While traditional ultrasound uses high-frequency sound waves to create a picture of what is going on it the body, elastrography goes a step further by gauging movement.
传统的超声应用高频率声波创建持续于人体中的图像，而弹性超声通过精确测量移动更进一步。
The Doppler spectral broadening due to nonstationary movement of target and radio-frequency clutter will decrease the veracity of target detection by high frequency ground wave (HFGW) radar.
海面低速目标的非均匀运动和射频瞬态干扰引起的多普勒谱展宽影响高频地波雷达检测目标的准确性。
The movement of vessels on the sea usually divide for low frequency movement that composes of wind, flow, two steps wave, and high-frequency movement that composes of a steps wave.
船舶在海面上的综合运动一般分为由风、流、二阶波浪力、推力器造成的低频运动和一阶波浪力造成的高频运动。
The high frequency data make the deeper study of microscopic market mechanism and movement mechanism available.
高频数据的获得使人们可对市场的微观结构和运行机制进行深入研究。
Fits for high-frequency mechanical transmission system, movement in active department operation conditions, driven department and active departments combined or separation.
合用于高频动作的机械传动系统，可在主动部门运转的情况下，使从动部门与主动部门结合或分离。
About GPS receiver, the research importance is high-dynamic receiver. The key is to solve the Doppler frequency shift caused by the high-speed movement of carrier.
在GPS接收机中，目前研究的重点是高动态环境下的接收机，其关键是解决载体高速运动给GPS接收机附加的多普勒频移问题。
This Unit has large load, low stroke frequency, long stroke, high efficiency environmental protection, compact structure, safety, good movement performance.
该机具有大载荷、低冲次、长冲程、高效节能环保和结构紧凑、可靠性高、运动性优的特点。
This Unit has large load, low stroke frequency, long stroke, high efficiency environmental protection, compact structure, safety, good movement performance.
该机具有大载荷、低冲次、长冲程、高效节能环保和结构紧凑、可靠性高、运动性优的特点。
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