搜索资源列表
QPSKkuopin
- 一个我自己基于simulink的qpsk扩频调制，可以比较全面的了解qpsk的扩频调制系统的组成。-One of my own based on spread spectrum modulation qpsk simulink can qpsk more comprehensive understanding of the composition of the spread spectrum modulation system.
CDMA-SYSTEM
- CDMA系统仿真 扩频调制级解扩 实现码分多址-CDMA spread spectrum modulation level system simulation realize CDMA despreading
matlab_code
- M和m序列发生器，用于扩频通信中产生长度为2^N和2^N-1的伪随机码。同时还有产生bpsk调制的扩频调制和解调系统仿真，以及gold码的mat文件。-M and m sequence generator.Used for spread spectrum communication to generate the spread code.As well as bpsk spread spectrum system communication simulation.
koupintiaozhi
- 该程序是基于matlab/simulink下的扩频调制仿真通过采用PN码来调制信号，实现扩频调制- The program is spread spectrum modulation simulation matlab/simulink based under PN code through the use of modulated signals, spread spectrum modulation
DS_CDMA-Channel-Estimation
- DS_CDMA通信系统信道估计，采用的基于导频的LS算法，还包括扩频调制、解扩等基本CDMA系统程序。-DS_CDMA communication systems channel estimation, the LS algorithm based on pilot, including spread spectrum modulation and algorithm to CDMA system program.
WIRELESS
- 该文在大量测试实验和理论分析的基础上，研究电磁波在楼内公共烟道的传输问题，分析公共烟道环境的特殊性以及影响电磁波传输损耗的因素。提出一种适用于楼宇集中净化物联网系统的基于SX1278的无线传输方案。该方案采用直接序列扩频调制来提高系统的抗干扰性能，采用截断二进制指数退避算法作为重传机制来解决节点信号冲突碰撞问题。通过在基站端采用时间片轮转调度，来保证计数的同步性和实时性。集成测试和实地测试结果表明，该方案很好地解决了烟道内无线信号的稳定传输问题，且丢包率和误码率较低，系统可靠性好。-On the
WCDMA
- wcdma信号仿真，生成四路信号并扩频调制，采用CQPSK调制方式。-WCDMA signal simulation, generating four signals, spread spectrum modulation using CQPSK modulation.
OFDM_D_N
- OFDM在多普勒信道下的仿真，包括扩频调制、上变频、升采样等-OFDM in the Doppler channel simulation, the module is full
DSSS_BPSK_7bit
- 产生生周期为7的m序列,直接扩频二相相移键控，时域波形和频谱(Generating m sequence with a lifetime of 7, direct spread spectrum two phase shift keying, time domain waveform and spectrum)
bpsk ss
- bpsk扩频调制,先进行扩频调制，再进行bpsk调制。有功率谱和频谱(First carries on the spread spectrum modulation, in BPSK modulation, frequency spectrum and power spectrum)
5583100
- cdma2000的系统建模及实现 包括信源编码,信道编码,扩频,调制,()
ynblfg
- QPSK的扩频调制解调的simulink仿真,误码率统计等()
DS
- 实现直扩系统的simulink仿真，采用BPSK调制，可以直观理解直接序列扩频通信系统的工作原理(The realization of direct sequence spread spectrum communication system can be understood intuitively by the realization of Simulink simulation of DSSS and BPSK modulation.)
7646046
- cdma2000的系统建模及实现 包括信源编码,信道编码,扩频,调制,()
7374434
- QPSK的扩频调制解调的simulink仿真,误码率统计等()
dsss_spreadspectrum
- 主要实现直接序列扩频调制，解调。信道采用高斯白噪声信道。(The main realization of direct sequence spread spectrum modulation, demodulation. The channel adopts gaussian white noise channel.)
2018.01.20
- CDMA通信系统中的扩频码，跳频码，信号分选，参数估计，调制识别(Spread code in CDMA communication system, frequency hopping code, signal sorting, parameter estimation, modulation recognition)
IS95前向链路系统
- IS95前向链路系统:此函数用于IS-95前向链路系统的仿真，包括扩频调制，匹配滤波，RAKE接收等相关通信模块。 仿真环境: 加性高斯白噪声信道.(IS95 forward link system: this function is used for the simulation of IS-95 forward link system, including spread spectrum modulation, matched filtering, RAKE reception and
YKRQYW
- cdma2000的系统建模及实现 包括信源编码,信道编码,扩频,调制,()
0789422
- QPSK的扩频调制解调的simulink仿真,误码率统计等()