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Description: 直接序列扩频Matlab程序
直接序列扩频通信可以有效地抵抗来自信道中的窄带干扰。在一个直扩通信系统中,扩频是通过伪噪声序列(PN)对发送的信息数据进行调制来实现的。在接收端,原伪噪声序列和所收信号的相关运算可将窄带干扰扩展到DS信号的整个频带,使干扰等效为幅度较低频谱较平坦的噪声；同时，将DS信号解扩,恢复原始信息数据。-Matlab procedures for direct sequence spread spectrum direct sequence spread spectrum communications can effectively resist the narrow-band interference from the channel. In a DSSS communication systems, spread spectrum pseudo-noise sequence through (PN) for sending information data modulation is achieved. At the receiving end, the original pseudo-noise sequence and the received signal related to computing can be extended to narrow-band interference signal DS the whole band, so interference is equivalent to a lesser extent than the flat spectrum of noise At the same time, the DS signal despreading and restore original information data.
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Size: 1024 |
Author: 周一 |
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Description: 该程序可以实现直扩通信系统中扩频码的生成，可以通过键入本原多项式直接输出生成的扩频码，方便灵活。-The program can be achieved in DS spread spectrum communication system to generate code, you can direct the output type primitive polynomial generated spreading codes, convenient and flexible.
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Size: 12288 |
Author: qingyuanbao |
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Description: 产生PN序列，及产生伪随机序列,可用于数字水印扩频等-Generated PN sequence, and generate pseudo-random sequence, spread spectrum can be used for digital watermarking, etc.
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Size: 78848 |
Author: zhengyun |
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Description: cdma 码分多址系统的pn码同步获取程序，利用滑动相关峰值的最大值来获取同步-cdma CDMA system pn code synchronization acquisition procedures, the use of sliding correlation peak to obtain the maximum synchronization
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Size: 2048 |
Author: mhx |
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Description: CDMA中PN、Walsh码应用及调制解调的仿真实现-CDMA in the PN, Walsh code modulation and demodulation application and the Simulation
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Size: 43008 |
Author: 章彩 |
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Description: expand PN Sequence for CDMA 2-expand PN Sequence for CDMA 2000
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Size: 24576 |
Author: CommTe |
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Description: 该程序仿真了混沌序列与传统pn序列的扩频系统误码性能。-Simulation of the process of chaotic sequence with the traditional pn sequence spread spectrum system BER.
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Size: 3072 |
Author: 李巍 |
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Description: this PN generate in CDMA, this codes use to known about PN generate-this is PN generate in CDMA, this codes use to known about PN generate
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Size: 1024 |
Author: sony |
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Description: cdma simuklation with differetn users , pn sequences and their characterstics with new codes and also how to simulate it in matlab with different cdma codes for different no of users in the system
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Size: 8192 |
Author: gaurav |
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Description: M序列生成的matlab程序，m序列是目前CDMA系统中采用的最基本的PN序列。 是最长线性反馈移位寄存器序列的简称-M sequence generation matlab program, m sequence is the most basic PN sequence CDMA systems currently used. Is the longest linear feedback shift register sequences referred to as
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Size: 1024 |
Author: abc |
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