In this paper, the principle and primary results of measure ultrasonic sound velocity and attenuation coefficient by ultrasonic syntonic method are introduced.
本文介绍利用超声共振法测量声速和声衰减系数的原理及自来水和乙醇的测量结果。
Hyperbolic velocity filtering and similar coefficient method are introduced to remove the influences resulting from end-point effect and alias.
为了消除端点和假频影响,文中采用了双曲线速度滤波法和相似系数法。
Using position data to obtain velocity parameters of object through differential coefficient is a general method in range.
通过对定位数据求微分以获得目标的速度参数,是靶场估计目标运动参数的常用方法。
On the basis of the principle of range-Doppler coupling of linear frequency modulation signal, a new method of radial velocity estimation for high coupling coefficient is presented.
本文在分析了线性调频信号距离—多普勒耦合原理的基础上,提出了一种高耦合系数条件下径向速度估计的新方法。
This can be resolved through calibrating the continuous monitoring system by reference method, and calculating the velocity field coefficient.
通过用参比方法对连续监测系统流速测定值进行校准,求出该监测断面的速度场系数。
This can be resolved through calibrating the continuous monitoring system by reference method, and calculating the velocity field coefficient.
通过用参比方法对连续监测系统流速测定值进行校准,求出该监测断面的速度场系数。
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