矢量分析器 的英文怎麼說

中文拼音 [shǐliángfēn]
矢量分析器 英文
vectorlyser
  • : Ⅰ名詞1. (箭) arrow 2. (尿) excrement; dung; feces 3. (姓氏) a surname Ⅱ動詞(發誓) vow; swear
  • : 量動1. (度量) measure 2. (估量) estimate; size up
  • : 分Ⅰ名詞1. (成分) component 2. (職責和權利的限度) what is within one's duty or rights Ⅱ同 「份」Ⅲ動詞[書面語] (料想) judge
  • : Ⅰ動詞1. (分開; 散開) divide; separate 2. (分析) analyse; dissect; resolve Ⅱ名詞(姓氏) a surname
  • : 名詞1. (器具) implement; utensil; ware 2. (器官) organ 3. (度量; 才能) capacity; talent 4. (姓氏) a surname
  1. Using matlab and its add - ons simulink, through establishing simulation maths model, the paper integrates open chain vector equation ( describing motion restriction ), numerical value simulation ( computing velocity and displacement while given acceleration ) and matrix algebra, etc. to accomplish dynamic simulation for the robot and verifies the results for kinematics of the robot using analysis method, and it establishes foundation for following study for the robot such as kinetics, control, etc

    利用matlab及其附加軟體simulink ,通過建立模擬數學模型,綜合開環方程(描述運動約束) 、數值模擬(在加速度已知時計算速度和位移) 、以及矩陣代數等來完成機人動態模擬,對所研究的機人運動學結果進行驗證,結果基本一致,為機人的后續研究,如動力學,控制等奠定基礎。
  2. In order to obtain a high - quality speech codec, the phase information of speech should be included in codec. in this thesis, a method for quantizing the phase of sew ( slowly evolving waveform ) and reconstructing sew ’ s phase with cubic polynomial interpolation is given based on the perceptual weighting analysis - by - synthesis ( a - b - s ) vector quantizer for the phase spectrum in wi coder

    本文基於感覺加權相位譜合成( abs - analysis - by - synthesis )化方法,給出了一種wi編碼中慢漸變波形( sew - slowlyevolvingwaveform )的相位信息化及合成端相位的三次多項式插值重建方法。
  3. The best scheme was chosen after analysis and comparing and the structure was designed. at same time, the kinematics analysis was conducted, coordinate transformation matrix using d - h method was set up, and the kinematics equation direct solution and inverse solution was deduced, the velocity jacobian matrix was constructed using vector product method, and the values of displacement and velocity of some special point including the wrist point were calculated. secondly, the working space of the robot was analyzed and the axes section of practical working space was drawn

    首先,作者針對機人的設計要求提出了多個方案,對其進行比較,選擇其中最優的方案進行了結構設計;同時進行了運動學,用d - h方法建立了坐標變換矩陣,推算了運動方程的正、逆解;用積法推導了速度雅可比矩陣,並計算了包括腕點在內的一些點的位移和速度;然後藉助坐標變換矩陣進行工作空間,作出了實際工作空間的軸剖面。
  4. By improving the conventional electric - arc fusion method, we have realized the splicing between two kinds of mofs and smf with relatively low splice losses. we have written fiber bragg gratings in grapefruit mof successfully. the multi - wavelength resonances are observed in the grating, and theoretical analysis shows that this phenomenon is caused by the resonances between core modes and cladding modes

    在此基礎上對微結構光纖光柵進行了理論和實驗研究,在柚子型光敏微結構光纖上成功寫制了布拉格光柵,觀察到多波長的反射峰,並利用全有限元方法對微結構光纖布拉格光柵中的多波長諧振現象進行了理論,最後在實驗上對其在多參傳感和多波長光纖激光件中的應用進行了嘗試。
  5. The carrier wave is modulated directly by the baseband signal at several frequency point in l band and s band. firstly, this paper clarifies the theory of i / q modulation, elaborates evm and acpl, and analyzes the effect of amplitude and phase unbalance and dc offset on evm. secondly we review the basic principle of phase locked loop and it ’ s composing parts, including the basic conception and design method of pll frequency synthesizer, especially introduce the charge pump pll frequency synthesizer in detail

    首先,在闡述i / q正交調制基本原理的基礎上,通過對誤差和鄰近通道功率泄漏的詳細,定性、定地討論了各種非理想電路因素(如相位不平衡、幅度不平衡、直流偏差等)對調制性能的影響;其次,介紹了鎖相環的工作原理和基本組成部,包括鎖相環的設計和環路濾波的設計,特別詳述了電荷泵鎖相頻率源;第三,介紹了採用直接調制技術模擬衛星信號的射頻前端的設計;最後,對整個直接射頻調制系統進行測試,結果基本上達到了課題要求。
  6. Secondly, this dissertation analyses the action characters of soccer robot, designs kinds of actions in allusion to switchover of attack and defend, puts forward theory of action selection and rules of action selection in order to realize part cooperation which combines court subarea and switchover of attack and defend when soccer robot is under special state thirdly, after considering the characters of obstacles in the robot soccer, we have founded the collision module, to the current questions of obstacle - escaping arithmetic, we put forward the new obstacle - escaping strategy based on the speed vector information which is able to dope out the potential obstacles in the moving path and count out the suitable velocity to escape obstacles by the aid of the geometry transform of obstacle velocity vector the grid implementation arithmetic of path - searching tree is set forth for the convenience the result of simulating competition showed that this way is suitable to the mobile obstacle escaping

    ( 2 )了足球機人動作的特點,針對機人足球比賽的攻防狀態轉變,進行了各類動作設計;為了使足球機人在特定狀態下,實現局部的配合,將攻防狀態的變化與球場區相結合,提出了足球機人的動作選擇機理和動作選擇的規則。 ( 3 )了機人足球比賽中障礙物的特點,建立了足球機人碰撞模型。針對目前機人足球比賽中避障規劃演算法的不足,提出了基於障礙物的速度信廣東工業大學工學博上學應論文息制定的足球機人避障策略。
  7. And more aperture extension is achieved in this novel esprit - based two - dimensional angle estimatio n scheme using a uniform rectangular array of vector hydrophones spaced much farther apart than a half - wavelength. this proposed scheme and the attendant vector - hydrophone array outperform a uniform half - wavelength spaced pressure hydrophone array with the same aperture and slightly greater number of component hydrophones by an order of magnitude in estimation standard deviation

    結合實際的應用情況,對水聽構成的陣列進行了初步的探討,利用本文前面部的基於單水聽的方法,實現了陣元間距突破半波長上限的局限,並解決了角度估計的循環模糊問題,以較小的硬體代價和運算代價實現陣列孔徑的擴展,提高估計精度。
  8. The research on autonomous navigation and orbital keeping technology of geosynchronous satellites : selecting position vector in the inertia space and longitude, latitude, radial errors in the hill equation as state variables, the precision of orbit determination caused by track dynamic model error, sampling period, and sensor measurement and install error is analyzed

    同步衛星自主導航與軌道保持技術研究:別選取慣性空間位置和採用hill方程表示的經、緯、向徑誤差作為狀態軌道動力學模型誤差、采樣周期以及敏感、安裝等誤差對定軌精度的影響。
  9. The control tactics of space voltage vector are investigated, and the simplified algorithm which judges the sector location of reference vector and calculates switch operation time is put forward. by analyzing the current hysteresis control, the relation between switch frequency, and hysteresis bandwidth and input inductance of pwm rectifier is deduced. by applying instantaneous power theory, the principle of pwm rectifier power control is analyzed, and the direct power control by matlab toolbox through estimating active power and reactive power with virtual flux is realized, and the simulation results prove that it is correct

    對常用空間電壓控制策略進行,提出了給定參考所在區間判斷的簡化方法,以及電壓作用時間的求取方法;了電流滯環控制策略,推導出開關頻率與滯環帶寬以及整流輸入電感之間的關系;應用瞬時功率理論pwm整流功率控制原理,通過虛擬磁鏈估計有功功率和無功功率,用matlab實現了直接功率控制,並驗證了該控制方法的正確性。
  10. Time optimal trajectory planning of hyper redundant manipulator taking its dynamics into account

    一種基於的視覺伺服冗餘機人運動規劃方法
  11. The polarization - dependent diffraction characteristics of the metallic echelle and the total internal reflection ( tir ) types of diffraction gratings are studied, and optimal design method based on the hybrid diffraction method is presented

    針對目前衍射光柵件在損耗、偏振敏感性等方面的不足,本文對金屬反射型以及內全反射型凹面光柵的偏振相關的衍射特性進行了,並基於混合衍射方法提出了更為準確有效的優化設計方法。
  12. The second chapter simply introduces the development of alternate asynchronous inverter technology and retrospects some types of energy - saving systems for hydraulic elevators. then the working principles of the project are discussed and analyzed at four different working status, i. e. light load upwards, heavy load upwards, light load downwards and heavy load downwards. and the chapter focus on the introduction of structure design of pump station, calculation and type selection of pump / motor reversible units, research on oil leakage principles of accumulator circuit, design of accumulator - pump / motor pressure - energy transformer and integrated valve blocks, etc. the last but not the least, the electrical wiring of vector inverter control cabin and design of computer control and data acquisition system are introduced

    論文第二章首先簡單介紹了交流異步電動機變頻調速技術的發展概況,在回顧電梯液壓控制系統節能技術的基礎上,介紹了本課題研製的「採用蓄能的液壓電梯變頻節能控制系統研究」的基本原理,了動力系統在電梯轎廂輕載上下行、重載上下行等四種典型工況下的基本工作狀態和工作方式;詳細地介紹了本課題節能系統液壓動力泵站的結構設計和參數設計,重點研究了液壓動力泵站的結構設計、液壓泵馬達可逆性問題及其選型設計計算、蓄能迴路泄漏油損失機理的研究及其補償裝置的設計、蓄能-泵馬達壓力能轉換裝置的設計、多功能集成控制閥組的設計等內容;最後簡單介紹了本課題控制變頻控制櫃的外部附件電氣接線、計算機控制及數據採集系統的硬體設計等內容。
  13. After the analysis of the state of converter switches, the voltage space vector is received. on the basis of hexagon stator flux trace method of traditional direct torque control, by changing the regulation of stator flux, hexagon and approximate round trace of stator flux can be got when using different voltage space vector. the fast regulation is realized when three - value regulator is used to adjust torque

    通過對逆變開關狀態的進而得到電壓空間,並且論述了電壓空間與轉矩和磁鏈之間的關系,使用兩點式調節方法對定子磁鏈進行調節,實現六邊形磁鏈軌跡和圓形軌跡方案,對轉矩採用三值調節進行調節,以實現轉矩的快速調節。
  14. Familiar with the application of equipment like spectrum, vna, etc

    熟悉電子通信領域常用儀(頻譜儀,網路儀) 。
  15. The acoustic pressure information and particle velocity information are used to study the direction of the arrival estimation by analyzing strong linear spectrum of the single target basing on cross spectrum method

    摘要利用水聽收集到的聲壓和振速信息,研究基於互譜法單目標的強線譜來進行目標方位估計。
  16. In this paper, micro - cavity semiconductor laser ( mcsl ) with pillar vertical - cavity surface - emitting structure ( vcsel ) which has potential applications in optical communication and optical interconnect is theoretically analyzed, the calculation model that used to discuss the modal performance of rectangular columnar and cylinder vcsel with oxidized aperture is established by using vector field model. the numerical simulations in the case of cylinder structure show oscillating wavelength and threshold gain against inside and outside radius of laser, the layer refractive index and pair number of bragg mirror, thickness, position and oxidized material ' s refractive index of oxidized aperture, in detail. more practically, considering dos shell of laser as non - perfect one, or supposing that dos shell is separated from the laser, we can obtain more significative results

    本工作以場模型出發,對具有誘人應用前景的柱形垂直腔面發射結構( vcsel )的微腔半導體激光( mcsl )進行了理論,建立了用於方柱形和圓柱形結構具有氧化孔徑層的激光的模式特性的理論模型;對圓柱形結構情況進行了數值模擬,得到了振蕩波長、閾值增益隨激光內外半徑、 bragg反射鏡層折射率、周期數以及氧化孔徑層厚度、位置和氧化物折射率的詳細變化規律;為使理論計算更接近實際,將外加金屬包殼視為非理想導體,或將金屬包殼與激光結構隔開,別對這兩種情況下的結果進行了討論。
  17. We discussed the four - legged inverter with space vector modulation ( svm ) to aim at three - phase four - line output ; we introduced the principle of three dimensions svm, and attained the related control scheme. with the illustration of 15kva vscf power inverter, we tested and verified that the inverter system under 3d svm control can realize the three phase four line output and linear voltage regulating

    針對三相四線輸出的電源系統,對採用空間控制的四橋臂逆變進行了深入研究,對三維空間調制方案進行了求解、模擬,並給出了適用於15kva變速恆頻電源變換的解決方案,實現了變換的三相四線輸出以及線性調壓。
  18. After the mathematical model of asynchronous electromotor is build, the method of space voltage vector is taken to discuss the essential principle and structure, and arithmetic of direct torque control, and the application of circular magnetic chain self - operated control and the technology of sensor without velocity in direct torque frequency conversion timing are emphasized

    在建立異步電動機的數學模型之後,採用空間電壓方法討論了直接轉矩控制的基本原理結構及其演算法,著重研究了圓形磁鏈自控制和無速度傳感技術在直接轉矩變頻調速中的應用。
  19. The definition and measurement techniques for group delay has been described and analysed in this paper, the new techniques, being called dine - mixer technique and vector - mixer calibration for measuring the absolute group delay of the frequency converters has been researched and analysed in detail also in this paper

    摘要描述和群時延的含義和測方法,著重研究了變頻鏈路絕對群時延的測方法,對三混頻混頻技術進行了詳細和論述。
  20. The direct torque control theory is a kind of new control method after vector control theory in ac control field. it calculates and controls the torque and the flux of ac electromotor in stator coordinate using the voltage space vector. adopting the stator magnetism field direction method, it recurs to discrete pang - pang control producing pulse width modulation signal and controls the switch state of the transductor when better quality steady - state performance is produced

    直接轉矩控制技術是繼控制技術之後交流調速領域中新興的控制技術,它採用空間的方法,直接在定子坐標系下計算並控制交流電動機的轉矩和磁鏈,採用定子磁場定向,藉助于離散的兩點式控制產生脈寬信號,直接對逆變的開關狀態進行最佳控制,以獲得轉矩的高動態性能。
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