The velocity of wave is v=20m/s,and the motion function of a particle at a given point A is y=3*10-4cos 4πt. (1)The wave function (select point A as the origin) (2) The wave function (select point B which is 5m from A as the origin)...
Anyone who has watched the movement of waves on water can understand the wave equation, one of the most basic relationships in physics. The two parameters you need to calculate a wave's velocity are its frequency — the number of wave crests that pass a given point per second — and its ...
1、There is a sound wave,the frequency of the wave f=440Hz,and the velocity V=340m/s,Find the wavFind the wave length of the sound wave? 相关知识点: 试题来源: 解析 楼主,这个题的意思是:有个声波,频率为440赫兹,速度为340赫兹,求波长.波长(那个符号我打不出来)=V*T(周期)=V/f=340/...
多速度差模型及稳定性分析 2、The Film Velocity and Tension Control System s 胶片速度与张力控制系统 3、This paper proposes using multiple correlation analysis to analyze shear wave velocity. 本文提出采用多重相关分析来分析剪切波速度。4、Accuracy of measuring velocity improved by correlative a...
AIM: To evaluate the changes of shear-wave velocity(Vs) by acoustic radiation force impulse after treatment in chronic hepatitis C.METHODS: Eighty-seven patients with chronic hepatitis C were consecutively treated with combinations of interferon(IFN) plus ribavirin(RBV). Vs value(m/s) was measured...
are briefly introduced.The application of the wave velocity test technique as well as its effect in geotechnical engineering investigation and design is illustrated with practical examples.In the end,the arrangement of investigation means and the choosing of in-situ survey method in field measurement ...
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Therefore, the propagation velocity of the excitation wave is only dependent on the real-time water depth of the wave. In future studies, we aim to explore the relationships between these influencing factors and other physical parameters, such as the speed of wave propagation, using the effective...
velocity of wave group 波群速度相关短语 baud (信号速度单位) 波德 gal (加速度单位) 伽 Bentzel tube (测水流速度的) 本茨尔管 sympatric population (同地种群) 同地居群 soap bubble method (测定火焰基本速度的) 皂泡法 speech stretcher(对话速度减低装置) 语言拉长器 centimeter per second per second...
To analyze the velocity and wave intervals of endometrial wavelike activity in spontaneous menstrual cycles.Prospective observational ultrasound (US) evaluation of endometrial wavelike activity.University hospital.Endometrial wavelike activity, wave velocity, wave intervals.Twenty-three menstrual cycles were ev...