搜索资源列表
PN_sequence_generation
- PN code Generator PN code Generator-PN code Generator PN code Generator PN code Generator
GA-PNestimation
- 用遗传算法估计伪随机码（PN序列），包含初始化，选择，交叉，变异-Is estimated by using genetic algorithms pseudo-random code (PN sequence), including initialization, selection, crossover and mutation
PnGen
- PN序列生成函数, 测试代码. 带有一组生成多项式-failed to translate
userthre
- 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
PN_code_capture_and_tracing
- 一个完整的pn码捕获与跟踪的VHDL源码,并行匹配滤波器捕获,锁相环跟踪.-A complete pn Code Acquisition and Tracking of the VHDL source code, parallel matched filter to capture, phase-locked loop tracking.
PN_synchronization_simlulink
- pn ofdm synchronization matlab
pn_new
- PN code sequence generation
PN
- PN结两端电压随温度变化，采用ADC0809采样的处理程序，送于LCD1602显示，采用18b20温度传感器的测温作为参考-PN junction voltage with temperature changes at both ends, using ADC0809 sample handling procedures, to send in the LCD1602 display, using 18b20 temperature sensor temperature as a referen
pnseq
- variable size PN sequence generator
direct-sequence-spread-spectrum
- 带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。-the direct sequence spread spectrum with interference communication system
6lab_spreadspectrum
- simulink simulation for pn codes performance
11
- pn序列用于信道估计的列子，很全面的源代码-Channel Estimation and Equalization based on PN sequence
PN_sequence_generation
- 直接序列扩频通信系统建模与仿真 PN码序列产生代码（matlab)-PN code sequence generated code (matlab)
71477181pn.m
- 产生扩频所需的pn码， pn码在通信系统中占据了重要的位置，在即将到来的3G通信中比较重要 -Pn code needed to generate spread spectrum
PN_sequences1_final
- PN code generation for any length of generator polynomial
CDMAModulator
- MODULATOR This function modulate the forward Channel chips. Block Diagram InChips -> [Walsh] -> [Spreading] -> [Output Tx Shaping Filter] Inputs: chips - chips sequence to transmit MFType - Shaping Filter type (default - Rise Cosin
PN4
- 语言：VHDL 功能：该PN4序列的特点为将一个4位序列的前两位取异或，再让序列左移一位，用异或的结果作为序列的最后一位。序列周期是15，即15位伪随机序列。其中包括序列的产生模块和检测模块。对于误码检测，首先捕获相位。然后，规定测试的码的总个数，统计这些码中有多少个不能满足PN序列特点的，用计数器统计个数。如果发现误码过多，可能是相位失调，重新捕获相位，再进行误码检测。 仿真工具：modelsim 综合工具：quartus -Language: VHDL function:
Performance_Analysis_of_PN_Code_Acquisition
- 文章中主要阐述了PN码的捕获，并对以前的各种捕获方法进行了改进。得出了基于FFT的快速捕获算法！-Abstract-A FFT-based parallel acquisition algorithm for Direct Sequence/Spread Spectrum radio navigation system is studied to solve long PN code acquisition using serial method. Frequency domain
CFAR-based-PN-code-parallel-acquisition-criteria-s
- 基于恒虚警准则的伪码并行捕获门限设置CFAR-based PN code parallel acquisition criteria set threshold-CFAR-based PN code parallel acquisition criteria set threshold
matlab_watermark
- 本文算法是将24 位真彩图的亮度分量分块 DCT ,然后利用DCT 量化系数的奇偶特性嵌入8 位灰度水印图,并通过PN 序列加密来保证水印的 安全性。算法中,将灰度图像转换为二进制数据 流,置乱后扩频调制,隐藏在宿主DCT 系数量化值 中,提取时不需要宿主信号,实现水印信号的盲提 取。-This algorithm is 24-bit true color pictures of the luminance component of block DCT, quantiza