A linearization method to design biorthogonal cosine BCM filter banks is proposed.介绍了一种用于设计双正交余弦调制滤波器组的线性化方法.We derive the addition formulas for sine and cosine from the arithmetic of complex numbers.用复数算术推导了正弦,余弦的加法公式.L...
This requires two sine - cosine resolvers.这就需要两个正余弦分解器.Let's now examine the simplest wave from where the profile is a sine or cosine curve.现在让我们来考察最简单的波形,它的剖面图是正弦或余弦曲线.We derive the addition formulas for sine and c...
He dressed very smartly which was important in those days.他衣冠楚楚——这一点在那个时候很重要。The housekeeper moved smartly to the Vicar's desk to answer the call.管家迅速来到牧师的书桌前接电话。He was a big man, smartly dressed in a suit and tie.他...
赤霉素是大多数植物正常的组成部分.Gibberellin are normal constituents of most plants.对能产生类似赤霉素活性所需的分子类型的看法还必须扩大.Views on the type of molecule needed to yield gibberellinlike activity must be expanded.外源赤霉素能影响某些竹种的有性更新过程.Vegetative rejuve...