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A measurement is made for the structure-borne power flow of a ventilation fan mounted on a concrete floor by using the cross spectrum method. 本文利用互功率谱的方法对安装在混凝土地板上的小型排气扇工作时产生的结构声功率流进行了现场测量。
Factor Selection Based on Cross Spectrum Analysis 基于交叉谱分析法的因子筛选
Use LP Method with cross spectrum matrix to DOAs 基于线性预测的互谱域角度谱估计方法
frequency spectrum direct vision method 频谱直视法
The power density spectra and cross spectra of PCA/RXTE data of Cir X-1 in different observational periods are studied. 利用 RXTE在不同时期的观测数据 ;分析了 Cir X-1功率密度谱和交叉谱 .
Cross spectrum and DOA estimation based on a single vector sensor 单矢量传感器的互谱估计与方位估计
It is rash to cross the street without looking both ways. 不朝两边看看就穿马路是莽撞的。
Cross and angry words in family grate upon the ear. 不高兴与生气的话在一个家庭里令人不愉快。
Measurement of structre-borne power flow by using cross spectrum method 弹性安装条件下机器结构声功率流的现场测量
The survey covered a broad spectrum of topic. 这本简史涉及的话题范围很广。
A mule is a cross between a horse and an ass. 骡是马和驴交配而生的杂种。
The Red Cross dealt out food to hungry soldiers. 红十字会把食物分发给饥饿的士兵。
This cross marks the spot where she died. 这个十字符号标明她死去的地点。
He made expiation for our sins on the cross. 他在十字架上为我们赎了罪。
Mind out for the traffic when you cross the road. 过马路要注意来往车辆。
Passengers mustn't cross the rails. 乘客不得横过铁路。
You had better cross out the last name. 你最好把最后一个名字划掉。
Red and violet are at opposite ends of the spectrum. 红色和紫色位于光谱相对的两端。
Don't be cross with the child for being late. 不要对迟到的孩子发脾气。
On maps, a cross is the symbol for a church. 在地图上，十字符号代表教堂。