观测恒星过中天（过观测站子午圈）时刻的一种天体测量仪器，又称子午仪。结构与子午环相似，但没有精密度盘。利用中星仪可以精确地测定恒星过中天的时刻，以求得恒星钟的钟差，从而确定世界时、恒星赤经和基本天文点的经度。
... transit operations运输过程 meridian transit中天；中星仪；子午仪 transit company转运公司；中转公司 ...
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... transit method中天法；凌日法；凌日变光的观测法 astronomical transit凌日；中星仪；子午仪 transit centre临时收容中心；临时安置所；转解中心 ...
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... 子午线下半部 lower branch of meridian 子午仪；中星仪 meridian instrument 子午仪系统 Transit system ...
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光电中星仪 [天] photoelectric transit instrument
折轴中星仪 [天] broken transit instrument
视距中星仪 tachymeter-transit
弯月形透镜中星仪 meniscus transit
地平中星仪 horizontal transit instrument ; mirror transit instrument
轻便中星仪 [天] portable transit
干涉式中星仪 interference transit instrument
卯酉面中星仪 prime vertical transit
子午仪中星仪 astronomical transit
针对单星测向定位中干涉仪设备复杂、卫星姿态测量要求高等不足，提出了一种基于多普勒变化率的单星无源定位方法。
Due to the complexity of the interferometers and high requirement of satellite attitude, a method of passive localization based on Doppler rate-of-change of single satellite channel is presented.
条带噪声在许多星载、机载多传感器和单传感器光谱仪成像中是一种很普遍的现象。
Band noise is a very common phenomenon in images of many space-borne multi-sensor, airborne multi-sensor and single sensor spectrometer.
研制了一台用于冷却红外多光谱扫描仪中多元红外探测器列阵的星载辐射制冷器。
A spaceborne radiant cooler for cooling multielement infrared detector array in infrared Multispectra Scanning System (IRMSS) is developed.
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