As one method of image lossy compression vector quantization has great compression ratio.
作为图像有损压缩的方法之一，矢量量化的压缩比极大。
2
In this paper, the concept of synthesized voltage vector is introduced into duty ratio control technique.
文中将合成电压矢量的思想引入到占空比控制技术中。
3
Using space vector pulse-width modulation (SVPWM) signal transformation method, speed regulation of induction motor is implemented by controlling the duty ratio of every converter switch.