例句與造句

1. Firstly , a system was developed in functions to collect infrasound data , to transform analog voltage signal from detector into discrete signal by a / d card and to process the data by using methods of digital signal process
   首先設(shè)計(jì)一套數(shù)據(jù)采集系統(tǒng)，次聲波信號(hào)通過(guò)傳感器被轉(zhuǎn)換成模擬電壓信號(hào)，通過(guò)a d板將其轉(zhuǎn)換為離散的數(shù)字序列，輸入計(jì)算機(jī)。利用數(shù)字信號(hào)處理的原理和方法對(duì)異常次聲信號(hào)進(jìn)行分析處理。
2. When it works , the system receives analog voltage signals produced by fruits from a pressure sensor , and these signals are sent to an a / d converter after they are amplified and filtered by the signal adjustment circuit . then , these analog voltage signals are converted to digital signals , which are sent to at89c51 microcomputer . after digital signals processed by the system software , every fruit ' s sorting level is deduced
   工作時(shí)，系統(tǒng)通過(guò)壓敏式壓力傳感器采集水果重量產(chǎn)生的電壓模擬信號(hào)，將該信號(hào)放大、濾波后，送入a d轉(zhuǎn)換器，轉(zhuǎn)換后的數(shù)字信號(hào)進(jìn)入at89c51單片機(jī)，經(jīng)系統(tǒng)軟件進(jìn)行運(yùn)算處理后，得出水果所屬分選等級(jí)，并向分選開(kāi)關(guān)發(fā)出開(kāi)關(guān)量信號(hào)，實(shí)現(xiàn)對(duì)水果的動(dòng)態(tài)稱重和實(shí)時(shí)分選控制。
3. It's difficult to find analog voltage signal in a sentence. 用analog voltage signal造句挺難的