zero-cross detection meaning in English
零交叉检波
Examples
- 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
详细介绍了反电动势过零检测、相位判断及相位补偿的原理及实现方法，并且为了在较宽范围内提高bldcm的调速性能，采用了数字式转速闭环控制。 - 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进行身份识别的技术,该技术的关键是虹膜特征提取和识别。基于虹膜图像的纹理特征,利用小波变换来提取虹膜图像的特征,本文提出了基于小波过零检测的循环二次编码的方法。