Multipath error is a main influence on high-precision GPS dynamic deformation monitoring results as it is difficult to be mitigated by difference observation in most of applications.
多路径误差在绝大部分应用中,其测站间相关性很弱,不能通过差分观测得到有效削弱,成为高精度GPS动态变形监测中的主要误差源。
The multi-path error for GPS code measurement is analyzed, and the simulations are obtained, which can provide theory evidence in the work to overcome the multipath error in GPS measurement.
对GPS伪码测量的多径误差进行了分析,给出性能仿真结果,为克服GPS测量中的多径误差提供了理论依据。
The only way to get rid of those error messages is to install a multipath driver.
消除这些错误消息的惟一方法是安装多路径驱动程序。
The GPS error is influenced by a lot of factors, one of them is multipath effect.
GPS接收机的误差受多种因素影响,多径干扰便是其中一项。
The fractal theory was applied to describe multipath fading channels, and a novel channel estimation scheme using fractal filter in the sense of minimum mean square error (MMSE) was presented.
本文将分形理论引入多径衰落信道的描述,提出了一种利用分形滤波进行最小均方误差意义下信道参数估计的方法。
The major error source of GPS systems, especially of differential GPS, is the multipath signals. It will deteriorate the precision of positioning.
GPS测量,尤其是差分GPS测量,多径信号是主要的误差来源,会引起定位精确度的恶化。
An efficient approximation for expressions of the average error probability are developed based on considering the effects of multipath interference, multiple access interference and channel noise.
基于多径干扰、多址干扰和信道噪声的机理分析,推导了计算平均差错概率的有效近似公式。
In this paper the error models of Angle, range and speed due to multipath effect in low Angle radar tracking are given.
给出了在雷达低仰角跟踪测量中由于多径效应影响而引起的雷达仰角、方位角、速度、距离误差的估算模型。
The DSCMA-based multipath underwater acoustic channel blind equalizer has many features such as fast convergence, low excess mean square error and low computational complexity, etc.
而基于双层符号常数模的多径水声信道盲均衡器,具有收敛速度快,超量均方误差和计算复杂度小等特点。
In the radar elevation coordinate, the multipath effects are more severe, which cause periodic peak error in the target height measurement.
在雷达俯仰角(目标高度)方向上多径误差的影响尤为严重,使得目标高度的测量误差表现为周期性的尖峰误差。
The closed expression form of the maximum carrier phase tracking error caused by multipath effect is derived in this paper based on multipath signal characteristics and GPS receiver work mechanism.
推导了GPS接收机中多径效应引入的最大载波相位跟踪误差的闭合形式。
Numerical results demonstrate that the phase variations caused by multipath time delays may influence accuracy of the mean of time synchronization error spectral estimation.
数值计算结果表明,多径分量的相位变化会影响时间同步误差谱估计均值的准确性。
This receiver is analyzed in theory and simulated in IEEE CM3 multipath channel. The results show that it has a better bit-error-ratio performance compared with a conventional ATR receiver.
经过理论分析和IEEECM 3多径信道仿真,结果表明该接收机的误码率性能优于一般A TR接收机。
The field experimental results show: the system provides the performances of anti-interference of multipath and fluctuation, with the bit error rates on the order of 10-2 to 10-3 at distance 12km.
海上实验结果表明:在传输距离为12公里时,系统的误码率为10 - 2至10 - 3,具有较强的抗多途和起伏干扰能力。
The field experimental results show: the system provides the performances of anti-interference of multipath and fluctuation, with the bit error rates on the order of 10-2 to 10-3 at distance 12km.
海上实验结果表明:在传输距离为12公里时,系统的误码率为10 - 2至10 - 3,具有较强的抗多途和起伏干扰能力。
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