The comparison of vibration signals ' time - frequency analysis between emd - based ht and wt method in rotating machinery 的希尔伯特变换和小波变换时频分析比较
Basic theories , algorithms and applications of wavelet transform ( wt ) were described in this paper 介绍了小波变换的基本理论并对小波变换的常用算法和应用进行了评述。
Basic theories , algorithms and applications of wavelet transform ( wt ) were described in this paper 摘要介绍了小波变换的基本理论并对小波变换的常用算法和应用进行了评述。
The addition of 0 . 12 wt % mischmetal has the best result , which heightens the ignition point by 149 当混合稀土加入量为0 . 12 %时，阻燃效果最好，提高起燃温度达到149 。
With the peculiar natural and cultural landscapes , wetlands provide many advantages on wetland tourism ( wt ) 湿地以其独具特色的自然和文化景观为湿地旅游提供了有利条件。
When 20 % ( wt ) polymerb was added , the oxygen storage materials get the most ideal synthesis properties 比较发现，以聚合物b的添加量为20 ( wt )时，所得储氧材料的综合性能最佳。
Australia ' s trade minister , wt said the washington and brussels should not be expected to make all the concessions 澳大利亚外交部长wt称不能指望华盛顿和布鲁塞尔做出所有的妥协。
But wt need heavy computations which were always competed by computer , it is impossible to deal with it in real - time 但小波变换需要大量的计算，通常由计算机完成，难以实时处理。
Recently , a new mathematical technique known as wavelet transform ( wt ) has become the focus of many science areas 摘要近年来，一种被称为小波变换的数学理论和方法成为众多学科关注的焦点。
