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。
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。
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。
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。
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。
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。
High precise measuring and tracking of carrier frequency-deviation is necessary to the realization of a high performance phase locked loop in carrier recovery.
载波恢复中高精度的频偏检测与跟踪是高性能锁相位环路实现的必要条件。
Better carrier frequency tracking performance can be gotten by adjusting the loop gain.
通过调整同步环路的环路增益,可以获得更好的频率跟踪性能。
Additionally, the carrier loop noise bandwidth and the correlator spacing are reduced. Then the accuracy of carrier and code tracking loops is improved significantly.
同时,降低载波环噪声带宽,减小码环相关间隔,从而提高了载波环和码环的跟踪精度。
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。
Because of the frequency lock loop traction PLL filter can be designed very narrow, with very good noise suppression performance, to meet the precise requirements of carrier phase tracking.
由于有锁频环的频率牵引,锁相环路滤波器可以设计得很窄,具有很好的抑噪性能,满足精确跟踪载波相位的要求。
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。
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。
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