English translation for "质量因子"
|
- factor of merit
- Example Sentences:
| 1. | The q, or quality factor, of an oscillatory system is a very widely used term . 一个振动系统的Q,即质量因子,是一个应用极广的概念。 | | 2. | The q , or quality factor , of an oscillatory system is a very widely used term 一个振动系统的q ,即质量因子,是一个应用极广的概念。 | | 3. | An experimental approach is given for the measurement of the beam quality factors of an ingaas / algaas sch dqw laser 本文还通过实验测量了ingaas algaasschdqw激光器的光束质量因子m ~ 2 。 | | 4. | It has been shown that the m2 values of semiconductor lasers , which are defined by the second moments , are always larger than unity 理论和实验结果表明,在二阶矩的定义下,半导体激光光束的质量因子总是大于1的。 | | 5. | Secondly , considering the time characteristic of data warehouse , add theory of data evolument , refer the concept of quality factor and optimize the system of quality measure 其次,考虑到数据仓库的时间特性,加入了数据演化的理论,提出了质量因子的概念,对质量评价体系进行了优化。 | | 6. | The beam quality factor m2 is now widely used to characterize the quality of laser radiation . the comprehensive analysis and accurate calculations for the beam quality factors of the semiconductor lasers with different waveguide structures are provided based on the non - paraxial second - moment theory 本文基于非傍轴二阶矩理论,全面的分析了半导体激光光束的光束质量因子m ~ 2 ,并计算了不同波导结构的半导体激光光束的质量因子,给出其精确的解析表达式。 | | 7. | Based on the previous work and current research , we have made the following work : ( 1 ) for robustness against jpeg compression , we analyze the invariant properties theorem during jpeg compression which was proposed in previous work , then proposed an improved scheme . based on those work , we design a watermarking algorithm , which has robustness against jpeg compression with common quality factor . in addition , the proposed algorithm can perfectly detect the watermarks without degrading the visual quality of original image 根据不同的应用需求设计相应的水印算法是鲁棒性水印的研究方向,根据这些特点,本文在前人研究的基础上,完成了以下工作: ( 1 )本文就抗jpeg压缩的水印设计进行了研究,通过分析前人提出的jpeg压缩不变性原理,发现了其在实际应用中会出现的问题,并对之提出了改进的方案,在此基础上,设计了一种水印算法,可以对所有常用质量因子的jpeg压缩都免疫。 | | 8. | Chapter 4 : applying the definitions of the generalized second and fourth order moments , the beam propagation m2 - factor and the kurtosis parameter of coherent and incoherent combinations of two - dimensional off - axis elegant hermite - gaussian ( ehg ) beams are derived analytically and numerically . and the power in bucket ( pib ) is also presented numerically . our results illustrate the propagation properties of the beam through a first - order optical abcd system 第四章:讨论了相干和非相干离轴完美厄密高斯( eleganthermitegaussian ( ehg ) )光束组的传输特性,通过解析推导和数值模拟,研究了相干和非相干的离轴ehg光束组的传输,得出并比较了相干和非相干的离轴ehg光束组的光束质量因子、陡峭度和筒内的功率( powerinbucket ) 。 | | 9. | Chapter 2 : using a so - called variance matrix , we studied the propagation and the focusing characteristics of the paraxial light beams . the quantities characterizing the gross features for a paraxial optical beam , such as the beam width , the divergence , the curvature radius of the wavefront , the complex beam parameter q . and the beam quality factor , are related by using variance matrix 第二章:阐述了常数折射率介质中光束的传输和聚焦,建立了表征傍轴光束总的特征的量,如:束宽、衍射发散角、波前曲率半径、复光束参数q与变换矩阵的关系,得到了光束质量因子和变换矩阵行列式的定量关系。 | | 10. | This paper chooses the indicators of economy and land quality input which has influence on the output , depending on cd - productive function to establish the function between input and output : y : productive forces of the cultivated land f : input of the fertilizer and agricultural chemical i : input of the irrigation l : input of the labor q : input of the land quality a : the level of average management t : the level of changing management a , b , c , d , f : productive elasticity coefficient the factor of the land quality includes texture , content of the organic matter , degree of the pickled , the structure of the soil 本项研究选择了影响农用地总产出的经济投入指标和土地质量投入指标,借助c - d生产函数,建立土地投入产出的函数关系: y = a ? e ~ ( ft ) ? f ~ a ? i ~ b ? l ~ c ? q ~ dy为以土地总产值表示的土地生产力f为化肥和农药的投入i为灌溉投入,即灌溉所需用的水电费l为劳动力投入(考虑了农业机械投入的修正) q为土地质量投入a为平均管理水平t为变化的管理水平a 、 b 、 c 、 d 、 f分别为各相应生产要素的产出弹性系数其中,土地质量因子包括表土质地( t人有机质含量瞩入盐渍化程度px土体构型p )等。他们之间的关系为: q ( a ; xt a 。 |
- Similar Words:
- "质量异议" English translation, "质量因数" English translation, "质量因数计" English translation, "质量因素" English translation, "质量因素比" English translation, "质量因子,品质因子" English translation, "质量引力" English translation, "质量引力垂线" English translation, "质量赢得定单标准" English translation, "质量盈余" English translation
|
|
|