变换

Besides, by the application of the two kinds of similar Haar wavelet transforms, typical fault signals in power systems are analyzed. It is proved that the two kinds of similar Haar wavelet transforms are very effective methods of the detection of fault signals in power systems.

此外，本文借助于这两种相似Haar小波变换，分析了电力系统几种典型的故障信号，证明了这两种相似小波变换方法对于检测电力系统故障信号是非常有效的。

The program can right image wavelet transform, high-pass filter, low-pass filtering and inverse transform.

该程序可以对图像进行小波变换、高通滤波、低通滤波以及逆变换。

The broadband transmission-line transformer with 4:1 impedance transformation ratio is studied,its equivalent model with mutual coupling between transmission-lines is given,and its impedance transformation characteristics are analyzed.

研究了变换比为4：1的宽频带传输线变压器，给出了考虑线圈互耦的等效电路模型，分析了其阻抗变换特性。

In the inliers sub-set, perspective transformation model was used to estimate the point transformation matrix between two images accurately.

在内点域内运用透视变换模型精确地估计出图像间的点变换关系。

To presents the stripe transformation, white light interference color switching some questions, makes the corresponding explanation.

对出现条纹变换、白光干涉仪颜色变换的一些问题，做出相应的解释。

In dealing with the upper singularity point of Abel inversion transfer, a zenith compensation term is introduced, which makes simple and stable in Abel inversion process.

在Abel积分变换的上奇点的处理中，推导了大气折射指数反演的天顶补偿项，使Abel积分变换的算法更简单而且更稳定。

According to signals obtained in magnetic flux leakage detection of oil pipe wavelet transform method is adopted for signal processing.

为了解决输油管道运营中管道腐蚀问题，需定期对输油管道进行无损检测，采用小波变换的方法处理漏磁信号，分析探讨了漏磁检测的原理，指出采用小波变换中的Mallat算法可以有效地对漏磁信号进行处理，使信号便于储存和分析。

On the basis of normal model transfer, secondary model transfer makes the second model transfer, therefore the line equation is easier.

二次模方法是在常规相模变换的基础上进行第二次模变换，使线路方程更加简化。

Study revolves and symmetry of surface sketch, compound symmetry transformation, the concept of group, revolve and symmetry transformation in line group.

以初中学生为授课对象，研究平面图形的旋转对称与轴对称、对称变换的复合、抽象运算意义下数与形的对应关系、群概念以及带群中的旋转和轴对称的变换。

The phase conversion process has been discussed on the basis of three working ways of inductance loading in TEM-Ⅱtransmitter, and then several problems have been put forward.

分析了IGBT全桥变换电路实现功率变换时感性负载上电压、电流的瞬态变化规律及无功功率的释放回路，对TEM-Ⅱ型瞬变电磁法发射机阻感性负载三种工作方式的换相过程作了深入全面的讨论，进而提出几点注意事项。

Since historical times,England ,where the early inhabitants were Celts, has been conquered three times .

从有历史以来，英国，在此地早期居住的是凯尔特人，已经被征服了三次。

Bluetooth OBEX File Transfer Enables the sending and receiving of files on your phone via Bluetooth.

蓝牙OBEX文件移动允许经过蓝牙传送和接受文件。。。。