传统的GPS定位技术在定位卫星信号接收差的场合工作不可靠，通过DR算法可将GPS信号进行修正和补充。
Traditional GPS positioning technique is unreliable as it works on the occasion of insufficient satellite signal, and it can be modified and complemented by DR arithmetic.
本文对脑电信号产生的根源、脑电信号源定位的重要性以及脑电信号源定位方法进行了探讨。
In this paper, the source of brain electric signal, the importance of brain electric source localization and the method of brain electric source localization are investigated.
实验结果表明，小波变换无论是对信号的时间定位还是对信号的频率定位都优于傅里叶变换和短时傅里叶变换。
These result shows that wavelet transform is superior to Fourier transform and short time Fourier transform both in time and frequency orientation in signal processing.
本发明提供了一种使用全球定位系统(GPS)信号和数字广播系统(DBS)信号的定位方法。
The invention provides a positioning method using global positioning system (GPS) signal and digital broadcasting system (DBS) signal.
在全球定位系统信号不可见的情况下，可使用伪卫星系统扩展其使用范围，全球定位系统信号发生器是其中的关键组成设备。
GPS pseudolites systems were employed to extend the availability of GPS when satellites signals were not seen. GPS signal generators were the core part of pseudolites system.
在全球定位系统信号不可见的情况下，可使用伪卫星系统扩展其使用范围，全球定位系统信号发生器是其中的关键组成设备。
GPS pseudolites systems were employed to extend the availability of GPS when satellites signals were not seen. GPS signal generators were the core part of pseudolites system.
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