对比变换 contrast variation
雅可比变换 Jacobi'stransformation
方差比变换 variance ratio transformation
变异数比变换 variance-ratio transformation
液压比变换装置 hydraulic ratio changer
电压比变换器 [电子] voltage comparison converter
比值变换 [测] ratio transformation ; Brovey transform
最大噪声比变换 Maximum Noise Fraction
焦距变换比率 Focal Length Ratio
茂比乌斯变换 linear fractional transformations
分析了模拟电压一频率比变换电路原理，给出了元件参数的设计要求及其计算方法。
After the analyses of circuit theory of analogue voltage-to-frequency ratio converter, the design requirement of component parameters and the calculation method are presented.
级联式BDC 具有：两部分可分别优化设计、功率密度高、适于大变比变换的应用等优点。
The two-stage BDC has the advantages of ZVS switching, high power density, convenient to optimum design and convenient to modularize.
那是傅里叶变换美妙的部分，但对于某些信号处理应用来说，带状矩阵可以比傅里叶变换更加高效。
That s part of what makes Fourier wonderful. Nonetheless, for some signal-processing applications, banded matrices could prove more efficient than the Fourier transform.
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