例句與造句

1. This topic discusses the back - emf zero - crossing detection , the method of phase judging and compensation in detail . in order to improve the speeding performance we adopt the digital closed - loop speed control strategy
   詳細(xì)介紹了反電動(dòng)勢(shì)過(guò)零檢測(cè)、相位判斷及相位補(bǔ)償?shù)脑砑皩?shí)現(xiàn)方法，并且為了在較寬范圍內(nèi)提高bldcm的調(diào)速性能，采用了數(shù)字式轉(zhuǎn)速閉環(huán)控制。
2. The technology of identification based on iris is researched in the article , the key point of the technology is the iris characteristic acquisition and recognition , therefore based on the iris image texture characteristic , using the wavelet transforms to get the characteristic of iris image , a new method named zero - crossing detection and secondary circle coding is used in the article
   本文研究的就是用虹膜進(jìn)行身份識(shí)別的技術(shù),該技術(shù)的關(guān)鍵是虹膜特征提取和識(shí)別?；诤缒D像的紋理特征,利用小波變換來(lái)提取虹膜圖像的特征,本文提出了基于小波過(guò)零檢測(cè)的循環(huán)二次編碼的方法。
3. It's difficult to find zero-cross detection in a sentence. 用zero-cross detection造句挺難的