system clock reference

基本解释

The fan rotation speed controlling system controls fan based on one reference clock.
一種風扇的轉速的控制系統，是根據一蓡考時鍾以控制風扇。
The paper introduces the system design and operation principle of the primary reference clock equipment.
介紹了基準時鍾的系統設計及工作原理。
Single frequency source is usually used as local oscillator in communication system and radar system, also as a reference clock in digital circuits, so it is a extensive-applied technique.
固定頻率源可以在在通訊系統和雷達系統中作爲本機振蕩器，也可以作爲數字電路的基準時鍾信號，因此得到了廣泛的應用。