frequency tracking的用法和樣例：
例句
- It also introduces some key technologies as measurement initialization and frequency tracking in signal processing of Coriolis flowmeter.
介紹科氏流量計信號處理中測量初始化和頻率跟蹤等幾個關鍵技術。 - A frequency tracking method is proposed.The synchronism sampling is achieved to improve the measuring precision of frequency and phase difference.
本文提出一種頻率跟蹤方法，可以在不過零開始採樣的情況下，實現整周期採樣，保證頻率和相位差測量的精度。
