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。
应用推荐