velocity log信息详情
航速计程仪
velocity───n.【物】速度
log───n.原木;(航海或飞行)日志;(定期或系统的)观察记录;船舶测速仪;对数;v.把(情况)载入航海(或飞行)日志;(船、飞机)达到(一定的航程、速度);(飞行员)飞行(一定的时间);对……作系统记录;采伐(林区)树木
velocity profile───速度剖面(图),速度分布图,速度变化图
muzzle velocity───初速;出口速度;初速度(弹出膛时的速度)
constant velocity───常速度,等速度; 恒速;匀速;等速度;恒速度
angular velocity───[力]角速度
cratering velocity───弹坑速度
velocity magnitude───速度大小
terminal velocity───[力]终极速度;自由沉降速度;终速,自由沉降速度
It is an effective way in integrated navigation by using Strapdown Inertial navigation System (SINS), GPS and Doppler Velocity Log (DVL).───利用捷联惯导(SINS)、GPS定位系统和多普勒计程仪(DVL)进行组合导航是水下运载器导航定位的有效方式。
seismic log and VSP velocity are accuracy, but determined velocity data of Wells on sections are little and insufficient to control the horizontal change of velocity.───地震测井和VSP测定的速度精度较高,但剖面上的井测定的速度资料很少,不足以控制速度的横向变化。
The amount of time for a wave to travel a certain distance, proportional to the reciprocal of velocity, typically measured in microseconds per foot by an acoustic log and symbolized by tor DT.───波在某段距离传播的时间,与速度的倒数成正比,在声测井中,以每英尺多少毫秒来量度,用符号t或DT表示。
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