| 单词 | pn code | ||||||||||||
| 释义 | pn code
更多释义 收起释义 例句释义: 伪随机码,技术使用伪随机码,同步 1. The key technology of PN-code ranging is studied, such as long periodic PN-code's design, PN-code rapid acquisition and its implement. 研究了伪码测距的关键技术：长周期码的设计，伪码快速捕获及其实现结构。 www.fabiao.net 2. Then, the period of the long PN code can be detected through multi-autocorrelation based on the band-pass filter. 在此基础上，设置带通滤波器，同样经过多重自相关处理，可以检测出长伪码的周期。 ceaj.org 3. Then a hierarchical scan algorithm is proposed to identify the sector PN code, which reduces search time greatly. 其次，提出分层搜索的扇区标识值识别算法，该算法能大大减少检测和识别时间。 www.fabiao.net 4. In this article, we propose a fast correlation algorithm of multiple PN code by Fast Walsh Transform (FWT). 本文提出了一种利用快速沃尔什变换（FWT）实现对复合码进行快速相关的算法。 www.dictall.com 5. Using this method, the synchronized PN code phase and approximation value of Doppler shift are got. 该捕获方法在捕获到同步长周期伪码的同时，也得到了多普勒频偏值的近似值。 www.mct.com.cn 6. PN code is also introduced, including characteristics of PN code. And we make a deep research into its correlation characteristic. 详细介绍了伪随机码的各种特性，尤其是PN序列的相关性就行了研究； www.boshuo.net 7. But when the PN code is very long the SSA spends more time because there are many phase position to be compared. 但当PN码很长时，由于搜索相位点很多，串行搜索法将使捕获时间过长。 www.ceps.com.tw 8. Finally, we introduce the PN-code ranging applications in time unified system. 最后介绍了伪随机码测距在时间统一系统中的应用。 www.fabiao.net 9. Carry out the software design of the timing recovery based on interpolation and the 1 bit PN code timing recovery. 实现基于内插的位同步方法和1比特伪码码同步器的软件设计。 www.fabiao.net 10. This paper proposed a PN code acquisition method based on IF sampling to implement a new type of satellite receiver. 本文针对新型的卫星用接收机伪码捕获的性能指标要求，设计了一种基于中频直接采样数字化的伪码捕获算法。 www.dictall.com 1. Performance analysis of CTL used for MSK waveform PN code MSK波形伪码码片跟踪环性能分析 www.ilib.cn 2. PN Code Acquisition Performance Effects of Adaptive Narrow-Band Interference Suppression Filters in Spread-Spectrum Systems 扩频系统中自适应窄带干扰抑制滤波器对PN码捕获性能的影响 www.ilib.cn 3. Performance Analysis of a New PN Code Tracking Loop with Sequential Filters 一种新的带序贯滤波的PN码跟踪环性能分析 www.ilib.cn 4. Optimum design of multiple dwell PN code acquisition system using segment correlation-video integration method 基于分段相关-视频积累方法的多驻留伪码捕获系统优化设计 www.ilib.cn 5. Research on Spectral Correlation Function of Reconnaissance Signal of PN Code-Carrier FM 伪码-载频体制侦察信号的谱相关函数研究 www.ilib.cn 6. Research on an Improved Technology of PN Code Acquisition 一种改进的PN码捕获技术研究 service.ilib.cn 7. A new PN code acquisition algorithm for underwater communication in high doppler environment 多普勒频移环境中水声通信伪随机码快速捕获方法 168.160.184.72 8. Application of Digital Differential Matched Filter in PN Code Acquisition System 数字差动匹配滤波器技术在PN码捕获系统中的应用 ilib.cn 9. Joint Acquisition of PN Code and Beamforming Weight in DSSS Systems with Antenna Array Under Jamming DSSS通信系统中干扰环境下码捕获和阵列权值联合捕获 www.ilib.cn 10. Research on PN code and carrier tracking algorithm in dynamic and noise environment 动态和噪声环境下伪码和载波联合测距算法研究 ilib.cn 1. Algorithms for period and sequence estimation of the PN code in DS-SS signals 直扩信号伪码周期及序列的估计算法 ilib.cn 2. Improvement of PN code synchronization and acquisition method in DSSS 直扩通信伪码同步捕获方法的改进 scholar.ilib.cn 3. An Adaptive Threshold Estimation Method for PN Code Acquisition 一种PN码捕获的门限自适应估计方法 www.ilib.cn 4. Research and Design of PN Code Sequence Fast Frequency Hopping Frequency 伪随机序列快速跳频频率合成器的研制 ecompact.cn 5. A Practical Method to Improve Space Spread-spectrum PN Code Ranging Accuracy 一种提高空间伪码扩谱测距精度的实用方案 www.ilib.cn 6. A Rapid PN Code Acquisition Scheme In Satellite Communications 一种用于卫星通信中的PN码快速捕获方法 www.ilib.cn 7. A PN Code Phase Acquisition With Non-coherent Sequential Detection 基于非相干序贯检测器实现的伪码捕获器 www.ilib.cn 8. Performance Analysis of Delay-Doppler Effect in Acquisition of PN Code 时延-多普勒频移对伪码捕获影响的性能分析 www.ilib.cn 9. Implementation of a new fast PN code-acquisition using radix-2 FFT 基于基2-FFT的伪码快速捕获实现新算法 www.ilib.cn 10. The blind adaptive beamforming algorithms using PN code 利用PN码的盲自适应波束形成算法 ilib.cn 1. Design of PN Code in Wireless Spread Spectrum Positioning System 陆基无线扩频定位系统中伪随机码设计 www.ilib.cn 2. An Implementation Method for DS-SS Transponder PN Code Tracking Loop 扩频应答机码跟踪环的一种实现方法 168.160.184.78 3. Application of Wavelet De-noising in Distance-detecting with PN Code 小波去噪在伪码定距中的应用 ilib.cn 4. Two-step PN code acquisition scheme in the improved multiplex system 复合系统新型双级捕获方案及性能分析 ilib.cn 5. On the scheme of delay-waiting direct rapid acquisition of very long PN code 超长PN码的延迟-等待直接捕获方法 service.ilib.cn 6. A PN Code Acquisition Method and Performance Analysis in Very Low SNR 极低信噪比下的一种扩频伪码捕获算法研究 www.ilib.cn 7. Short Period PN Code Capture Technique with Self-jamming Code 存在自干扰码时的短周期伪码截获技术 www.ilib.cn 8. A Method for Accurately Measuring the Phase of PN Code in DSSS Systems 直接序列扩频通信系统中PN码相位的精确测量方法 www.ilib.cn 9. PN code timing error detectors using on-time arm correlator 利用准时相关值的PN码定时误差检测器 www.ilib.cn 10. An FFT-Based Approach for the Fast Acquisition of PN Code 一种基于FFT的伪码快捕方法 www.ilib.cn 1. Study on Thermal Noise Error of BOC Modulated PN Code Tracking BOC调制伪码跟踪热噪声误差研究 www.ilib.cn 2. Range and Rapid Acquisition for Impulse Pulse with PN-Code 伪码脉冲复合测距及其快捕方法 service.ilib.cn 3. A Practical Method of Instrument to Measure Height with PN Code 一种基于伪码测距的高度表实现方案 www.ilib.cn 4. A new adaptive PN code blind acquisition scheme with CFAR 一种新的具有恒虚警概率的PN码自适应盲捕获方法 service.ilib.cn 5. Joint Estimation of PN Code Delay and Multipath Using the Unscented Filter 无气味滤波器在PN码时延和多径信道联合估计中的应用 www.ilib.cn 6. The Design and Realization of Code Loop in PN Code Ranging 伪码测距中码跟踪环的设计与实现 service.ilib.cn 7. A New DSSS Long PN Code Acquisition Algorithm 一种新的直序列长伪码捕获方案 www.ilib.cn 8. Rapid Acquisition of PN Code Based on Soft Handoff of Frequency Channels 基于频率通道软切换的扩频码快速捕获 ilib.cn 9. PN Code Acquisition Method Based on Second-Order Sampling in 基于二阶采样的直扩码分多址系统伪随机码捕获方法 layoutpage.cn 10. Design and Realization of PN Code Ranging Circuit Based on FPGA 基于FPGA的伪码测距电路的设计与实现 service.ilib.cn |
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