地球自转角速度
- 网络rotational angular velocity of the earth
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介绍了三线阵CCD传感器的成像原理,分析了由于地球自转角速度的存在而产生三线阵CCD传感器像移的机理。
A brief introduction of the theory of three-lines CCD camera is proposed and the mechanism of image motion loss of Three-lines CCD camera on account of earth rotation is presented .
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离心惯性力变化引起的应力其主方向为SN向和EW向,应力的大小随着地球自转角速度的持续增加而积累,其量级可能达到几十到几百兆帕或更大。
The principal stress resulting from the change of centrifugal inertial force is South North and East West oriented , and the magnitude of the stress may reach to tens to several hundreds MPa .
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地球自转角速度的变化与脉冲星的周期变率
The variations in the angular velocity of the earth rotation and the rate of change of the PULSAR PERIOD
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在上、下中天观测,地球自转角速度的变化对脉冲星的周期变率的影响较大。
While observing at upper or lower culmination the effect on the rate of change of the pulsar period becomes larger .
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地球自转角速度的变化对脉冲星周期变率影响的数值,取决于脉冲星的赤纬和观测台站的纬度;
The magnitude of the effect on the rate of change of pulsar period depends on the declination of the pulsar and the latitude of the observing station .
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应用微扰论的方法对落体偏东进行研究,给出了在地球自转角速度一级近似下的计算公式。
By using perturbation mode , we study the free falling eastward body , and present the first approximate calculation formula of the rotation angular velocity of the earth .
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捷联寻北仪采用中等精度两自由度动力调谐速率陀螺仪,来感测地球自转角速度在两个水平方向的分量,从而确定地理北向。
Two-freedom dynamical tuned gyro with moderate accuracy are adopted in strapdown north seeking system which is used to measure two components of the earth angular rate , so that the north direction can be determined .
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论文主要讨论自对准方法,即利用惯性导航系统本身的加速度计和陀螺仪测量的重力加速度和地球自转角速度信息进行自主式对准的方法。
The thesis discusses the self-alignment , in other words , the method of utilizing the acceleration rate of the system itself , gravity force measured by gyro , and rotation information of the earth to achieve independent alignment .
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将一环形激光陀螺垂直安装在水平的恒速转台上,使输入轴与台面平行,通过测量地球自转角速度的北向分量,实现寻北过程。
A ring laser gyroscope is vertically placed on horizontal constant-speed rotary platform and the input shaft is parallel to the platform plane . The north-seeking procedure can be carried out through measuring the northern component of earth rotational angular speed .
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地球自转角速度变化引起离心惯性力变化,而离心惯性力法向应力分量变化引起的地壳水平应力远远大于离心惯性力水平应力分量变化所导致的地壳水平应力。
The centrifugal inertial force is caused by the change of angular velocity of earth rotation , and the horizontal stress of earth crust caused by the change of normal stress component is much larger than that caused by the change of horiZontal stress component of centrifugal inertial fofr .
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其基本参数包括椭球体长/短半轴和体扁率、地球引力常数及自转角速度等。
Its basic parameters include long / short half axis , spheriform oblateness , gravitational constant G and self-rotating angular velocity of the earth .
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随着潮汐摩擦力和地球体积的增大,地球自转角速度变慢。
Because of tidal friction and aggrandizement of the earth 's volume , the earth 's rotation angular velocity slows down .