信号中心的英文
signal center
例句与用法
- Considering characteristics of radio propagating offshore and flexibility of radio area navigation system , when distance is less than 1000km , center frequency of navigation signal should be chosen in 2mhz
综合考虑电波海上传播特性和陆基区域无线电导航系统的机动性,在海上作用距离不超过1000km时,导航信号中心频率采用2mhz频段。 - With the rotational complex empirical orthogonal function rceof , we analyzed the spatio - temporal evolvement of the latest fifty years ssta of pacific ocean . came to a result that there are two strong signal center : one at middle and east pacific ocean near equator , the other at 40n . it will take several months to half a year for the signal to reach west pacific ocean from east coast of pacific ocean near equator correspond to enso
运用转动复自然正交展开rceof分析近50年太平洋海温场的时空结构，得出在赤道中东太平洋和40n附近有两个海温异常强信号中心赤道东海岸太平洋海温异常信号对应enso信号在几个月到半年左右传播到赤道西太平洋海温主要周期大部分落在310d的范围内，还存在年和准两年变化。 - The text ' s creative fruits are many methods such as spectrum correcting technique that are applied to restrain sidelobe . the diversified methods such as moving signal ' s center frequency after low passing filter , spectrum correcting , adding windows and so on are analyzed and compared , those impacts on restraining sidelobes of noise fm and linear fm are observed , those are researched in applied process
本论文的创造性成果是引用谱修正技术等各种方法到旁瓣抑制中来，对移动低通后的信号中心频率、进行谱修正及不进行谱修正、加窗及不加窗等各种方法的旁瓣抑制效果进行分析、比较，观察它们对噪声调频信号和线性调频信号的旁瓣抑制作用，并研究了其应用步骤。
