1)pseudospectra伪谱
1.As a natural extension of the idea of spectra, pseudospectra is a new tool for nonnormal system.作为谱的自然延伸,伪谱是一个针对非正规系统的新工具。
2.In this paper, we discussed eleven theorems involving e - pseudospectra that each generalize a familiar eigenvalue theorem.该文讨论了6个包含ε-伪谱的定理,每个定理都是对熟悉的特征值定理的推广,这些定理在以前还没有用伪谱的语言叙述过。
3.In this paper,we provide two new methods to compute pseudospectra:exclusion regions and remotion p.常用的格子SVD法在精确计算矩阵A的ε-伪谱Λ_ε(A)时,需要将感兴趣的区域作细网格划分,在每一个网格点处计算σ_(min)(zI-A),并根据该值的大小判断该网格点是否位于Λ_ε(A)伪谱曲线上,其计算量往往很大。
英文短句/例句
1.STUDY OF PSEUDO-SPECTRAL METHODS FOR A CLASS OF SOLUTIONS OF 2D NAVIER-STOKES EQUATIONS;伪谱法对一类二维Navier-Stokes方程解的研究
2.Application of Pseudo-spectral Method in Rapid Orbit Optimization for SGKW伪谱法在SGKW轨道快速优化中的应用
3.Study of Some Key Problems of the Multidomain Pseudospectral Time-Domain Algorithm and Its Applications;多区域时域伪谱算法关键问题研究及其应用
4.Study, Improving and Application of Pseudospectral Time-domain (PSTD) Algorithm Used in Transient Electromagnetic Field;瞬态电磁脉冲的时域伪谱方法：研究、改进及应用
5.Wavefield Simulation with the Pseudo-Spectral Method in Anisotropic Viscoelastic and Porous Media;各向异性粘弹性孔隙介质伪谱法波场正演模拟
6.The Application of Pseudo-spectral Forward Modeling of Seismic Wave Field in Visco-elastic Medium;伪谱法在粘弹介质地震波场正演模拟中的应用
7.Spectral Imaging of Green Coating Camouflage Under Hyperspectral Detection高光谱探测绿色涂料伪装的光谱成像研究
8.POWER SPECTRUM ANALYSIS OF PN COMBINED CODE DIGITAL MODULATION WAVEFORMS伪随机复码数字调制波的功率谱分析
9.Analysis of the proteins two-dimensional electrophoresis maps and research on authenticity of eggs sold in the markets市售鸡蛋蛋白质图谱分析与真伪调查
10.Study on HPLC Fingerprint of Syngnathus and Its Adulterants海龙药材及其伪品的HPLC指纹图谱研究
11.Period Estimation of PN Sequence Based on Spectrum of DS-UWB SignalDS-UWB信号伪码周期的谱估计
12.A New Adulteration Detection Method on Edible Vegetable Oils by Gas Chromatography常见植物油鉴别及掺伪的气相色谱新检测法
13.Study on Adulteration of Fatty Acid in Edible Vegetable Oils by high resolution GC食用植物油掺伪的高分辨气相色谱研究
14.PN Sequence Period Estimation of DS/SS Signals Based on the Improved Cepstrum Approach;基于改进倒谱法的直扩信号伪码周期估计
15.A Study of Adulterated Peanut Oil with Gas Chromatography;气相色谱法测定花生油掺伪的方法研究
16.Research on How to Discriminate Gingili Adulteration Phenomenon with GC Polt-wise;气相色谱指纹图法鉴别芝麻油掺伪研究
17.Study on Adulterated Edible Vegetable Oil with Gas-Chromatograph;掺伪食用植物油气相色谱测定方法研究
18.The Synthesis Technology and Application Research of Pseudo-random and Broad-spectrum Complex-frequency Signals伪随机广谱复合频率信号合成技术与应用研究
相关短句/例句
pseudopolarogram伪极谱法
1.The speiation of the complexex for Pb~(2+) in NaF System was studied by using the method of the pseudopolarogram.采用阳极溶出伏安技术（ASV）──伪极谱法研究了铅在氟化物体系中的存在状态。
3)pseudo-spectral method伪谱法
1.Using the pseudo-spectral method for wave field numerical modeling of complex heterogeneous medium;复杂非均匀介质伪谱法波场数值模拟
2.Wavefield forward modeling with the pseudo-spectral method in viscoelastic and azimuthally anisotropic media;各向异性黏弹性介质伪谱法波场模拟
3.Features analysis of seismic wave field in two-phase anisotropic random medium with the pseudo-spectral method双相各向异性随机介质伪谱法地震波场特征分析
4)Cadmium[英]['k?dmi?m][美]['k?dm??m]伪极谱
1.Determination of the Consecutive Formation Constants of Complexes for Cadmium in Sodium Fluoride System from Pseudo-polarogram Data;伪极谱法对镉氟配合物积累稳定常数的测定
5)pseudo-spectral method伪谱方法
1.A numerical wave model is developed to simulate freak wave generation,which is based on the modified four-order nonlinear Schrdinger equation governing the slow variation of complex envelope in deep water and a standard split-step,pseudo-spectral method.基于控制深水复波包演化的修正的四阶非线性薛定谔方程和离散时间步长的伪谱方法,建立了畸形波生成的数值模型,模拟了边带扰动初始条件下满足边带不稳定性条件时波列的演化,统计了演化过程中生成的畸形波,并对该过程中谱成分能量的变化进行了分析。
2.Based on pseudo-spectral method,this article calculates focusing and active sonar of time reversal in shallow water environment and introduces evolution process of forward modeling sound field distribution and back analysis sound field distribution for noise source frequency of 100Hertz.本文基于伪谱方法对浅海波导环境中的时间反演聚焦和时间反演主动声纳进行了计算,给出了声源频率为100Hz的正演和反演声场分布的演化过程。
3.In this paper,the four-order nonlinear Schrodinger equations and the pseudo-spectral method are introduced to develop a 2-D numerical water flume based on the Benjamin-Feir instability of random wave trains,which is adopted to simulate the freak waves in deep water.通过引入四阶非线性薛定谔方程,基于随机波列演化的Benjamin-Feir不稳定性,采用伪谱方法建立了二维深水波浪数值水槽来模拟海洋中的畸形波现象。
6)pseudospectral algorithm伪谱算法
1.The Legendre pseudospectral algorithm is used to acquire an optimal trajectory to guide the subsatellite into a final position close to the spaceship under mission-related constraints.应用Legendre伪谱算法,将连续时间最优控制问题离散化,进而利用非线性规划方法进行求解,通过数值模拟验证了方法的有效性。
延伸阅读
氨酚美伪麻片与苯酚伪麻片（日药物名称：氨酚美伪麻片与苯酚伪麻片（日、夜片）英文名： Compound Pseudoephedrine Hydrochloride Day & Night Tablets汉语拼音：主要成分：日用片：对乙酰氨基酚、盐酸伪麻黄碱、氢溴酸右美沙芬。 夜用片：对乙酰氨基酚、盐酸伪麻黄碱、盐酸苯海拉明。性状：日用片为黄色片，夜用片为蓝色片药理作用：本复方中的对乙酰氨基酚具有解热镇痛作用；盐酸伪麻黄碱具有选择性收缩上呼吸道毛细血管作用，可减轻鼻咽部粘膜充血、缓解鼻塞症状；氢溴酸右美沙芬具有止咳作用；盐酸苯海拉明具有阻断H1受体作用，可对抗组胺引起的微血管扩张和毛细血管通透性增加并具有较强的镇静作用。日用片服用后不会引起嗜睡；夜用片中含适量的盐酸苯海拉明，可能有助于患者睡眠。药代动力学：适应症：适用于治疗和减轻感冒引起的发热、头痛、周身四肢酸痛、喷嚏、流涕、鼻塞、咳嗽等症状。用法与用量：口服 日用片：成人和12岁以上儿童，白天每6小时服1片，一日2次。 夜用片：成人和12岁以上儿童，夜晚或临睡前服1片。 12岁以下儿童及60岁以上老年患者请遵医嘱。不良反应：有时有轻度头晕、乏力、恶心、上腹不适、口干和食欲不振等，可自行恢复。禁忌症：对抗组胺药和对乙酰氨基酚过敏者禁用。注意事项： 1.每天服用日片和夜片总量不宜超过4片，每次服用间隔不宜小于6小时。不可超过推荐剂量，若超过剂量，可能出现头晕、嗜睡或神经质症状。 2.下列情况应慎用：咳嗽或其他症状在服药后一周内未改善、加重或复发者；伴随发热、皮疹、红肿或持续头痛者，发热超过三天患者；伴有高血压、心脏病、糖尿病、甲状腺疾病、青光眼、前列腺肥大引起排尿困难、呼吸困难、肺气肿患者；因吸烟、哮喘、肺气肿引起的慢性咳嗽及痰多粘稠患者。 3.妊娠期或哺乳期妇女需慎用。 4.夜用片用药期间可能引起头晕、嗜睡，故不宜驾车或高空作业、操纵机器。 5.饮酒、服镇痛剂、镇静剂会加重嗜睡，儿童服用含酒精过量的饮料易引起过敏。规格： 每片含 日用片 夜用片 对乙酰氨基酚 650mg 650mg 盐酸伪麻黄碱 60mg 60mg 氢溴酸右美沙芬 30mg -贮藏：遮光、密闭在干燥处保存。有效期：暂定二年。处方药：非
