Source code instrumentation: the most basic technique is to add instrumentation at the source code phase so that the compiled and deployed classes already contain the instrumentation at run time.
源代码插装:最基本的技巧是在源代码阶段添加插装,这样编译和部署后的类就已经在运行时包含了插装。
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。
Considering the affection of Doppler, the two dimensions searching in both frequency and code phase is applied.
考虑多普勒频移的影响采用频率和码相位二维搜索。
Following, code tracking confirm the PN code phase precisely and track every multipath component's delay drifting due to Doppler effect.
同步跟踪则由多径跟踪的结果精确估计PN序列码相位,并实时跟踪信道各径成分由于多普勒效应产生的时延漂移。
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。
A method using cubic-spline interpolation to process correlation peaks was proposed to improve the precision of BOC-modulated signal PN code phase measurement.
提出了利用三次样条插值法,处理BOC调制信号相关谱主峰及副峰的数据,以提高相位测量精度的算法。
In a GPS receiver, the signal acquisition coarsely adjusts the code phase and the carrier frequency of locally generated replicas to align with the corresponding satellite signal.
GPS接收机中信号捕获通过粗略调整本地复制信号的码相位和载波频率与卫星信号同步。
Their main function is to simulate the satellite signal from the really satellite on the satellite orbit through changing code phase, Doppler shift, carrier and signal-to-noise ratio.
其主要功能就是通过改变码相位、多普勒频移、载波和信噪比来模拟卫星轨道上真实卫星发射的信号。
Their main function is to simulate the satellite signal from the really satellite on the satellite orbit through changing code phase, Doppler shift, carrier and signal-to-noise ratio.
其主要功能就是通过改变码相位、多普勒频移、载波和信噪比来模拟卫星轨道上真实卫星发射的信号。
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