赤纬

duì chì wěi kòng zhì xì tǒng bù xū bǎ héng xīng shí tiáo zhì dào xuán zhuǎn biàn yā qì jī cí xìn hào zhōng qu

对赤纬控制系统，不需把恒星时调制到旋转变压器激磁信号中去。

For the declination control system there is no need of modulating sidereal time into the signal which excites the resolver stator windings.