1) environmental tracking
环境跟踪
2) code tracking loop
码跟踪环
1.
The paper emphasizes on the theory of C/A code generation in Global Positioning System,the structure of C/A code tracking loop and the working process of each portion,then gives corresponding implementation on FPGA and simulation result on chip following request.
C/A码跟踪环是GPS接收机的重要组成部分。
2.
By adopting code rate as timing benchmark,the code tracking loop in the receiver tracks and calculates the sampling frequency offset between the actual and nominal values.
接收机的码跟踪环路以码速作为时间基准,对采样频率实际值与标称值之间的偏差进行跟踪,环路稳定后得到该偏差的估计值,其采样频率的准确度可提高到10-7量级。
3.
Here the bit tracking loop,code tracking loop and carrier tracking loop work simultaneously to complete synchronization of data,code and carrier phase.
该方法采用位同步环、码跟踪环和载波跟踪环同时工作,协同完成数据位、伪码和载波相位的同步。
3) tracking loop
跟踪环路
1.
Design and implement of GPS receiver tracking loop based on FPGA
基于FPGA的GPS接收机跟踪环路设计与实现
2.
This paper analyze the performance of GNSS receiver tracking loop between with and without velocity aid,by the method of theoretic derivation and simu.
本文通过理论推导和仿真试验的手段,比较分析了有速度和无速度辅助时接收机跟踪环路的性能,计算及方真结果表明了GNSS接收机在有惯性速度辅助的情况下接收机的跟踪性能较无速度辅助时有了明显的提高,为工程应用奠定了理论基础。
3.
But the received signal has suffered the modulated effect induced by spinning vehicles and sets higher requirements for GPS receiver tracking loops.
对于旋转载体采用圆柱共形微带天线更易实现对GPS信号稳定和连续的接收,然而接收得到的信号含有载体旋转引入的调制效应,对接收机跟踪环路提出了较高的要求。
5) digital delay-locked loop(DLL)
码环跟踪
6) tracking loop
跟踪环
1.
High dynamic tracking loop based on software GPS receiver;
基于软件GPS接收机的高动态跟踪环路设计
2.
Meanwhile the paper gave the design method of base band signal tracking loop of KBR and the definition method of the simulation parameter.
同时给出了KBR基带信号跟踪环设计方法和仿真参数的具体确定。
补充资料：海洋自然地理环境(见自然地理环境)
海洋自然地理环境(见自然地理环境)
marine physical geographic environment
haiyang ziran dili huaniing海洋自然地理环境(marin。phys、calgeograPhic environment)见自然地理环境。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条