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。
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。
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.
利用电压空间矢量脉宽调制(SVPWM)信号变换控制功率变换器各开关器件的导通占空比，实现异步电动机的速度调节。
To improve the compression ratio, image quality and coding efficiency, an image coding algorithm based on wavelet transform and scalar vector quantization is presented.
针对标量量化压缩比小而向量量化压缩速度慢、图像复原效果不理想等弱点，提出了基于小波变换的分类量化图像编码算法(简称“分类量化编码”)。
In this paper, based on mode shape, the author put forward a new parameter-mode shape curvature ratio for detecting structure damages. And it is also the input vector of the neural network.
本文基于模态振型，提出一个新的用于结构损伤识别的参数——振型曲率比，并将之作为神经网络的输入向量。
Some energy based metrics, e. g. peak signal to noise ratio (PSNR), have some limitations while applied to vector map watermarking systems.
峰值信噪比(PSNR)等基于能量的度量指标在应用于矢量地图水印系统时具有一定的局限性。
The output voltage waveforms of matrix converter which is based on the space vector modulation are analysed under the unbalanced input voltage. A time-variant modulation ratio method is proposed.
在非对称输入电压情况下，对基于双空间矢量调制的矩阵变换器的输出电压波形进行了分析，提出了利用时变调制比改善输出电压波形的方法。
Along with the increase of the secondary flow pressure ratio, the shock move toward upstream divergent section and the thrust vector angle gradually increases;
次流压比的增加将导致激波向扩张段上游移动，且喷管矢量角不断增加；
Applying the vector representation of formula for definite proportional division point in vector algebra, this paper obtains a new useful method of compunction for segment ratio in volume ratio.
利用向量代数中定比分点公式的向量形式，给出了一种非常简明有用的求容积比中线段比的新方法。
By analyzing the basic principle of voltage space vector pulse width modulation (SVPWM), it is proved that the dc voltage utilization ratio of SVPWM is the highest.
在分析电压空间矢量调制(SVPWM)基本原理的基础上，证明了SVPWM具有最大的直流电压利用率。
And displays the structure endogenic force characteristic of these three kinds of different vector high ratio intuitively by the massive illustrations and forms.
并以大量的插图、表格直观地表现这三种不同矢高比时结构的内力特征。
The vector filtering method improves signal-to-noise ratio, furthermore the information integrity still obtains a better guarantee at the same time.
向量滤波法在提高信噪比的同时，信息的完整性得到较好保证。；
The vector filtering method improves signal-to-noise ratio, furthermore the information integrity still obtains a better guarantee at the same time.
向量滤波法在提高信噪比的同时，信息的完整性得到较好保证。；
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