结果表明,两种自主导航方法的轨道估计精度满足深空巡航段的要求。
The estimation accuracy of the orbit is demonstrated to meet the requirement of the deep space cruise phase.
研究表明更高的温度估计依据于温室排放在本世纪将继续沿着现行的轨道继续下去的预测。
The study's higher temperature estimate is based on the idea that greenhouse emissions will continue along the current trajectory through the century.
即使宇宙中还有很多别的恒星系,能够恰好处在足以支持生命的轨道的行星估计也寥寥无几。
Even if many other stars have solar systems too, planets that happen to orbit in just the right place to support life could be pretty rare.
相比之下在开普勒-10轨道中发现的那颗行星其轨道周长只有20小时,而且密度很高以至于研究员估计行星内部是由铁组成的。
The planet orbiting Kepler 10, by contrast, has an orbital period of a mere 20 hours and is so dense that it is probably made of iron.
连续波雷达是目前外火箭轨道测量的主要高精度设备,用数学方法估计和修正其系统误差有特别重要的意义。
The continuous wave radar is the main tracking equipment for trajectory observing at present. Estimation and calibration of system errors have important significance.
自动化的检测软件检测到存储每个卫星,碎片和流星视频剪辑,并提供估计的,高度和轨道倾角。
The automated detection software stores video clips of each detected satellite, debris, and meteor and provides estimates of the, altitude and inclination of the orbits.
由于滤波器参数随地形进行调整,其性能优于仅仅依赖轨道参数或平坦地球相位估计的固定带宽非自适应滤波器。
Adjusting the filter parameters according to the local topography, the adaptive filter performs better than the fixed bandwidth non-adaptive one designed through flat earth phase estimation.
设计扩展卡尔曼滤波器进行卫星编队轨道状态估计,数学仿真结果验证了这种导航方案和算法的有效性。
The orbit states estimation is achieved through the extended Kalman filters design. The simulation results verify the validity of this navigation method, and show preferable navigation accuracy.
本文将一种有效的自适应滤波方案成功地应用于地球同步卫星轨道交会时的状态估计与参数估计之中。
An efficient adaptive filtering scheme is successfully used in the state and parameter estimation for the orbital rendezvous of earth synchronous satellites.
以同步生成的模拟精度序列为参照,就掩星观测中电离层延迟对LEO卫星轨道误差的响应程度进行了估计和分析。
With the simultaneously generated precision series, the response of ionospheric phase delay to the LEO satellite orbit biases is assessed and analyzed.
我们都像有轨电车一样,行驶在各自的轨道上,从一个终点到另一个终点,就连乘客的数目也能估计个八九不离十。
We were like tram-cars running on their lines from terminus to terminus, and it was possible to calculate within small limits the number of passengers they would carry.
这一结果支持了目前无线电掩星定性误差估计研究中通常引入卫星圆轨道假设这个近似处理方法的合理性;
On one hand, this result supports those researchers who are engaged in qualitative error sources analyses are liable to employ circular orbit assumptions;
这块太空石头的大小估计有400米,刚好自月球绕地球轨道内滑过。
The space rock, estimated to be about 400 meters across, coasted by just inside the orbit of Earth's Moon.
分别对上述三种情况下的杂散电流的危险性做出了估计。分析了轨道对地电位分布的理论及实测曲线。
The possible hazards arising from stray current under the three conditions mentioned above have been assessed respectively.
分别对上述三种情况下的杂散电流的危险性做出了估计。分析了轨道对地电位分布的理论及实测曲线。
The possible hazards arising from stray current under the three conditions mentioned above have been assessed respectively.
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