研究了 的英文怎麼說

中文拼音 [yánjiū]
研究了 英文
cr18ni9ti
  • : 研同 「硯」
  • : Ⅰ動詞(仔細推求; 追查) study carefully; go into; investigate Ⅱ副詞[書面語] (到底; 究竟) actually; really; after all
  • : 了助詞1. (用在動詞或形容詞后, 表示動作或變化已經完成) 2. (用在句子的末尾或句中停頓處, 表示變化, 表示出現新的情況, 表示催促或勸止)
  • 研究 : 1. (探求) study; research 2. (考慮或商討) consider; discuss; deliberate
  1. In this paper, the concept of acceleration ambiguity function ( aaf ) and acceleration resolution is put forward for the first time. using aaf, the effects of target ' s relative acceleration on several outputs of a linear - phase matched filter are analyzed, such as the output signal - noise - ratio loss, the doppler resolution, the constraint on optimal accumulative time ( opt ) and their tolerable limits

    論文首次提出並研究了加速度模糊函數和加速度分辨力的有關概念,並以加速度模糊函數為分析工具,詳細討論加速度對線性相位匹配濾波器的輸出信噪比的損失程度、對多卜勒頻率分辨能力的影響程度、對最優相參積累時間的約束關系以及線性相位匹配濾波器輸出受加速度影響的容限等問題。
  2. The waves should be sheared waves for the anisotropic aeo device and longitudinal waves for the isotropic aeo device. geometrical relationships of anisotropic acousto - optic effect in ln crystal and kdp crystals are studied by tangent - match condition. curves of incident angle vs. abaxial angle, diffractive angle vs. abaxial angle, extreme frequency vs. abaxial angle and acousto - optic merit vs. incident angle vs. abaxial angle are systematically gained and the design parameters are also calculated

    利用相切-匹配條件法研究了鈮酸鋰晶體及kdp晶體的反常聲光互作用幾何關系,系統地得到以離軸角為自變量的各參數的計算公式及相應的關系曲線,通過數值分析方法給出聲光優值隨中心頻率的變化曲線並給出器件的設計參數。
  3. The sequence analysis revealed that the as1 gene encodes a myb protein, which is a candidate transcription factor. in as1 and as2 mutants, the polarity formation in leaves is defective. cell differentiation along abaxial - adaxial, proximal - distal and media - lateral axes all shows an insufficient fashion

    通過掃描電鏡、干涉相差顯微鏡、組織切片、過量表達等手段研究了as1和as2的功能,包括觀察觀察突變體的組織、細胞結構及早期發育狀況,同時採用gus表達、 rt - pcr 、原位雜交、 northern等手段分析基因的表達情況。
  4. In this paper, we study the convergences of random dirichlet series by the local convergence of random variable and the strong law of large numbers, and obtain some simple and explict formulae on abscissa of convergence

    該文是利用隨機變量序列的局部收斂性及強大數定律研究了隨機狄里克萊級數的收斂性,得出它的收斂橫坐標的簡潔公式
  5. Abstract : in this paper, we study the convergences of random dirichlet series by the local convergence of random variable and the strong law of large numbers, and obtain some simple and explict formulae on abscissa of convergence

    文摘:該文是利用隨機變量序列的局部收斂性及強大數定律研究了隨機狄里克萊級數的收斂性,得出它的收斂橫坐標的簡潔公式
  6. Secondly, the state monitoring system for the acentric compressor machine sets is designed including hardware and software. the system manages to monitor the real - time states and can successfully analyze and diagnose exceptions on the machine sets

    其次,以離心式壓縮機組為例,對其設備監控系統進行系統總體設計,研究了控制系統軟硬體設計方案,並進行系統的功能設計。
  7. The main contributions are as follows : ( 1 ) de ( differential evolution ) algorithm is proposed to invert the ocean acoustic parameters in shallow water in order to get faster and more accurate results than ga ( genetic algorithm ) and sa ( simulated annealing algorithm ). also a posteriori probability analysis method is applied to evaluate the uncertainty of inversion results. ( 2 ) maximum likelihood objective functions for broadband mfi are derived according to different conditions

    ( 2 )根據不同的前提條件,採用似然比的方法推導寬帶匹配場反演的最大似然目標函數;深入地研究了寬帶匹配場處理中的相干與非相干問題;在分析參數反演的敏感性之後,提出淺海環境參數寬帶匹配場反演的多步優化策略,並與全參數反演方法進行性能上的模擬比較。
  8. 2. the symbol period estimation theory of acm is researched

    2 .研究了時域自相關法碼周期估計原理。
  9. In acoustics he studied the propagation of sound and musical consonance and dissonance.

    在聲學中,他研究了聲的傳播和音樂的和諧與不和諧。
  10. The effect of 5406 actinomyces on the growth of wheat seedling were studied

    摘要本文研究了5406放線菌對小麥幼苗的影響。
  11. The rhizosphere microflora dynamics of bacteria, actinomyces, fungi and four bacterial physiological groups of kentucky bluegrass under different quality of illumination were studied by adopting selective culture medium to explain scientifically response regular of this grass to different illumination condition

    摘要研究了草地早熟禾在不同光照條件下其根際與非根際細菌、真菌、放線菌以及氨化細菌、硝化細菌、好氣性纖維素分解菌、固氮菌生理類群的區系動態變化,擬從根際土壤微生物數量變化方面來闡述草地早熟禾對不同光照條件的響應規律。
  12. In addition, this paper numerically investigated the influence of the lumped parameters of the gunn diode on the frequency of the oscillation, and the tuning techniques of the oscillation frequency of the active antenna

    本文還利用fdtd法數值研究了gunn二極體的集總參數對振蕩頻率的影響以及有源天線振蕩頻率的調諧技術。
  13. After the simulation of sins, the actual sins is studied, especially studying the compensation of gyro ' s excursion. and it proves that the compensation can improve the navigation accuracy of sins. on the basis of the realization of sins, the integrated navigation of position / velocity for gps and sins are established, and sins and gps integrated navigation is realized by application

    在實現sins的基礎上,研究了sins與gps的位置、速度組合導航,建立全球定位系統和捷聯慣導系統的誤差方程及位置速度測量方程,應用卡爾曼濾波技術實現sins和gps的組合導航。
  14. The experiment uses adiantum reniforme l. var. sinense y. x. lin as material to understand its mating system through the research of ecology and genetics

    本試驗以荷葉鐵線蕨為材料,通過對生態學及遺傳學等方面的解其瀕危的可能機制。
  15. We have proved that stml is a topological category and the category tml is a bireflective full subcategory of stml, the existence of some functors " right adjunction. based on [ 106 ], we have researched the limits and inverse limits in the category stml, given the other one kind of product of - smooth topological molecular lattices

    以文[ 106 ]的相關概念為基礎,研究了范疇stml ( l )中的極限與逆極限問題,從而給出范疇stml ( l )的另一種乘積,且這兩種乘積在范疇意義下是同構的。
  16. The admixing technology aging mechanism and the influence of rubber powder on the performance of asphalt were studied

    研究了膠粉和瀝青的摻配工藝,分析廢橡膠粉改性瀝青的老化機理。
  17. Based on the principles of ncw discussed, the present study delved further into the c2 system analyze of aerial defence missile network - centric operation with the aerial anti - ballistic missile as the battle background. the main work of this study can be stated as follows : firstly, the author made a deep research on the concepts, the essence and the cardinal fundamentals of ncw, and then made a thorough study on the integrity fire control ability and agility of the network - centric operation requirements, then analyzed the three - layer logical networks structure of the aerial defence missile system in ncw

    本文以區域反彈道導彈為作戰背景,在對網路中心戰原理剖析的基礎上,對防空導彈網路化作戰指控系統(本文稱之c2系統)結構進行分析,主要工作有:首先,結合網路化作戰的概念、原理,研究了防空導彈系統網路化作戰的一體化作戰和靈活適應能力,並分析支持網路化作戰能力需求的c2系統邏輯結構,從整體上進行三層邏輯網劃分並分析各層邏輯網的功能和組成。
  18. This thesis focuses on the key techniques of target segmentation and tracking algorithms of image on the sea, which is used in tv control and guide of aerocraft

    論文主要研究了針對海上圖象的目標分割和跟蹤演算法,應用於飛行器末制導中的電視制導系統。
  19. The generation of aerosols in polluted atmospheres has been investigated in several experiments.

    在幾個實驗中已經研究了污染的大氣中氣溶膠的產生。
  20. In this thesis, we study some open problems and conjectures about the linear complementarity problem. it consists of the next three aspects : firstly, we study murthys " open problem whether the augmented matrix is a q0 - matrix for an arbitary square matrix a, provide an affirmable answer to this problem, obtain the augmented matrix of a sufficient matrix is a sufficient matrix and prove the graves algorithm can be used to solve linear complementarity problem with bisymmetry po - matrices ; secondly, we study murthys " conjecture about positive semidefinite matrices and provide some sufficient conditions such that a matrix is a positive semidefinite matrix, we also study pang ' s conjecture, obtain two conditions when r0 - matrices and q - matrices are equivelent and some properties about e0 q - matrices ; lastly, we give a counterexample to prove danao ' s conjecture that if a is a po - matrix, a e " a p1 * is false, point out some mistakes of murthys in [ 20 ], obtain when n = 2 or 3, a e " a p1 *, i. e. the condition of theorem 3. 2 of [ 25 ] that a p0 can be deleted and obtain a e " a is an almost e - matrix if a is a co - matrix or column sufficient matrix

    本文分為三個部分,主要研究了線性互補問題的幾個相關的公開問題以及猜想: ( 1 )研究了murthy等在[ 2 ]中提出的公開問題,即對任意的矩陣a ,其擴充矩陣是否為q _ 0 -矩陣,給出肯定的回答,得到充分矩陣的擴充矩陣是充分矩陣,並討論graves演算法,證明若a是雙對稱的p _ 0 -矩陣時, lcp ( q , a )可由graves演算法給出; ( 2 )研究了murthy等在[ 6 ]中提出關於半正定矩陣的猜想,給出半正定矩陣的一些充分條件,並研究了pang ~ -猜想,得到只r _ 0 -矩陣與q -矩陣的二個等價條件,以及e _ 0 q -矩陣的一些性質; ( 3 )研究了danao在[ 25 ]中提出的danao猜想,即,若a為p _ 0 -矩陣,則,我們給出反例證明此猜想當n 4時不成立,指出murthy等在[ 20 ]中的一些錯誤,得到n = 2 , 3時,即[ 25 ]中定理3 . 2中a p _ 0的條件可以去掉。
分享友人