matrix n. (pl. matrices 或matrixes) 1.【解剖学】子宫;母体;发源地,策源地,摇篮;【生物学】衬质细胞;间质;基质;母质。 2. 【矿物】母岩;脉石;【冶金】基体;【地质学;地理学】脉石;填质;杂矿石。 3. 【印刷】字模;型版,纸型;铸型,阴模。 4.【阵】(矩)阵,方阵;母式;【物理学】间架;【无线电】矩阵变换电路。 5.【染】原色〔红黄蓝白黑五种〕。 the matrix of a nail 【解剖学】指甲床。
theory n. 1.理论,学理,原理。 2.学说,论说 (opp. hypothesis)。 3.推测,揣度。 4.〔口语〕见解,意见。 the theory of two points 两点论。 Darwin's theory of evolution 达尔文的进化论。 theory of equations 【数学】方程论。 theory of everything 【物理学】(把相对论、量子论和宇宙大爆炸理论都包括在内的)万用理论。 theory of relativity 【物理学】相对论。 the atomic theory 原子说。 Our scheme is good both in theory and in practice. 我们的方案在理论上和实施上都是好的。 combine [separate] theory with [from] practice 理论结合[脱离]实际。 My theory is that we must bring new blood into the Institute through appointment of younger men to important positions. 我的意见是我们学院应该通过重用年轻一些的人来注入新的血液。 theory of games 博弈论,对策论,权衡利弊得失的形势分析。
It is has been known that the energy spectra statistic of a chaotic system agrees with wigner distribution which is achieved from random matrix theory and the one of a integrable system is poisson distribution achieved originally from the irregular spectra 一个经典混沌系统的量子能谱统计分布满足由随机矩阵理论所导出的winger分布,而可积系统满足无规能谱的统计分布即泊松分布。
At last it does an analyze about the enterprise ' s using a chance and eluding the risk based on the efe matrix theory under the exterior conditions and comes to the enterprise ' s holistic material numerical value to analyze its material predominance and inferior position 最后根据外部因素评价( efe )矩阵理论,对企业在外部环境下的利用机会和规避风险能力进行分析,得出企业具体的优、劣势。
Combined the topological relation of suspen - dome and the concept of overall feasible pre - stress , by using the equilibrium matrix theory method and linear static method , the problem of distribution of initial pre - stress of suspen - dome is simplified 结合整体可行预应力的概念,并考虑结构自身的拓扑关系,采用平衡矩阵理论方法和线性静力分析法,对弦支穹顶结构的初始预应力分布的确定进行简化。
The result of digital simulation illustrate that applying l - d factorization which is famous in matrix theory into federated filter to get the correct result of inverse can not only improve the speed and precision of algorithm hut meliorate its error toleration 经过数字仿真,把矩阵分析中的l - d分解算法运用到联邦卡尔曼滤波中的矩阵求逆当中能得到良好的效果,不但运算速度和精度有提高,整个滤波算法的容错性也有明显改善。
In chapter 1 , the paper supply us with some basic concepts and related results of matrices theory which was included in the paper , and mainly contains irreducible , weakly irreducible and their property , generalized diagonally dominant matrices * m - matrices and their property 全文共分三章:第一章给出了本文所用到的关于矩阵理论中的一些基本概念及相关结果。主要是矩阵的不可约、弱不可约及其相关性质:广义对角占优矩阵、 m -矩阵及其相关性质。
The relationships between extinction - ration , half - wave voltage and electrode structure have been analyzed with transfer matrix theory and effective index method . the following conclusions have been made : 1 ) . the electrode width can be optimized to get the lowest half - wave voltage of boa - type optical switch 我们设计的集总电极型boa光开关理论3db调制带宽大于2 . 5ghz ,半波电压为5v ,消光比大于40db ,对tm模的理论衰减大于45db ,而对te模的损耗小于0 . 15db 。
The key components in laser gyro is he - ne ring laser , and the reciprocal action theory between light and medium is the base in studying the ring laser , use the lamb half classical theory , and on the base of density matrix theory , the optical brounch equation was established , which described the movement of amplifying medium atom in the ring syntonic cavity , and according to the medium polarize theory the self consistent equations was deduced , which describe the light intensity and phasic of the counter - propagating wave . on the basis of this equations , adopted the simulation software matlab and virtual instrument programming language labwindows / cvi , we can do some simulated experiments in study the phenomenas such as amplify and dispersive characteristic of medium , mode pushing effection , burned hole effection and pattern competition , lock - in of frequency and the characteristic of light intensity and phasic of the counter - propagating wave in laser gyro 激光陀螺的核心部件为he - ne环形激光器,而掌握光与介质的相互作用理论是研究激光器的关键,采用拉姆半经典理论为主,在密度矩阵理论的基础上,推导环形谐振腔中描述he - ne气体增益介质原子运动的光学布洛赫方程,运用介质极化理论得出描述激光陀螺反向行波的光强、位相所满足的自洽场方程组,在此基础上,运用matlab仿真软件和虚拟仪器编程语言labwindows / cvi ,对激光陀螺中的介质增益色散特性、频率牵引效应、烧孔效应及模竞争、闭锁效应及环激光的光强和相位特性进行仿真试验研究,并且运用全量子理论,对激光工作原理进行分析,得出二能级系统单模辐射场的光子数密度分布,得出激光场的光子统计分布,仿真激光场的动态建立过程。
3 . the coupled - mode theory and matrix theory of lpfg have been studied . based on the erbium - doped fiber which has been chosen for edsfs , smf - 28 of corning corporation and photosensitive fiber of coractive corporation , the optimum fiber grating period , length , the maximum cross transmission wavelength and the relation 3 .推导长周期光纤光栅耦合模理论及矩阵理论,结合几种不同的光纤,包括课题中的掺铒光纤、 corning公司的smf - 28单模光纤及加拿大coractive公司的光敏光纤,利用matlab7建模并结合已确定的长周期光纤光栅的透射谱来优化长周期光纤光栅周期、长度、谐振波长等几个参数及它们之间的关系,用来指导和优化光纤光栅的制作。