A new tool that can test the clock base frequency error of energy measuring devices and provide GPS standard time to calibrate real-time clock was introduced in this paper.
介绍了一种用来测量电能计量装置的时钟基频误差，并提供GPS标准时间以校准其实时时钟的新型工具。
The time frequency window is adjusted conveniently by using optimum base searching method, moreover, it's not necessary to have stable wave assumption in the window.
通过采用局部余弦最佳基搜索方法，对信息实现不同的时间分割，可非常容易地调整时频窗。不需要在分析窗内对信号作平稳假定，所得结果与原信号完全同步。
To resolve the large time jitter error of middle-long range action in UWB fuse systems, a novel time system base on crystal frequency division has been proposed.
为解决中远距离超宽带引信中的距离延迟和缓解延迟时间的大抖动误差，本文提出了一种基于晶振分频的时间系统。
Low level image processing is the base of localization. The paper discusses time domain filtering and frequency domain filtering according to the noise disturbance in the surrounding images.
低层视觉图象处理是视觉定位的基础，针对环境图象存在噪声干扰的特点，文章分别从时域和频域上分析了图象滤波的方法。
Wavelet is the best base of functions, with point singularity, and it has wide application in image processing because of its time-frequency localization and multiscale features.
小波是表示具有点奇异性函数的最优基，它由于具有时-频局部化特点和多尺度特性，在图像处理领域得到了广泛应用。
Filtering algorithms base on space, frequency, wavelet and time have been introduced to reduce noises caused by environmental and lighting conditions in the video image sequences.
针对视频图像存在由于环境、光照等原因所引起的噪声的特点，应用基于空间域、频域、小波域和时域等多种去噪方法。
A experiment system at the base of rotor test bed was built to study the rotor faults diagnosis using the new time-frequency analysis method, then studed several typical faults.
以模拟转子实验台为基础构建了实验系统，并进行了实验研究。
The technical characteristics of the device is: the frequency conversion invert circuit consists of the connection of a time base integrated circuit and a triode;
其技术特征是：变频逆变电路由时基集成电路和三极管连接而成；
The technical characteristics of the device is: the frequency conversion invert circuit consists of the connection of a time base integrated circuit and a triode;
其技术特征是：变频逆变电路由时基集成电路和三极管连接而成；
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