模的正交性 的英文怎麼說
中文拼音 [módezhēngjiāoxìng]
模的正交性
英文
orthogonality of modes- 模 : 模名詞1. (模子) mould; pattern; matrix 2. (姓氏) a surname
- 的 : 4次方是 The fourth power of 2 is direction
- 正 : 正名詞(正月) the first month of the lunar year; the first moon
- 交 : Ⅰ動詞1 (把事物轉移給有關方面) hand over; give up; deliver 2 (到某一時辰或季節) reach (a cert...
- 性 : Ⅰ名詞1 (性格) nature; character; disposition 2 (性能; 性質) property; quality 3 (性別) sex ...
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This paper starts the research of the liquid floated pendulous accelerometer testing system according to the engineering. at first, this paper gives the brief introduction of the history and present status of accelerometer and its testing technology, the working principium and math model of the liquid floated pendu - lous accelerometer, and then, decides the binary width pulse force retrim loop as the design proposal of testing system, researches the transfer function of every part in the system emphasizly, analyses the stability of the whole accelerometer testing system from the angle of control theoretics by the open loop transfer function of system, and designed the correcting net, analyses the basal problems such as resolution, sampling restraint, precision and so on, designs the hardware testing circuits such as preamplification, band - pass filter, alternating amplifier, phase sensitive demodulatorn, pulse - width modulation, frequency scale circuit, moment current generator. finally, using the graphics program language labv - iew which is designed for testing field especially by ni accomplishes the solfware design of testing system, realized the testing functions
首先對加速度計及其測試技術的發展歷史和現狀,液浮擺式加速度計的工作原理和數學模型等作了簡要的介紹,然後確定了以二元調寬脈沖再平衡測試迴路為設計方案,並從控制理論的角度進行了分析,著重研究了系統中各部分的傳遞函數,利用系統開環傳遞函數分析了系統的穩定性,同時設計了系統的校正網路;分析了二元調寬脈沖再平衡測試迴路的解析度、采樣約束以及測試精度等基本問題,並按照系統分析的結果設計了包括前置放大、帶通濾波、交流放大、相敏解調、脈寬調制、頻標電路以及力矩電流發生器等測試系統各部分硬體電路,驗證了電路的正確性,最後按照測試系統的要求,採用了美國ni公司專為測試領域所開發的虛擬儀器工具? ? labview作為測試軟體開發工具,利用該圖形化編程語言完成了測試系統軟體部分的設計,實現了測試功能。In this paper, besides the simulation of the normal physiological condition, ecg waveforms under pathological conditions due to cell membrane ionic channel mutation such of as long - qt syndrome, short - qt syndrome, t wave alternans and brugada syndrome also be simulated and researched, which validated this ecg model, at the same time be beneficial to further research on
文中除了模擬正常生理狀態下的心電圖以外,對長qt間期綜合癥、短qt間期綜合征、 t波電交替和brugada綜合癥等幾種由細胞膜離子通道改變所引起的病態心電圖波形也進行了模擬研究,充分驗證了模型的正確性,同時也為進一步在此上進行疾病治療藥物的研究奠定了基礎。First we introduce it by presenting the classic 2tx scheme proposed by alamouti. then the orthognal designes for space - time block codes are explored, the detailed analysis of the performance is presented. the link level simulations are performed in the last part
通過alamouti的2天線方案來理解空時分組碼,接著研究了空時分組碼的正交設計,最後對其性能進行了詳盡的分析,並完成了鏈路級模擬。3 g 一 g g abasi 叱 加 ical pp 訕 howthe qquasi ghgsical 毗 quasi sociological methodmo 止 secondlx we uthuther nalsze the nhrsical model on which he quasi pnsical and quasi sociological methods for solving s 肛 problembased considering a physical hypothesis on this model , we construct a counterexaxnple to showthatthe hypothesis is not eee ? howeve 二 itdoes notdamage the goodpractical effectof applpinp this phpsical model to solve s 盯 problem considering he existence of alsorithlnic region , which reflects that the quasi sociological method is very necessw for ass 吶 ng the high efficient of theent whole algori 燦 m therefore deepens our comprehension on the quasi physical and quasi sociological methods mird1x we wpl … 叫 nas 恤 ysi 陰 1md q 阻 si 500i 吶 i0alm 毗 cd 引 0 咖 we mathematical problem ofcom 恤 non oforthogonal tmles m successfully es 恤 fish a physicalopttrizatbo model for sotring saturated o 汕 ogonal tables , whwh ws provedto be correctintheo0 we thi 冰 。 w goodpersonated s 咖 egies forjumping out of the t 呷 oflocal minimum using quasi sociological method based onthe physical model thus wegetthe wholequasi physicaland quasi sociological algorim forthe problem ofconswction ofs 咖 med orthogonal tables he experimental results showthatthephysical model ishighly efficientthanthe conflmng nlllllber mode ! based on me pure m 她 ematical 訕 kgfound 他 sucoes 訕 11y ? ? rk 咖 m 枷 ons 訕 卿 nal 郵 ie with 3 leve13 using th 叫 u 1 physical and quasi sociological algori 恤 we got some o 汕 ogonal t 勸 les ofl 。 , ( 3 ’ ‘ ) which are not isomorphic moreove 乙 some ofour results are also not isomorphic to oe results pearedb 山 e open rekrences we got lip to now lastlx for 讓 卜 ancie 口 戊 扯 d importantproblemsofconstfutfuction oflatin square and orthogonal latin squares ( most of
應用此演算法,我們成功地計算出難的三水平正交表本課題為國家重點基礎研究發展「九七三」規劃,國家「八六三」高技術發展計劃,高等學校博士學位點專項科研基金及中國科學院軟體研究所計算機科學開放研究實驗室課題基金資助項目1g一gs第四,應用擬物擬人方法嘗試求解古老而重要的拉丁方、正交拉丁方(它們事實上是正交表)問題。我們結合這些問題的特性,建立了新的物理模型,從理論上證明了這些物理模型的正確性,並設計出擬人化的「跳出局部極小值陷餅」的策略,得到了求解拉丁方、正交拉丁方的擬物擬人演算法。實驗表明, 」對某些問題演算法有好的效果。In this paper, the working principle of the interleaving two - transistor forward converter is analyzed in detail, and the waveforms of the switch drain - to - source voltage and transformer magnetizing current are researched in different duty cycle conditions. the simulation model is constructed and the simulation results verify the analysis
本文分析了交錯並聯雙管正激變換器的工作原理,研究了在不同占空比條件下開關管的漏源電壓和變壓器勵磁電流波形,建立了模擬模型,模擬結果證明理論分析的正確性。Secondly, to achieve the independent regulation of active and reactive power output from the generator side which is designed for the purpose of tracing the maximum wind - energy capturing. the paper has analyzed the mathematic model of the ac excited doubly - fed machine and the stator field orientation control strategy of the motor as vscf wind power generator. thirdly, it has put forward and designed the dual pwm converter with the capacity of energy flowing bidirectional aimed at the demand of rotor energy bidirectional flow. the author constructed reliable and integrated experimental system and did a series of experimental study including no - load, cutting - in network and power generation at, below and above the synchronous speed
論文首先分析了風機運行特性及其最佳風能利用原理,通過模擬及實驗驗證了採用直流電機的輸出特性模擬風力機的最大輸出功率曲線的可行性,並給出了模擬系統的硬體結構;然後為了實現交流勵磁發電機有功、無功功率獨立調節機理,分析了交流勵磁雙饋發電機的數學模型和在追蹤最大風能捕獲變速恆頻風力發電時必需的定子磁鏈定向矢量控制策略;針對雙饋發電機轉子能量雙向流動的要求,提出並設計了具有能量雙向流動能力的雙pwm交流勵磁用變頻器;最後為實現從理論到實踐的全面研究,研製出了一套小功率完整的雙pwm變頻器交流勵磁的雙饋風力發電機實驗系統,進行了空載、並網、同步速及上、下的發電運行等一系列的運行實驗;所完成的模擬和實驗研究均驗證了理論、模型和控制策略的正確性、可行性。In practical studies, finally, a hybrid active power filter based on the digital signal processor ( dsp ) and intelligent power module ( ipm ) was set up, including a cycloconverter acem. based on the experimental set - up, plenty of experimental studies were conducted. the experimental results demonstrate that the self - adaptive technique, the topology of series connected hybrid power filter and the corresponding significant technologies described above are feasible and practical
最後,實際研製了一套以dsp (高速數字信號處理器)和ipm (智能功率模塊)為核心的小功率混合型有源濾波裝置,在交交變頻acem實驗平臺上進行了全面的實驗研究,充分驗證了本文所提出的自適應同步相關濾波技術、優化混合型濾波器拓撲結構和有關的關鍵性技術的正確性和實用性,從而從理論到實踐全方位、成功地實現了對交流勵磁發電機輸出電力諧波抑制的研究。So, it is looked forward to being more perfect. in this thesis, beginning with the maxwell equation, we mainly do the following work based on the rigorous mathematical analysis : firstly, we present the rigorous nonorthogonal vectorial cmt for the isotropic waveguide under isotropic disturbances and anisotropic disturbances respectively. during the derivation, it is fully reflected the property of the vector and the universal fitness without any approximation
本論文從maxwell方程出發,在嚴格的數學分析基礎上主要做了以下兩方面的工作:第一,分別嚴格地推導出了各向同性光波導在各向同性微擾和各向異性微擾下的非正交矢量耦合模理論,在推導過程中,考慮到電磁場的矢量性和非正交性且沒有用到任何近似,因此具有普遍適用性。According as time - varying images composing model, simulated 3 - d rigid shift motion and rotation motion in computer, implemented perspective projection and orthographic projection arithmetic, it proved that the result of experiment is accurate
根據時變圖像構成模型,採用計算機模擬了三維剛體運動的平移和旋轉運動,以及透視投影和正交投影下的二維運動構成演算法。實驗結果驗證了演算法的正確性。However, in current design flow, designers do not consider whether designs are friendly to opc before they are sent to foundries. in fact, a lot of features in such designs can not be corrected enough because of many factors such as the constraints of environments. so even though such designs are corrected, many lithographic errors still exist
然而,由於在當前的集成電路設計流中,在設計出的版圖送到製造廠商前,電路的設計者並沒有考慮版圖對光學鄰近校正和交替移相掩模的友好性問題,這使得版圖中的一些圖形由於周圍條件的限制,如無法充分進行光學鄰近校正,無法進行交替移相掩模的處理等,從而使得版圖設計即使進行了校正處理,還存在大量光刻故障的可能性。The genetic algorithm, which simulates the evolutional process of the nature, is a global and robust algorithm, and the construction of orthogonal multiwavelets via genetic algorithm makes the guideline to determine multiwavelets clear and simple. 2
遺傳演算法是模擬自然進化過程的全局性魯棒優化演算法,利用遺傳演算法來確定由短序列正交多尺度函數所生成的正交多子波,使確定多子波的思路變得清晰而簡單。The materials by which to make orthotropic model with controlled crack parameter were attempted to develop at laboratory. shear wave splitting was observed in three different directions in small scale samples
在實驗室內,嘗試了研製可控裂隙密度的正交各向異性模型材料,並在製作的小塊樣品的三個方向上觀測到了橫波分裂。The thesis presents an effective method for the design and modeling of ltcc embedded capacitors and inductors, based on which the multi - layer capacitors and inductors are designed and realized. the measured results agree very well with the electromagnetic designed responses, which shows the validity of the design and implementation
提出了ltcc內埋式元件完善的設計方法和流程,據此設計和製作了平面曲折形和螺旋形電感以及多層垂直交叉型電容,測量與模擬結果的吻合驗證了設計和實現方法的正確性。A novel method of content - based image segmentation using deformable template matching is proposed. a two - dimensional ( 2 - d ) deformable template based on orthogonal curves is built by pre - computing extensions of the deformable template along orthogonal curves and sampling the curves uniformly. then the definitions of internal and external energy functions are given according to the image segmentation problem, and genetic algorithm is used to obtain globally optimal solutions. the proposed method uses a lower - dimensional search space than conventional methods and reduces the sensitivity of the algorithm to initial placement of the template. experiments on real - world images and in simulations at low signal - to - noise ratio show the robustness and good performance of the method
本文提出一種採用可變形模板匹配技術進行基於內容的圖像分割演算法.通過預先計算出可變形模板沿著變形的正交曲線,並對模板曲線及正交曲線進行離散抽樣,建立一基於正交曲線的二維( 2 - d )可變形模板,針對圖像分割問題定義控制可變形模板進行變形的內、外部能量函數,本文採用遺傳演算法搜索能量函數最小的全局最優解.該新演算法比傳統的可變形模板匹配方法降低了搜索空間的維數,減少了演算法對模板初始位置的敏感.對實際圖像及模擬低信噪比圖像處理的結果表明,新演算法具有良好的分割精度及穩定性First, according to the orthonormal quality and the rational choice of working point of the sonar array three shafts frame, the structure of the models is predigested preliminarily ; secondly, according to the quality indexes and the coupling quality between frames, relatively small quantum is neglected. so the complex non - linear coupling models of the sonar array are predigested farther ; lastly, considering the characteristic of the model coefficient matrix, the methods of the low rank polynomial approach and the error simulation are introduced. so the models are predigested again
首先從聲納基陣框架結構的正交性和工作點的合理選擇出發,使模型的結構得以簡化;其次根據系統性能指標及框架間耦合性強弱,忽略相對小量,對聲納基陣復雜的非線性耦合模型進一步簡化;最後考慮模型系數矩陣的特點,運用低階多項式逼近和誤差模擬的方法,實現了對模型的再次降階簡化處理。In this chapter, mathematical model of a single machine infinite bus power system installed with statcom and svc is derived. 3 ) the possibility of the negative interactions among statcom controllers and svc controller in this smib power system is analyzed by using the rga method, and the time - domain simulation results demonstrate the analyzed results
以這個單機無窮大系統為研究對象,應用相對增益矩陣( rga , relativegainarray )方法分析了statcom控制和svc控制器之間存在著負交互影響的可能性,並通過模擬實例驗證了rga方法分析結果的正確性。First, on the basic theory of the coaxial disk cylindrical waveguide, we analysis field equation in each area of the coaxial disk cylindrical waveguide with longitudinal ribs. the dispersion equation and the coupling impedance of this structure are obtained by means of triangle function ' s orthogonality and combing with the field matching method. through the numerical calculation, we discuss the influence of various structure ' s parameter on the dispersion and the coupling impedance
主要工作和創新成果如下:一、首先在盤荷波導理論的基礎上,嚴格分析加上脊后的各區場表達式,利用邊界條件和函數的正交性推導出對應的色散方程和耦合阻抗表達式,並通過數值模擬計算,詳細討論了該結構的幾何參數對色散方程和耦合阻抗的影響。Ac link is fully verified by the simulation and the pricinple test. this kind of converter lay the key technical foundation on new type electronic transformer, regulated sinusoidal ac power supply, ac regulator
220v 10 ( 50hz ) 220v ( 50hz )單極性移相控制電壓源高頻交流環節ac ac變換器的模擬與原理試驗證實了這類變換器新概念的正確性與先進性。Sqlj is a convention for embedding those sql statements in java, in a way that allows programming tools to perform translation - time compile - time analysis of sql in java, for syntax checking of sql statements, for type checking to determine that the data exchanged between java and sql have compatible types and proper type conversions, and for schema checking to assure that the sql constructs are well - formed and valid in the database schema where they will be executed
Sqlj是在java中嵌入這些sql語句的一種約定,它是以某種允許編程工具對java中sql進行編譯時分析的方式實現嵌入的,在編譯時會對sql語句進行語法檢查以保證語法的正確性,進行類型檢查以確定java和sql之間交換的數據具有兼容的類型和適當的類型轉換,以及進行模式檢查以確保sql結構在它們執行時所在的數據庫模式中是格式良好的、合法的。Based on vibration theories and the analysis of the model, using main vibration shape and the natural frequency, defined the concept of parameter sensitivity, and got its formula. based on this foundation, defined the concept of the appraisement coefficient of adjustment automobile rigidity parameter, and give the calculation equation
根據振動理論,在模態分析的基礎上,通過利用主振型向量的正交性,導出參數靈敏度的概念,推導了參數靈敏度的公式。在此基礎上,提出了調整汽車剛度參數的評價系數,並給出了評價系數的計算公式。分享友人