例句與用法

1. Cross - correlation flowmeter
   互相關流量計
2. By the introduction of cross - correlation technology and ultrasonic transducer , the ultrasonic flow measurement system can be developed , and the un - contact flow measurement of two - phase flow can be realized , therefore the research of the ultrasonic cross - correlation flowmeter is a subject that has great significance
   以互相關技術為基礎，采用超聲波換能器構成超聲流量測量系統，可以實現兩相流的非接觸測量，因而超聲相關流量計的研究是一項有重大意義的課題。
3. Based on the principle of the ultrasonic cross - correlation flowmeter , the key factor of the development of cross - correlation flowmeter , namely the design of cross - correlator , is analyzed in the paper . digital signal processing is introduced to design the flowmeter , the cross - correlation operation of random noise signal is dealt with inside the frequency field , and the digital cross - correlator is designed
   本文從超聲相關流量計的工作原理出發，分析了超聲相關流量計研制的關鍵因素，即相關器的設計，并將數字信號處理技術引入了超聲相關流量計的設計，在頻域內對流動隨機噪聲信號進行相關處理，構造了數字相關器。