角度矩 的英文怎麼說

中文拼音 [jiǎo]
角度矩 英文
angular moment
  • : 角Ⅰ名詞1 (牛、羊、 鹿等頭上長出的堅硬的東西) horn 2 (古時軍中吹的樂器) bugle; horn 3 (形狀像...
  • : 度動詞[書面語] (推測; 估計) surmise; estimate
  • : 名詞1. (畫直角或正方形、矩形用的曲尺) carpenter's square; square2. (法度; 規則) rules; regulations 3. [物理學] moment
  • 角度 : 1. [數學] (角的大小) angle; the degree [size] of angle 2. (看事情的出發點) point of view; angle
  1. As the single rectangular coil is the routine induction probe, the system is simulated based on the theory of a - v - a. the perfect induction field is studied. the corresponding relations between the slots and the field are also analyzed, as well as the measurement scale is given here

    )描述下交變磁場測量技術單形線圈激勵形式下的數值模擬模型,從場量檢測的出發,分析了無缺陷情況下該系統的電磁場分佈特性,以及有缺陷情況下缺陷與場分佈的對應關系以及缺陷檢測的數值范圍。
  2. After analysing several kinds of light - weighting structures through ansys, hexagonal speculum structure is confirmed. in the aspect of the controling of speculum, the paper adopts the brushless dc motor which is partial assembled to drive the point speculum and the inductosyn as angle measuring component is selected, the ad2s80a the system is used to get directly angle and angular velocity. double closed - loop speed and position control is designed, as the pid control is the well - developed algorithm, which can achieve stable rotation and precise position control

    在指向反射鏡的擺動控制方面,採用低速性能好的分裝式直流力電機作為指向反射鏡的驅動電機,並採用感應同步器作為測量元件,運用軸轉換器ad2s80a進行和速的輸出,採用技術成熟的pid控制方案,進行速和位置雙閉環控制,以實現指向反射鏡轉動速的平穩性和位置的精確性。
  3. It is just the difficulty that the strongly correlated electron systems can not be studied by analytical methods, a variety of simulative numerical methods come out sequentially. there are a few typical methods such as the exact diagonalization ( ed ), the qutum monte carlo ( qmc ), the variation monte carlo ( qmc ), the renormalization group ( rg ), and the density matrix renormalization group ( dmrg ) and so on

    正是強關聯系統遇到了解析研究的困難,各種數值模擬方法才相繼出現,最典型的數值方法有:嚴格對化( ed ) ,量子蒙特卡洛( qmc )模擬、變分蒙特卡洛模擬( vmc ) 、數值重整化群( rg )以及密陣重整化群( dmrg )等。
  4. 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

    首先對加速計及其測試技術的發展歷史和現狀,液浮擺式加速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、采樣約束以及測試精等基本問題,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。
  5. The paper researches rectangle, parabola, sinusoid and triangle acceleration curves and their response characteristics, and puts forward a concept of combined acceleration

    摘要研究了輸送機的各種加速形、拋物線形、正弦形和三形)曲線及其響應特性,在此基礎上,提出了組合加速的概念,並對其進行了研究。
  6. Topology graphic is applied to electric power networks, and a new method to form the three - phase nodal admittance matrices with three - phase branches is proposed

    將圖論應用到電網拓撲結構中,從一個新的提出了用三相支路法形成三相節點導納陣的方法。
  7. Two nonlinear simulation methods are designed by curve fitting method and anfis which seem simply and right in the simulation experiment. based on the model different control strategies also were realized in detail such as chopped current control ( ccc ), angular position control ( apc ), amplitude - change ccc and pi control. a simple torque sharing function ( tsf ) method and a tsf controller were designed which decreases torque ripple effectively

    文章中還建立一種基於模糊神經網路的非線性模型,並對比分析了三種方法,模擬中確定了電機的最優開通關斷,在此基礎上實現了電流斬波控制、位置控制、變幅值電流斬波控制以及分段雙閉環pi控制,模擬結果表明,它實現了電機的正常運行,很好的抑止了電機轉脈動,同時有效地降低了噪聲。
  8. This paper described a cold gas simulation of solid rocket motor with submerged nozzle. a two - dimension model with rectangular channel was designed, which can simulate different flow conditions at three periods after ignition

    本文從冷流模擬的出發,設計了通道為形的含潛入噴管發動機冷流模型,可以模擬發動機工作過程中三個不同時刻的流動狀態。
  9. Most of the fin stabilizers we use now are angle - feedback system, whose control torque is gotten by the calculation of fin angle

    目前使用的絕大多數減搖鰭都是反饋系統,它通過鰭的轉來計算控制力
  10. Fin stabilizer is a kind of active stabilizer, which is designed on the principle of torque counteraction. fin stabilizer applied at present is an angle feedback system which calculate the controlling torque through the fin angle. because the relationship between the lift produced by fin and the fin angle is mainly determined by the hydrodynamic experiment, so there are some defects

    目前使用的減搖鰭是一個反饋系統,它通過鰭的轉來計算控制力,這樣就存在一些不足之處,因為鰭上產生的升力和鰭的對應關系主要靠鰭模的水動力試驗來求得。
  11. With the development of the network and the multi - processor system, the research, simulation and the impemeni of the system - level fault diagnosis which is the very important means to increase the reliability of the system, are becoming more and more important. on the system - leve1 fault diagnosis, based on the group theory of system - level fault diagnosis that has been put forward by pro f zhang, the paper constructs newly the theory bases, improves on the matrix method, reinforces and consummates group arithmetic of all kinds of test mode, for the first time, analyses and discusses the equation solution of all kinds of models, so al1 the consistent fault patterns ( cfp ) could be found, straightly and high efficiently, even if the sufficient and necessary condition of t - diagnosable is dissatisfied and the complexity of system - level fault diagnosis is greatly decreased, especialy in strong t - diagnosabl6 system. last the simulation system ' s function has been extended and the application hotspot and the development trend have been disscussed

    本人在張大方教授等人提出的基於集團的系統級故障診斷的理論基礎上,重新構建了系統級故障診斷的理論基礎,定義了系統級故障診斷測試模型的三值表示;改進了系統級故障診斷的陣方法,重新定義了測試陣、鄰接陣、結點對、結點對的相連運算、極大準集團和斜加陣,由此能直觀、簡便地生成集團和極大獨立點集;補充和完善了各類測試模型的系統級故障診斷的集團演算法,通過定義集團測試邊和絕對故障集,簡化了集團診斷圖,由此能較易地找到所有的相容故障模式,即使不滿足t -可診斷性,大大減少了系統級故障診斷的復雜,尤其是對強t -可診斷系統;首次分析探討了各類測試模型的方程解決,由此從另一能系統地、高效率地求出所有的相容故障模式( cfp ) :擴充了系統級故障診斷模擬系統的功能,快速、直觀和隨機地模擬實驗運行環境,進行清晰和正確的診斷,同時提供大量的實驗數據用於理論研究,優化演算法和設計。
  12. The differences on resolution capability and the performance of estimation between beam - space processing and element - space processing are analyzed. transforming matrices are designed for the consideration of depressing the resolution threshold and estimation variance

    分析比較了波束域處理與陣元域處理的分辨能力以及估計性能,並從降低分辨門限和估計方差考慮,給出了轉換陣的構造方法。
  13. Third, this thesis analyzes the angle - control theory based on half bridge converter, and proposes a new way to find the optimized angle. simulation is performed to verify the results. then, this thesis introduces the hardware and software design of the digital control system of doubly salient electro - magnetic motor, which mainly discusses the speed and current loops and angle optimization control

    再次,本文介紹了控制與電機轉向的關系,並對基於半橋變換器的電勵磁雙凸極電動機換相與相電流及輸出轉的關系進行了理論分析和模擬驗證,提出了優化電勵磁雙凸極電機換相的方法。
  14. The analysis results show that the palcement styles and the rotating angles of such a large scale deployable boom systems are functional importantly. the motions and damps of the boom systems also take importance. if motions become larger, the time for the booms to reach their spreaded states is shorter, and the impact velocities become larger, the impact accelerations become larger too

    分析結果表明,對于大尺的伸桿機構,其布置方式和展開對其展開運動有重要的影響;同時也研究了鉸鏈處外力對展開運動的影響,隨著該力的增大,伸桿到達鎖定狀態的時間減少,碰撞時的速增加,由此產生較大的加速;分析了伸桿彈性和阻尼對伸桿展開過程的影響,彈性增大碰撞加速增大,阻尼增大加速減小,因此可將鉸鏈處外力和伸桿阻尼作為伸桿展開運動調節的手段。
  15. In the first part, the basic knowledge of particle scattering in meteorology and physics was introduced. the particles to be discussed include aerosol particles, fog droplets and raindrops and the em wave band in the discussion is near - infrared. in the second part, the mie theory was briefly reviewed and was applied to investigate the scattering characteristics of spherical atmospheric particles, the result shows that in the visibility measurement meter using forward - scattering method, when the working wavelegth is between 0. 8 m ~ 2 m, the scattering angle is between 25 ~ 40, the distinguishability and the relative scattering intensity would be better than those under other conditions. in the third part, the superellipsoid was used to describe a wide range of shapes such as spheres. ellipsoids and cylinders. an improved t - matrix method which can be used to calculate arbitry shaped particle ' s scattering field was introduced, and the scattering characteristics of non - spherical atmospheric particles was investigated with this method

    計算結果表明,從相對散射強、同一方向上不同粒子散射的可區分程來看,在散射式能見探測儀器中,工作波長介於0 . 86 m 2 m ,探測選取前向2540時,探測的結果將會是比較理想的。第三部分中,使用超橢球方程來統一描述各種非球形粒子的形狀,然後使用t陣方法計算了一些形狀的非球形粒子的近紅外散射特性。另外,在本文中還針對球形粒子的散射場提供了一種三維可視化方法,使對散射場強的空間分佈的理解更加簡單,直觀。
  16. In order to obtain the mueller matrix in rain area, the scattering character of one raindrop is studied, and the mueller matrix is then obtained by means of statistics. the power of the reflected waves from rain is studied according to the polarization states, and it is a matter of great significance

    本文從單個雨滴的散射入手,用統計的方法結合雨滴的weibull尺寸分佈,計算出雨區的散射陣,並對雨區的後向散射功率密從極化的做了分析,這對于分析雷達對雨雜波的抑制有指導意義。
  17. In the second chapter, the nonlinear optical properties are described from both macroscopic and microscopic views, at the same time, giving the definitions of the linear and nonlinear polarizabilities. then, the explicit expressions of the linear and nonlinear polarizabilities are obtained by using quantum mechanical perturbation theory and density matrix formalism, respectively

    第二章非線性光學性質,首先分別從宏觀和微觀兩個討論了極化強和電偶極與外加光電場強之間的關系,同時給出了線性極化率和非線性超極化率的定義,然後分別運用含時微擾理論和密陣理論求解了分子體系的線性極化率和非線性超極化率。
  18. When analyzing skew support continuous curved box girder bridge, curved grid girder analyzing method considering warping effect is applied. matrix displacement method is applied in analyzing skew support continuous curved thin - walled box girder bridge with restrained bearing. in order to convert original rigidity equations to structural rigidi ty equations that can be solved, bearing nodal displacement matrix can be introduced, then unknown quantities at the edge of beams can be consistent with the restrained directions of skew bearings, unit rigidity matrix and unit nodal forces can be gained. structural rigidity matrix can be composed according to matrix displacement method, so nodal displacements and inner forces on the end of the rod that are unknown can be gained calculating equations of inner forces on any cross - section can be solved

    分析斜支承連續曲線箱梁橋時,採用考慮翹曲作用的曲線格子梁分析方法,應用陣位移法對具有約束支承形式的斜支承連續曲線薄壁箱梁橋進行分析,考慮到支座的約束條件並不與梁端彎曲位移和扭轉位移的方向一致,引入支座節點坐標陣,使得梁端的位移未知量與斜支座約束方向一致,來計算單元剛陣和單元節點力,然後按照陣位移法組集總剛並建立結構剛方程,根據結構剛方程即可求解未知的節點位移及桿端力,推導出任意截面處的內力計算公式。
  19. We use this conclusion in our program. the last, the principle and the precision of the detection of range, speed and angle is analyzed and discussed theoretically. using the precision formula of rectangle pulse waveform, we programming the software to accomplish the computation simulations

    在論文中還對雷達的距離測量、速測量和測量的原理以及它們的測量精進行了理論分析和計算,並且得出了在形脈沖波形的時候雷達測量精的計算公式,並且用程序進行了模擬計算。
  20. ( 2 ). according to the system indices and requirements together with the technology characteristic, it researches the capture possibility of apt capturing system. then it introduces the common scan methods, such as raster, spiral, raster spiral, rose and lissajo. ( 3 ). it makes a detailed simulation analysis of the raster and spiral scan, analyze the connection between capture probability, capture time, system index at different capture resolution angle, capture range, vibration angle extent and terminal location distributing mean square deviation

    其中對幾個關鍵部分進行了詳細分析:計算了目標反射器的激光雷達散射截面( lrcs )值,研究了qd與ccd對目標位置的計算方法和空間解析; ( 2 )根據系統指標和要求並結合現有國內技術特點研究了apt捕獲系統掃描的捕獲概率問題,然後分析了幾種常見的掃描方式:形( raster )掃描、螺旋( spiral )掃描,形螺旋( rasterspiral )掃描,玫瑰形( rose )掃描以及李薩如形( lissajo )掃描; ( 3 )對分行掃描和螺旋掃描進行了詳細的模擬分析,分析了它們在不同捕獲分辨、捕獲范圍、振動振幅和終端位置分佈均方差時的捕獲概率、捕獲時間與系統常數之間的關系。
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