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- The zero crossing signal of the true phase back EMF can be directly obtained from the motor terminal voltage by properly choosing the PWM and switch control strategy. 該方法不需要引出電機中性點(diǎn),通過(guò)選擇PWM和導通控制策略,就能直接從電機端電壓獲得反電勢過(guò)零點(diǎn)信號。
- It is rash to cross the street without looking both ways. 不朝兩邊看看就穿馬路是莽撞的。
- Before the traffic signal turns to green light don't cross the street. 在交通信號輪換到綠燈以前不要穿過(guò)馬路。
- Cross and angry words in family grate upon the ear. 不高興與生氣的話(huà)在一個(gè)家庭里令人不愉快。
- A red light is usually a signal of danger. 紅燈通常是危險的信號。
- A mule is a cross between a horse and an ass. 騾是馬和驢交配而生的雜種。
- The Red Cross dealt out food to hungry soldiers. 紅十字會(huì )把食物分發(fā)給饑餓的士兵。
- I stood watching for the signal to change to green. 我站著(zhù)等待交通信號轉為綠燈。
- This cross marks the spot where she died. 這個(gè)十字符號標明她死去的地點(diǎn)。
- Let's set the clock by the radio time signal. 咱們照著(zhù)收音機的報時(shí)信號把鐘對一對。
- He made expiation for our sins on the cross. 他在十字架上為我們贖了罪。
- Mind out for the traffic when you cross the road. 過(guò)馬路要注意來(lái)往車(chē)輛。
- A red lamp is often a danger signal. 紅燈常常是危險的信號。
- A reflected signal on a communication channel. 一種在通信信道上反射回來(lái)的信號。
- The rise in prices was a signal for rebellion. 物價(jià)上漲引起了叛亂。
- Passengers mustn't cross the rails. 乘客不得橫過(guò)鐵路。
- You had better cross out the last name. 你最好把最后一個(gè)名字劃掉。
- Highway level crossing signal control panel 道口信號控制盤(pán)
- Don't be cross with the child for being late. 不要對遲到的孩子發(fā)脾氣。
- On maps, a cross is the symbol for a church. 在地圖上，十字符號代表教堂。
