相交精度 的英文怎麼說

中文拼音 [xiāngjiāojīngdù]
相交精度 英文
intersection accuracy
  • 相 : 相Ⅰ名詞1 （相貌; 外貌） looks; appearance 2 （坐、立等的姿態） bearing; posture 3 [物理學] （相位...
  • 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...
  • 精 : Ⅰ形容詞1 （經過提煉或挑選的） refined; picked; choice 2 （完美;最好） perfect; excellent 3 （細）...
  • 度 : 度動詞[書面語] （推測; 估計） surmise; estimate
  • 相交 : 1 （相交叉） intersect: ab與cd兩直線相交於e點。 the lines ab and cd intersect at e ; the line ab ...
  • 精度 : precision; accuracy; degree of accuracy; precision accuracy; trueness
  1. In contrast to traditional synchronous motor of electrical excitation, permanent - magnet synchronous motor ( pmsm ) has more advantages, especially the occasion that requires high precision of control and high reliability, such as avigation, numerical control machine tool, processing center, robot and so on. in addition, it plays an important part in ac motor in modem times

    與傳統的電勵磁同步電機相比，永磁同步電機具有許多優良的特性，尤其是在要求高控制精度和高可靠性的場合，如航空、數控機床、加工中心、機器人等方面獲得了廣泛的應用，在現代交流電機中也佔有舉足輕重的地位。
  2. 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。
  3. It was shown that the dimension analysis was an effective method in simulating the complex laser bending process, and the control model that came from non - dimensional group data of simulations, was a high - accuracy model in predictive analysis

    研究結果表明，利用量綱分析法模擬復雜的激光彎曲過程是簡便有效的，基於模擬模型無因交次群組合的設計相應的參數可使控制模型達到較高的預測精度。
  4. Secondly, he establishes a rule table of vehicles " behaviors based on analyzing them. the table can simplify the model of vehicle ' s following and lane changing so that it will shorten the time of simulation. and thirdly, by using the cache technology of level - two time cell, the author solves the conflict, which arises from the limited memory and the masses of cache that is needed to get the better precision in simulation

    本文在系統設計中，用匝道控制和主線控制相結合的方法，進行高速公路全線交通的綜合控制，優化控制效果；根據車輛行為分析，建立了車輛行為規則表，將車輛跟馳模型和換道模型簡化為車輛行為表，減少了模擬時間；採用二級時間片的緩沖技術，解決了模擬過程為達到較高模擬精度所需的大量緩存與有限內存空間的矛盾。
  5. In some projects charged by our lab such as national 863 project - " crop planting management components based on weather analyse ", anhui provincial 95 key project - " agricultural meteorology disaster evaluation system base on gis in anhui province " and the project " small coal mine security management and decision system based on gis in anhui province ", this paper combines the theory and arithmetic of rough set with gis and data mining in idss, investiges the application of rough set theory to precision analysis of attribute data and logical operation in gis, analyzes the logical operation based on rough set ( logical union, logical intersection, logical complement, mixed logical operation etc. ), so that it can give a method y to research the gis attribute data and the uncertainty of attribute data after superposition operator, so as to express the roughness and illegibility of attribute data more accurately

    在完成試驗室所承擔的國家863項目「基於氣象分析的農作物種植管理軟構件」 、省95攻關項目「基於gis的安徽省重大農業氣象災害測評系統」和「基於gis的安徽省小煤礦安全管理決策系統」等項目中，將粗糙集理論和演算法與gis 、智能決策系統中的知識發現等相結合，對粗糙集理論在gis屬性數據和邏輯運算精度分析中的應用情況進行了研究，分析了基於粗集的gis邏輯運算（邏輯並、邏輯交、邏輯補、混合邏輯等） ，從而為研究gis屬性數據及其疊加運算后屬性數據的不確定性提供了一種方法，能比較準確地表達屬性數據的模糊性和粗糙性。
  6. Motion control is a comprehensive subject. modern ac drive is a important embranchment in the field of motion control. however, it is difficult to rea1ize high - performance ac drive systems because induction motors are a kind of strongly - coupled nonlinear system with many variables and the torque is not easy to control. with vector control technology decoupling and torque control of ac motor are solved. the basic idea of vector control is that three - phase system is equiva1ent to two - phase system by coordinate transformation and it realizes the decoupling between field current and torque current of the stator in order to control the flux and current respectively, thus induction motor can be considered dc motor and high performance is achieved easily. with the progress of electric and electronic technology and the development of computer, high - integrated special modules and high - precision digital signal processor ( dsp ) are applied to ac drive so that vector control has been developed rapidly

    但是高性能的交流調速系統實現很困難，這是因為交流電機是多變量、強耦合的非線性系統，不易實現高性能轉矩控制。矢量控制技術則解決了交流電機解耦與轉矩控制問題，其基本思路? ?應用坐標變換將三相等效為二相，實現定子勵磁電流分量與轉矩電流分量之間的解耦，達到對交流電機磁鏈與電流分別控制的目的，交流電機等效為直流電機實現高性能調速。隨著電力電子技術的進步，計算機技術飛躍發展，高度集成的專用模塊和高精度的數字信號處理器應用於交流傳動系統中，促進矢量控制迅猛發展，日趨成熟。
  7. In order to enhance system ' s interaction ability, spatial and temporal sharing technology should be improved in following areas : increase participant behavior ' s accuracy and consistency ; support multiple participants to operate one entity in same time ; be adaptable to different tasks, offer different level of accuracy and consistency according to different types of task ; be adaptable to different bandwidth, transfer most important messages according to current bandwidth

    為了提高系統的交互性，時間和空間共享技術要在以下方面進行改進：提高系統的行為再現精度和一致性；一致性控制支持不同用戶在同一時間對同一個物體進行操作；使系統具有對任務的自適應能力，能根據用戶從事不同類型的任務提供與之相適應的再現精度和一致性；使系統具有對網路帶寬自適應的能力，根據當前的帶寬情況選擇最重要的信息進行傳輸。
  8. The reasoning of structured model : how to transfer structured model into mathematical model that can be solved by an arithmetic system ; the determination of the most appropriate target case includes two steps : the first is wide retrieval, and the second is extract retrieval that is a method driven by adaptation rules. the case base maintenance : case storage and case knowledge maintenance. the last part of this paper is about the real information system, which introduces the analysis and design of the information system and uses a real case to describe how the system operates

    這些研究工作包括：事例和問題的知識表示：給出屬性集、結構集和目標集的事例表示方法；知識化模型的推理：結構化的模型如何轉化為求解系統可識別的屬性模型的過程；最相似事例的確定：兩步選擇過程，粗選過程按屬性相交度，精選按類比轉換的規則驅動的確定最相似事例的原則和方法；類比轉換的方法：確定在一定條件下的轉換方法；事例庫的維護：事例庫是可維護的，一方面隨著系統解決問題的增多，事例庫也會不斷擴大知識領域；另一方面，通過事例庫維護模塊，可以從用戶那裡得到新的建模知識。
  9. Svc series single - phase stabilizer which are composed of contact type self - coupling voltage regulator, automatic sampling control circuit and servimotor, having the advantage such as compact size, light werght, stable and continuous voltage provision wide voltage adjustment and negligible wave form distortion

    Svc系列單相高精度全自動交流穩壓器是由接觸調壓器、取樣控制電路和伺服電機組成;具有輸出電壓連續平穩、調壓范圍寬、輸出波形失真小和穩定可靠等優點
  10. Svc series three - phase stabilizer which are composed of contact type self - coupling voltage regulator, automatic sampling control circuit and servimotor, having the advantage such as compact size, light weight, stable and contnuous voltage provistion wide voltage adjustment and negligible wave form distortion

    Svc系列三相高精度全自動交流穩壓器是由接觸調壓器、取樣控制電路和伺服電機組成，具有輸出電壓連續平穩、調壓范圍寬、輸出波形失真小和穩定可靠等優點。
  11. At the same time, the method of disposal phase shift of ct by compensation is introduced. then the analysis and statistic of electrical power quality, the control scheme and compensating amount of capacitor for reactive power compensation are analyzed respectively. and in the paper, the control with a / y and the switch with ac contactor and solid state switch is valid measure not only for improving operate level economically and amending electrical power quality but also for avoiding of replacing switch frequently and decrease economic loss

    然後對現有的演算法進行了詳細的分析、比較，篩選出既能滿足硬體要求又可降低投資、保證精度、簡化軟體的方案，確定了準同步采樣的方案，並通過對準同步采樣誤差的分析，提出了一種從45開始采樣，從而提高精度的采樣數據處理辦法，同時，對于電流互感器相位漂移提出了一種補償辦法，接著對裝置中電能質量分析與統計以及無功補償中電容器的補償量、投切原則也作了相應分析，其中對于無功補償採用y混合接線，並利用交流接觸器和固態開關共同投切電容，不但提高了經濟運行水平、改善了電能質量，而且有效的避免了頻繁更換開關，減少了經濟損失；最後，設計了裝置的硬體電路並繪制了相應的軟體流程圖。
  12. The results show that wavelength locates in gain zone of semiconductor optical amplifier, and have higher peak power and proper time delay between the two pulses for the second order super gauss control pulse in semiconductor optical amplifier. a high quality amplified signal pulse can be achieved. the chirp can be reduced notability by using cascading soa in cross gain modulation based on soa, and the distance and the peak power of conversion optical pulse can be increased notability, and we can let down the demand for wavelength based on xgm in soa and enhance the flexibility of wavelength conversion

    我們應用二階超高斯光脈沖與高斯信號脈沖同時注入soa和應用soa與非線性光學環鏡（ nolm ）相結合的方案來對信號脈沖進行壓縮整形，模擬顯示，在調節系統合適參數的情況下，波長位於soa增益區的二階超高斯控制光脈沖在具有較高的峰值功率和適當時延下輸入soa時，最後可以得到放大的高質量超簡訊號光脈沖；在基於soa的交叉增益調制（ xgm ）全光波長轉換中，採用級聯的soa能有效地使反轉光脈沖的頻率啁啾得到有效降低，波長向下轉換的距離和反轉光的峰值能量都得到明顯提高，降低了利用交叉增益調制（ xgm ）波長轉換中對波長精度的要求，從而提高了波長轉換的靈和性。
  13. The tests results indicates that the method o f spatial resection with multi - images is reliable, it can meet the high calibration precision request ; the calibration results of two ccd cameras are exact and reliable in the paper

    試驗結果表明，多片空間後方交會檢校方法是可靠的，應用這種檢校方法可以滿足較高精度的檢校要求；論文中二臺相機的檢校成果正確可靠。
  14. Current voltage isolated conversion module is a kind of miniaturization insert type construction conversion module, between its supply power input signal and output signal are isolated each other, its input ac voltage or ac current can be transformed into ma or v standard signal output. it has accuracy high, linearity good, debug simple, work stable and reliable and so on features, apply to electricity parameter display, record and monitor of the dcs system fields

    電流電壓隔離轉換模塊是一種小型化插裝式結構的轉換模塊，其具有工作電源輸入信號輸出信號三者相互隔離，能將輸入的交流電壓或交流電流轉換成420 ma或15 v標準信號輸出，具有精度高，線性好，調試簡單工作穩定可靠等特點，適用於電量參數的顯示記錄dcs系統的監控等場合。
  15. It can save many workloads of the next pick - up feature and feature matching. to suffice third dimension effect and reconstruction precision, first, obtain enough feature points by feature picking - up, and then use original matching arithmetic to obtain original matching points by taking covariance as comparability measurement. at last, match step by step that include use loose matching and lemds to remove the wrong matching points

    為滿足真實感效果和重建精度，本文先通過特徵提取和交叉匹配獲得足夠多的特徵點;然後對採集到的特徵點以協方差為相似性度量，利用初始匹配演算法獲得初始匹配點集合;對匹配過程中產生的錯誤匹配點採用鬆弛匹配和最小中值法相結合的方法，進行分步匹配來剔除，滿足了精度要求。
  16. Intelligent tri - phase ac active reactive power instrument adopt advanced microprocessor carry out smart control, and to the inputed tri - phase ac voltage and current signal carry out accurate measurement, through cpu automatically count out the tri - phase ac active reactive power value total power, conduct clear and visual display by high brightness led display tube, it can be simultaneously transferred to standard voltage current signal to transmit output, and have super - limit control alarm standard serial communication function etc

    智能三相交流有功無功功率儀表採用先進的微處理器進行智能控制，對輸入的三相交流電壓與電流信號進行精確的測量，經過cpu自動計算出三相交流有功無功功率值總功率，由高亮度led數碼管進行清晰直觀的顯示，同時可轉換成標準電壓電流信號變送輸出，並具有超限控制報警標準串列通訊等功能。
  17. Intelligent tri - phase ac current voltage instrument adopt advanced microprocessor carry out smart control and to inputed tri - phase ac current voltage signal carry out accurate measurement, after through cpu arithmetic processing it is displayed clearly and visually by the high brightness led digital tube, and have super - limit control alarm serial communication function etc

    智能三相交流電流電壓儀表採用先進的微處理器進行智能控制，對輸入的三相交流電流電壓信號進行精確的測量，經過cpu運算處理后，由高亮度led數碼管進行清晰直觀的顯示，並具有超限控制報警標準串列通訊等功能。
  18. Adopt advanced microprocessor carry out smart control and to inputed tri - phase ac current voltage signal carry out accurate measurement, after through cpu arithmetic processing it is displayed clearly and visually by the high brightness led digital tube, and have super - limit control alarm serial communication function etc

    採用先進的微處理器進行智能控制，對輸入的三相交流電流電壓信號進行精確的測量，經過cpu運算處理后，由高亮度led數碼管進行清晰直觀的顯示，並具有超限控制報警標準串列通訊等功能。
  19. Adopt advanced microprocessor carry out smart control, and to the inputed tri - phase ac voltage and current signal carry out accurate measurement, through cpu automatically count out the tri - phase ac active reactive power value total power, conduct clear and visual display by high brightness led display tube, it can be simultaneously transferred to standard voltage current signal to transmit output, and have super - limit control alarm standard serial communication function etc

    採用先進的微處理器進行智能控制，對輸入的三相交流電壓與電流信號進行精確的測量，經過cpu自動計算出三相交流有功無功功率值總功率，由高亮度led數碼管進行清晰直觀的顯示，同時可轉換成標準電壓電流信號變送輸出，並具有超限控制報警標準串列通訊等功能。
  20. Compared with normal synchronous motors, the permanent magnet synchronous motor ( pmsm ) is effective, high pull - in torque, fast speed response and well speed precision in open loop

    永磁同步電動機（ permanentmagnetsynchronousmotor ，以下簡寫pmsm ） ，與普通交流電機相比，具有效率高，功率密度高、啟動轉矩大、響應速度快、開環轉速精度高、等諸多優點。
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