In tracking aspect, use carrier tracking loop based on Kalman filter to improve tracking performance.
在跟踪方面，采用了基于卡尔曼滤波的载波跟踪环来提高跟踪环的性能。
Based on the performance of PN code and carrier tracking loop, an optimal loop bandwidth is presented.
在分析伪码和载波跟踪环性能的基础上，给出了跟踪环路的最优带宽。
Therefore, the scheme can supply necessary prior data for the study of high dynamic GPS carrier tracking techniques.
因此，该方法可以为高动态GPS载波跟踪技术的研究提供必要的先验数据。
Yet it may require pulling information from different systems, such as the company-owned warehouse and the carrier tracking system.
不过这样做可能要求从多个不同的系统获取信息，比如说公司自己的数据仓库和运输商的跟踪系统。
So the method that the Doppler frequency shift which obtained using theforecast approach aids the carrier tracking loop is proposed.
基于卫星轨道可模化、可预测的特性，提出了利用轨道预报得到的多普勒频移来辅助环路跟踪的新方法。
We begin our discussion with a description of an imbalance model, then analyse its effect on carrier tracking loop steady-state lock...
通过对调制器不均衡的模型讨论，深刻分析了调制器不均衡对载波跟踪环路稳态锁定点和平均BEP的影响。
This article presents a study of the carrier tracking loop of the global navigation satellite system (GNSS) receiver in high dynamic conditions.
对高动态环境下的全球卫星导航系统(GNSS)载波信号跟踪方法进行了研究。
After analyzing the model of high dynamic signals, a quasi-open-loop carrier tracking method based on unscented Kalman filter (UKF) is proposed.
在分析高动态载波信号模型的基础上，提出了一种基于无迹卡尔曼滤波(ukf)的准开环载波跟踪方法。
We begin our discussion with a description of an imbalance model, then analyse its effect on carrier tracking loop steady-state lock point and I...
通过对调制器不均衡的模型讨论，深刻分析了调制器不均衡对载波跟踪环路稳态锁定点和平均BEP的影响。
Aiming at this problem, a new quasi-optimal structure of GPS carrier tracking loop based on extended Kalman filtering is proposed in this dissertation.
针对该问题，本文基于扩展卡尔曼滤波方法提出了一种准最佳的GPS载波跟踪环结构设计方案。
The effect of thermal noise and vehicle dynamics on carrier tracking loop are also analyzed, and the optimal bandwidth of carrier tracking loop is obtained.
并以相位跟踪环路为例分析了热噪声及载体动态性对环路的影响，得出了环路设计的最佳带宽。
Aiming at problem of precisely carrier tracking on the condition of high dynamic and low signal-to-noise ratio, four schemes are proposed in this dissertation.
针对高动态、低信噪比条件下的载波精跟踪问题，本文提出了四种解决方案。
We begin our discussion with a description of an imbalance model, then analyse its effect on carrier tracking loop steady-state lock point and its effect on average BEP.
通过对调制器不均衡的模型讨论，深刻分析了调制器不均衡对载波跟踪环路稳态锁定点和平均BEP的影响。
Finally, a theoretically optimal structure of GPS carrier tracking loop based on maximum likelihood estimation and linear Kalman filtering is proposed in this dissertation.
文章最后基于最大似然估计和线性卡尔曼滤波方法提出了一种理论上的最佳GPS载波跟踪环结构设计方案。
We begin our discussion with a description of an imbalance OQPSK model, then analyze the effect on carrier tracking loop steady-state lock point and the effect on average BEP.
通过对OQPS K调制器不均衡的模型讨论，深刻分析了调制器不均衡对载波跟踪环路稳态锁定点和平均BEP的影响。
To the question of Carrier Synchronization with low signal-to-noise ratio (SNR) and High Dynamic , using the method of combining FLL with PLL to actualize the carrier tracking.
针对极低信噪比高动态条件下载波同步问题，采用锁频环（FLL）和锁相环（PLL）相结合的方法来实现载波跟踪。
Carrier tracking loop is the Key in satellite navigation receiver baseband processor design, the performance of the tracking loop decide the entire receiver baseband processor chip.
载波跟踪环路的设计是北斗卫星导航接收机基带处理设计中的关键，环路的跟踪性能基本决定了整个接收机中基带处理芯片的性能。
The aircraft work as a team, patrolling, tracking and attacking targets below, on and above the surface and moving people and supplies to and from the carrier.
飞机以团队形式巡逻，跟踪和攻击水下及水上目标，向航母上运送物资和人员。
Enter the carrier and flight number in Google's main search box to return flight tracking information.
在Google的搜索框中输入航空公司或者航班号可以获得相关的航班信息。
The system uses time-frequency tracking loops to extract phase errors from data subcarriers with frequency interpolation to compensate for the estimated carrier frequency offsets.
该方法使用了时频同步跟踪环路，从数据子载波提取相位误差，并利用频域插值补偿多个用户的估计频偏。
In the process of signal digital intermediate-frequency received, digital down convertion, frequency tracking of carrier and phase locked loop are the keys.
在信号的中频数字接收过程中，数字下变频、载波频率与相位跟踪是设计的关键所在。
This paper issues a kind of Angle measuring tracking method for conical scan without hollow motor in moving carrier satellite communication system.
提出了一种在动载体卫星通信控制系统中，无需空心电机的圆锥扫描测角跟踪方案。
In this paper, a novel frequency synchronization estimation algorithm is provided to achieve carrier frequency capture and tracking.
文中提出了一种低复杂度的同步估计，来实现载波频率捕获和跟踪。
This paper proposes a carrier phase tracking loop dedicated for VSB demodulation.
本文提出了一种专门用于数字VSB解调的载波相位跟踪环。
Software realized the GPS carrier and the code tracking algorithm.
软件部分实现了GPS载波和码的跟踪环路算法。
If you require confirmation that your paper was received by COMAP, send the packet via a carrier that provides package tracking.
如果您需要COMAP给出收到邮包的确认，请委托提供包裹签单的邮递员寄送。
The paper discusses the acquisition and tracking of the PN code and the tracking of the carrier in high dynamic range , low SNR and long PN code.
讨论了高动态、低信噪比、长伪码序列扩频信号的伪码捕获、跟踪、载波跟踪与数据解调方法。
Due to steady phase error, low-order PLL has a trouble in tracking frequency ramp signals, so that the receiver cannot lock carrier signals.
低阶锁相环跟踪频率斜升信号时产生的稳态相差致使环路失锁，接收机无法锁定载波信号。
The automatic carrier frequency tracking scheme is accomplished by two steps in our system.
自动载波频率跟踪部分的设计分了两个主要阶段。
The automatic carrier frequency tracking scheme is accomplished by two steps in our system.
自动载波频率跟踪部分的设计分了两个主要阶段。
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