本文介绍了用阿特伍德机测量重力加速度的原理和测量方法。
In this paper, the principle and the method of measuring acceleration due to gravity with Atwood machine are introduced.
本文介绍了用粘滞阻力修正法和粘滞阴力互相抵消法来精确地测量重力加速度。
Methods for accurate gravitational acceleration measurement are presented, which are viscous force modified method and viscous force offset each other method.
本实验针对实验室用物理摆的特性,设计出另一种用物理摆测量重力加速的方法。
The experiment uses a trait of the physics pendulum and designs another method to measure the acceleration of gravity.
你知道,如果你想测量重力场,中某种东西的势能,你需要,在某处定义一个零点,对吧?
You know, if you want to measure the potential energy of something in a gravitational field, you have to define the zero somewhere, right, because it's arbitrary.
这使得当这颗卫星在大约255公里的海拔高度上围绕地球盘旋时,能以高的精度测量重力。
This allows gravity to be measured with great precision as the satellite circles Earth at an altitude of approximately 255 kilometres.
讨论了应用GPS测量重力点的大地高,从而获得地面点的扰动重力(或称纯重力异常)值这样新的重力边值条件,如何从理论与实际上确定重力场的问题。
This paper discusses the problem of gravity field determination by application of such a new gravity boundary condition as the disturbing gravity by use of GPS.
在第二次试验中,他们测量了重力对时钟内铝原子的维持时间(time -keeping)的影响。
In a second experiment, the team measured the effects of relativity on the time-keeping aluminum atoms inside the clocks.
这个任务包括一对孪生飞船,它们会进入绕月轨道工作几个月,测量关于重力场的一些前所未有的细节。
The mission consists of twinspacecraft that will enter tandem orbits around the Moon for severalmonths to measure the gravity field in unprecedented detail.
因此弹簧,一直可以用来测量,哦,一个物体,不管重力是多少。
So a spring always allows you to measure, uh, a mass even in the absence of gravity.
欧洲航天局的卫星Goce卫星,其目的是测量地球的重力场中前所未发现的细节,明年将发布的结果将用于监测海平面上升。
The European Space Agency's satellite GOCE, which is designed to measure Earth's gravity field in unprecedented detail, will publish results next year that will be used to help monitor sea level rise.
通过应用卫星重力测量仪器和追踪地震导致的地壳变形,地质学家能够准确的预测将要发生的地震会发生在什么地方(但不能测出什么时候发生)。
Geologists can accurately predict where (but not when) the next earthquake will happen by using satellite gravity measurements and tracing ground deformation caused by earthquakes.
还有“圣杯”的使命,孪生的飞船将会测量月球的重力场;
the GRAIL mission, twin spacecraft due to measure the Moon's gravitational field;
和别的卫星不同,它没有可能干扰重力测量的常规活动部件。
Unlike other satellites, it has none of the usual moving parts that could interfere with the gravity measurements.
此袖珍式电子秤采用测力传感器将重力信号转换成电信号来测量,并将测量结果进行数字显示。
This pocket type electronic balance adopts the dynamometry transducer to change the gravity signal into an electric signal measurement, and will measure the result and carry on the digital display.
最后,反求轨道误差和位系数误差对重力梯度测量值的影响。
Finally, the influence of orbital errors and potential coefficient errors on the gravity gradient measurements are conversely found out.
实例验证证明用布格修正法获得的重力值可以满足气压测量的准确度要求。
It has been verified by examples that the gravity used with Bouguer correction is enough accurate for atmospheric pressure measurement.
加速度传感器用来测量设备包括重力加速度在内的加速度。下面的代码说明了如何获取一个默认加速度传感器的对象。
An acceleration sensor measuresthe acceleration applied to the device, including the force of gravity. Thefollowing code shows you how to get an instance of the default accelerationsensor.
随着重力测量手段的进步和数据处理方法的优化,大范围高精度的重力数据的获取越来越方便、快捷。
With the progress of method of gravitation measurement and optimization of data processing method, it is more and more convenient and quick to get gravitation data.
从含有大量噪声的航空重力仪测量值中提取重力场信息,最常用的方法是使用低通滤波器。
One of the most popular approaches to extract the gravity field information from the much noisy measurement that observed by airborne gravimeter is lowpass filtering.
本文通过对航空重力测量数据的分析,建立起具有空间相关特性的空间协方差函数模型。
By the analysis of airborne gravity measurement data, this paper constructs a space covariance function model with spatial characteristics.
本文讨论了海潮对卫星重力测量的影响问题。
The problem of the ocean tide effect on satellite gravity is discussed.
井中重力测量具有受干扰因素少,精度高的优点,它在油气勘探中具有广阔的应用前景。
Because of less disturbance and higher accuracy borehole gravity measurement will find its wide application in hydrocarbon exploration.
根据拍摄结果,分别采用标尺测量、颗粒重力沉降特性和声波夹带特性计算颗粒粒径。
According to the pictures taken, particles diameters are evaluated by gravitational sedimentation, acoustic entrainment respectively, and measured by ruler.
GOCE及其传感器、仪表支持系统和控制元件,实际上构成了一个单一的综合重力测量装置。
GOCE, with its sensor, system of supporting instrumentation and control elements, actually forms a single composite gravity-measuring device.
对于全球重力场测量卫星而言,其姿态和轨道的保持精度直接影响着全球重力场测量的精度。
For the gravity field measurement of satellite, the maintained precision of the gravity field measurement satellites attitude and the orbit affect the measurement precision directly.
有些学科对重力测量资料的精度要求很高。
Some disciplines demand high accuracy of the data from gravimetric measurements.
卫星重力梯度测量任务将获取全球范围内高精度重力场信息。
High precise information of gravitational field over the whole Earth will be obtained by satellite gravity gradiometry.
卫星重力梯度测量任务将获取全球范围内高精度重力场信息。
High precise information of gravitational field over the whole Earth will be obtained by satellite gravity gradiometry.
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