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Description: 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-Spread Spectrum Communication capture issue, GOLD spread spectrum code, PN phase acquisition. The capture phase, the receiver have offset the GOLD code for despreading and bit error rate calculation
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Size: 2261 |
Author: mi_kenny |
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Description: 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-Spread Spectrum Communication capture issue, GOLD spread spectrum code, PN phase acquisition. The capture phase, the receiver have offset the GOLD code for despreading and bit error rate calculation
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Size: 2048 |
Author: mi_kenny |
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Description: DSP2407的外置AD加DSP的M15伪码快速捕获程序,可下载,烧写,可运行-DSP2407 external AD plus the M15 PN code DSP Rapid Acquisition procedures, can be downloaded, programmer, can run
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Size: 34816 |
Author: sss |
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Description: GPS的pn码捕获matlab仿真程序，通过序列相关实现捕获功能-GPS-pn code acquisition matlab simulation program, through the serial correlation realize capture
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Size: 1024 |
Author: 李永 |
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Description: 介绍了基于伪码测距的某定位系统的设计方案，简要分析了伪码测距的原理，研究了用FPGA实现伪码的捕获与跟踪的方法。-Pseudo-code based on the introduction of a positioning system location design scheme, a brief analysis of the principle of pseudo-code ranging study using the FPGA realization of PN code acquisition and tracking method.
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Size: 51200 |
Author: 王晨磊 |
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Description: 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-Spread Spectrum Communication capture problems, and use spread-spectrum GOLD code, PN code phase acquisition, the use of capture phase, receivers have offset the GOLD code, to conduct de-spread and bit error rate calculation
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Size: 2048 |
Author: 汪龙 |
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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: 文章介绍了系统的硬件电路原理与具体实现方法，其中主要包括载波恢
复电路，PN 码捕获电路和跟踪电路，并针对Xilinx 公司FPGA 的特点，对各电
路的实现进行优化设计，在不影响系统稳定性和精度的前提下，减少硬件资源
消耗，提高硬件利用率。设计利用Verilog 硬件描述语言完成，通过后仿真验证
电路正确性，并给出综合结果。-This paper introduces the system' s hardware circuit principle and the specific implementation methods, which mainly include the carrier recovery circuit, PN code acquisition circuit and track circuits, and FPGA for Xilinx company characteristics, the implementation of the circuit to optimize the design, without affecting the system stability and precision under the premise of reduced hardware resource consumption, improve hardware utilization. Designed using Verilog Hardware Description Language finish, after the passage of the correctness of circuit simulation, and give General results.
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Size: 1007616 |
Author: mayuan |
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Description: Its the project report for CDMA PN code acquisition using Neural Networks.
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Size: 46080 |
Author: shifka |
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Description: 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.
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Size: 2048 |
Author: 王永俊 |
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Description: pn码串并结合快速捕获算法的改进与研究，详细介绍了串并结合捕获算法的优点-pn code acquisition algorithm for strings in combination with rapid improvement and research, detailing the string combined with the advantages of capturing algorithm
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Size: 3381248 |
Author: 员丽琼 |
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Description: 关于扩频通信的课件，详细介绍了PN码的捕获和跟踪。-Courseware on the spread spectrum communication, detailing the PN code acquisition and tracking.
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Size: 3190784 |
Author: zzm |
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Description: 建立了多径直扩信号模型，实现多径环境下直扩信号PN码的捕获-The multipath DS-SS signal model is built, and achieve the PN code acquisition under multipath.
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Size: 199680 |
Author: 高永升 |
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Description: IEEE经典文章，CDMA PN序列差分捕获技术，文章内容详细，对学习和从事直接序列扩频同步捕获CDMA系统设计人员有很大帮助，推荐-New differentially coherent detectors for acquisition of direct sequence spread-spectrum signals are ntroduced. These detectors are alternatives to the noncoherent detectors that have
been considered almost exclusively in the past. The proposed detectors are suitable for commercial code-division multiple-access(CDMA) systems which operate with a relatively large noise fl oor and provide a surprisingly large signal-to-noise ratio (SNR) improvement over the noncoherentdetectors of approximately 5 dB.
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Size: 293888 |
Author: caiyh |
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Description: 基于matlab采用匹配滤波器实现的PN码捕获与跟踪，对学习PN码捕获的朋友很有帮助-Matlab using matched filter based on the PN code acquisition and tracking, PN code acquisition in learning helpful friend
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Size: 2181120 |
Author: 小黄 |
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Description: 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: the sequence characteristics of the PN4 a 4-bit sequence of the first two to take different or, let a sequence of left, with the result as a sequence of different or the last one. Sequence cycle is 15, or 15-bit pseudo-random sequence. Including sequence generation module and detection module. For error detection, the first capture phase. Then, provided the total number of test code, statistics, the number of these codes can not meet the characteristics of PN sequences, with the number of counter statistics. If you find too many errors, it may be the phase offset, re-acquisition phase, then the error detection. Simulation tools: modelsim
synthesis tool: quartus II
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Size: 4096 |
Author: huangjiaju |
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Description: 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 analysis of FFT to acquire signal is applied in this paper
and state transfer function is used to derive the expression of
average acquisition time.
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Size: 553984 |
Author: 严鹏涛 |
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Description: 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
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Size: 69632 |
Author: kamang123 |
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Description: 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 despreading and bit error rate
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Size: 2048 |
Author: 孙伟 |
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Description: 直接序列扩频伪码跟踪simulink仿真程序，仿真PN码捕获，跟踪过程完整过程。-Direct sequence spread spectrum code tracking simulink simulation program, emulation PN code acquisition process complete process of tracking.
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Size: 2182144 |
Author: 黄小一 |
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