• The algorithm is applicable to precise measuring of the PN code phase of satellite positioning signals and spread-spectrum ranging signals.

    该算法的主要应用领域为卫星定位信号和直序扩频测距信号PN码相位的精确测量。

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  • The first kind of the frame synchronization algorithm employs the correlation of the long PN sequence and the redundancy of the guard interval to produce the synchronization signal.

    第一种帧同步算法直接利用了一个长PN序列产生相关并融合保护间隔的冗余特性获得同步信号。

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  • This algorithm firstly calculates the average power serial, and then finishes the detection of PN code rate through the analysis of frequency spectrum and smooth processing.

    该算法首先计算序列的平均功率,然后对其进行谱分析并作平滑处理而完成伪码速率的判定。

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  • Based on the adaptive Kalman filtering algorithm, an estimator for the GPS PN code tracking error with model bias is proposed.

    在自适应卡尔曼滤波算法的基础上提出了一种带模型偏差的GPS伪码跟踪误差估计器。

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  • PN model, LAC neural network and its learning algorithm are all put forward first time in this thesis.

    PN神经元模型、lac神经网络及学习算法,都是本文首次提出的。

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  • According to the requirements of high reliability and anti-jamming capability for proximity fuze, the PN code modulator scheme and the selecting 7 in 20 decision algorithm are proposed.

    根据无线电近炸引信的高可靠和抗干扰能力要求,提出采用“20判7”的判决算法和伪码调制的终端方案。

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  • The second part is the third chapter, which explains the PN code adopted by spreading spectrum in this system and the power testing algorithm.

    第二部分为第三章主要从软件算法实现方面进行阐述,该部分包括系统扩频码选取及不同长度扩频码性能比较分析和功率检测算法。

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  • 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。

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  • The LS-DRMTCM algorithm and DR-LMS algorithm are first introduced, then a variable step-size PN cold filter adaptive beamforming algorithm is presented.

    首先介绍了LS-DRMTCM算法和DR-LMS算法,然后提出了一种变步长的码滤波波束形成算法。

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  • Secondly, a novel downlink acquisition and synchronization algorithm for IEEE 802.20 OFDMA system is proposed. The algorithm is composed of downlink frame detection and sector PN code identification.

    其次,本文提出一种针对IEEE 802.20 OFDMA工作模式的下行捕获和同步算法,该算法分为下行帧头检测和扇区标识值识别两个步骤。

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  • 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。

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  • So an adaptive acquisition algorithm of PN codes for burst short frames is presented. The algorithm is suitable for the condition that AGC is applied before the ADC.

    提出一种适合突发短帧模式的自适应伪码捕获方法,该方法可适用于A/D转换前加自动增益控制(AGC)的情况。

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  • So an adaptive acquisition algorithm of PN codes for burst short frames is presented. The algorithm is suitable for the condition that AGC is applied before the ADC.

    提出一种适合突发短帧模式的自适应伪码捕获方法,该方法可适用于A/D转换前加自动增益控制(AGC)的情况。

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