS, frequency hopping spread spectrum FHSS, Code Division Multiple Access CDMA codec,
Barker-spread-Spectrum
- 基于Visual C++下的BPSK信号的调制和解调，中间有扩频部分-Based on Visual C++ signal under BPSK modulation and demodulation, spread-spectrum part of the middle
AWGN-Rayleigh-BPSK-DSSS.rar
- 程序仿真了关于扩频系统在两种信道下的误码率,Process simulation of the spread spectrum system in about two channel BER
2
- 2. 关于无线信道的多普勒谱，请回答以下问题： (1) 在某些无线信道中，多普勒频移会引起无线信道输出信号的混叠。请描述产生混叠的各种原因； (2) 无线信道中的多普勒谱有一种经典谱(classic spectrum)，请解释产生这种谱形状的机理； (3) 请用Simulink工具编写代码(S-Function方式)，产生一单径瑞利信道，其多普勒谱为经典谱，其中移动速率为120km/h。并请回答：证明自己用计算机产生的经典谱是正确的可能方法。 -On the wireless c
kuoping
- 扩频通信中的捕获问题，用GOLD码进行扩频， PN码相位捕获，利用捕获的相位，接收机产生偏移的GOLD码，进行解扩和误码率计算-Capture the problem in spread spectrum communication, spread spectrum codes with GOLD, PN code phase acquisition, the use of capture phase, the receiver generates offset GOLD code, for d
DSSS
- 设计一个有干扰的直接序列扩频通信系统， PN码由m序列产生器产生，经过高斯白噪声信道。在接收端接收到的信号包括“有用信号+高斯白噪声+干扰”，将接收信号进行解扩，判决，得到用户的信号检测结果，绘制不同的扩频增益（增益值为10，30，50）下，误比特率随信噪比Eb/N0的变化曲线。-Design of a direct sequence spread spectrum interference system, PN code generated by the m sequence generato
OFDM
- Matlab入门级OFDM仿真，包括每个步骤的波形，星座图，频谱等 含循环前后缀，时域加窗等，适合刚接触OFDM的学习 -Matlab entry-level OFDM simulation, including each step of the waveform, constellation diagram, spectrum including cycles before the suffix, such as time-domain windowing for OFDM new t
8
- 8单径瑞利信道中的四发四收V-BLAST： (1) 请设计一种具体的导引辅助的信道估计方法，用Simulink进行仿真，测量16QPSK调制时的误码率性能。画出比特信噪比与信道估计均方误差的关系曲线，画出比特信噪比与误码率的关系曲线。 (2) 计算所设计方案的频谱效率是多少，单位为bit/Hz/s。-8 Single-Path Rayleigh Channel Four received four V-BLAST: (1) Please design a specific guide-a
ds
- 直序扩频系统的matlab仿真，可以让读者清楚的了解扩频通信的概念以及波形效果-DSSS matlab simulation system that allows readers a clearer understanding of the concept of spread spectrum communication, as well as the effect of waveform
ofdm_signal
- This program generates OFDM (Orthogonal Frequency Division Multiplexing) signal and its spectrum. Also the guard interval (GI) is inserted. -This program generates OFDM (Orthogonal Frequency Division Multiplexing) signal and its spectrum. Also the
classic-spectrum
- Simulink产生一单径瑞利信道，其多普勒谱为经典谱，其中移动速率为120km/h。-Simulink produce one single-Path Rayleigh channel, the Doppler spectrum for the classical spectrum, one of the mobile rate of 120km/h.
SpreadSpectrumandCDMAPrinciplesandApplications
- Spread Spectrum and CDMA Principles and Applications 书籍和代码-Spread Spectrum and CDMA Principles and Applications book and code
DS_SpreadSpectrum
- 用Simulink搭建的直接序列扩频（DS-SS）系统仿真模型，仿真结果比较理想。-A simulation on DS-Spread Spectrum communication system based on Simulink toolbox.
qpsk
- 关于无线信道的多普勒谱 无线信道中的多普勒谱有一种经典谱请解释产生这种谱形状的机理；-1. On the radio channel of the Doppler spectrum (2) wireless channel Doppler spectrum has a classic spectrum (classic spectrum), please explain such a spectral shape of the mechanism
bfff
- 频谱感知 多用户合作 能量检测 伪随机序列-Cooperation in the spectrum of energy-aware multi-user detection
DSSS_enhanced_with_a_coarse_time_synchronization_
- The .m file simulates a Spread-Spectrum Modulation Trx/Rcx system, in which, the phase of the pseudo-random sequence generated in the transmitter and used to encode the data stream is unknown a priory at the receiver.A parallel search strategy is emp
ofdm_signal
- This program generates OFDM (Orthogonal Frequency Division Multiplexing) signal and its spectrum. Also the guard interval (GI) is inserted.
freq-hop-spread-spectrum
- 跳频扩谱通信matlab代码，实现跳频通信系统仿真。-Matlab code for frequency hopping spread spectrum communications, to achieve frequency hopping communication system simulation.
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