1) multi plicatric imagine
倍乘象
2) Scalar multiplication
倍乘
1.
The authors introduce an efficient algorithm for scalar multiplication on elliptic curves defined overa general field.
本文给出了椭圆曲线群上直接计算2kP的一般算法,该算法与基域的特征无关,从P直接计算2kP,不需要计算中介点,比k次倍乘快,其实现效率与投射坐标下的算法相当。
3) optical multiplication
光学倍乘
1.
An absolute distance measurement system based on optical multiplication;
一种基于光学倍乘原理的绝对距离干涉测量系统
4) Frequency multiplication
乘法倍频
1.
This paper introduces the frequency multiplication(the MLT04 Four-Channels、Four-Quadrant Analogy Multiplier) circuits and the phase adjustment circuits in the data processor with the Photoelectrical rotary encoder.
介绍光电轴角编码器的数据处理装置中乘法倍频电路 (模拟乘法器MLT0 4 )和相位调整电路的实现 ,实验证明 ,采用四象限模拟乘法器对精码信号乘法倍频 ,经过倍频后的信号斜率增大 ,整个细分周期内误差变小 ,倍频方法在理论上不含高次谐波 ,可以提高莫尔条纹的高倍软件细分的细分精度。
2.
Frequency multiplication technology is combined with the phase-locked moire fringe subdivision method with the purpose of research on the practicability and subdivision precision of the moire fringe signal.
以研究实用性强、细分精度高的莫尔条纹信号细分方法为目的,采用乘法倍频技术与锁相式莫尔条纹信号细分方法相结合的新方案,通过理论分析与实验仿真,验证了该方案的可行性与实用性,可改善原始信号的质量,降低对光栅传感器输出信号正交性、等幅性等方面的要求,并能提高细分精度。
3.
In order to improve the quality of the grating senor output signal and enhance its practicability,the method combining the frequency multiplication with the phase-locking subdivision technology was presented.
为改善光栅传感器输出原始信号的质量,增强其实用性,提出将乘法倍频与锁相细分技术相结合的方法。
5) phase double
自乘倍相
1.
A responsive multiple frequency ranging system is designed by utilizing digital phase discrimination,based on FFT,and phase double principle.
利用基于FFT的数字鉴相方法和自乘倍相原理设计了一种应答式侧音测距系统。
6) tripling
[英]['tripl] [美]['trɪpḷ]
三倍乘
1.
The costs of tripling and doubling formulae are 6M+6S+4C and 2M+5S+3C respectively,while the costs are 6M+6S and 2M+5S respectively in some curves with suitably chosen parameters.
研究了y2=x3+ax2+2atx+at2和y2=x3+ax2+bx这两类椭圆曲线的点乘,得到了快速的三倍乘和倍乘公式,运算花费分别为6M+6S+4C和2M+5S+3C,其中M,S,C分别为有限域中的乘法,平方,常数乘法运算;对于特殊的参数选取,运算花费分别为6M+6S和2M+5S。
补充资料：后乘
1.从臣的车马。亦泛指随从在后面的车马。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条