高分差動 的英文怎麼說
中文拼音 [gāofēnchādòng]
高分差動
英文
hvd（high voltage differential-
The main computer is programmed under windows, while the assistant computer is programmed under dos. the last, based on the idea of module - structure, the software of the testing system are designed, thus this software system is compatible and transplantable to design again. the experiment of measuring principle is taken : take the xy flat of lathe as the parallel - pole device and adjust the angle of sensor, the rotating - probe can test the felloe mould in scanning way
藉助虛擬儀器的思想，對測控系統進行了設計：採用光柵尺、光電編碼器測量可動部件的運動量，解析度高、誤差小；採用細分驅動的步進電機裝置，控制性能好；系統實施環境溫度的檢測、補償，提高了檢測精度；基於兩級微機組建測控系統：主機為人機界面，採用windows編程，從機用dos編程，實時性好；軟體設計採用兼容性和移植性好的模塊式結構，便於二次開發。Several mode of the subdividing drive are integrated in one system. so the control become multiplex. the displacement can be divided to whole step part and microstep part. microstep part is used to satisfy the precision of position, while whole step part is used to satisfy the speed of position
實現多重細分和變細分調速，提高了細分驅動的靈活性和可選擇性；根據整步位移無控制誤差，將點位行程拆分為整步位移部分和滿足定位精度的微步距位移部分，分別以不同的細分數運行同時滿足點位控制的速度與精度要求。Compared with the behavior of macromolecules in real solution system, the adsorption information in the monte carlo simulation system, such as adsorption isotherm, surface coverage, and bound fraction, was studied for discussing its relation to simulation parameters. five - selection simple cubic lattice, self - avoiding walk, and nearest interaction model were used to construct the homopolymer adsorption model on the solid - liquid interface. periodic boundary conditions were used to reduce the fixed error from limited cubic lattice in size
模擬中採用五選擇簡單立方格子上的自迴避行走和最近鄰相互作用模型；使用周期性邊界條件以減小有限大格子空間帶來的系統誤差；用鏈節間相互作用能、界面吸附能、體相濃度和鏈長約束體系中的高分子的吸附行為；用末端轉動、 l -翻轉、曲柄運動、蛇形運動和r - r切除-生長法對模擬體系進行擾動；用系統達到吸附平衡后的樣本來研究模擬體系中的高分子鏈在固液界面上的吸附。The high - speed transmission error test system is a new system for te test and analyzing, which applied plus zoom theory and computer, combined the newest development of electron technology
「高速傳動誤差測量系統」是以微機為核心，結合電子技術的最新發展，將脈沖信號細分原理與微機應用相結合的新型傳動誤差分析系統。Children of the member that partial hobo children learns to proofread worker of ab extra wu is avoided receive education to compensate gold, get great welcome, but hobo children school also is existing pay of insecurity of persons qualified to teach, teacher standard of persons qualified to teach of not tall, whole is wronger wait for a problem
部分流動人口子弟學校對外來務工人員子弟免收教育補償金，受到極大歡迎，但流動人口子弟學校也存在著師資緊張、教師待遇不高、整體師資水平較差等問題。In order to make the sensitivity of 2 - demension accelerometer along the two main arbors almost identical, symmetric four - beam structure that embeds a double - sides interdigitated differential capacitive with puckered beam in two directions was used as sensitive component. in addition, the differential capacitive accelerometer fabricated by bulky silicon micromechanical technique has high sensitivity, wide measurement scope, less nonlinear error, and simple converting circuit. then, the structure parameters of the sensitive component were calculated and stimulated, which results in a set of the optimized structure design parameters, main fabrication procedure and several key fabrication technology
為使二維振動傳感器在兩主軸方向的靈敏度大致相同，敏感元件採用高度對稱的四梁結構，其中每個軸向上均採用帶折疊梁的雙側叉指電容結構，採用體硅微機械工藝製作的高深寬比叉指電容式敏感元件，具有高靈敏度、寬量程、非線性誤差小、外圍電路簡單等優點;對設計的敏感元件結構參數進行了計算，並利用有限元法進行了模擬分析，根據模擬結果得出了優化參數;在確定敏感結構的基礎上，研究了敏感元件採用體硅微機械加工工藝製作的工藝流程和關鍵工藝技術;對敏感晶元內部的c - v介面電路進行了原理設計與分析，利用差動測量技術得到由振動引起的微小電容變化量，經c - v介面電路進行相位調制處理，然後通過解調輸出與加速度成正比的電壓信號。Using the dynamic mechanical analyzer ( dma ), pdms / pma ipn was investigated at temperature of 5 - 180 c. the initiator, the component ratio, the type of pdms and the filler effected the damping properties. the result showed that the damping ability varied with the parameter and there was an optimal value. the excellent damping material in the papers was ipn, where tan man was 0. 735, and the damping functional temperature ranged with tan 8 > 0. 3 was 46 c. the micro - morphology and structure of pdms / pma ipn were characterized by two kinds of sem
高分子阻尼材料的有效阻尼功能區是在ipn材料的t _ g區間內，而研究常溫條件下的阻尼性能更具有重要應用價值，運用動態熱機械分析（ dma ）儀對ipn阻尼材料進行表徵，在5 180內對其損耗因子（ tan ）進行研究，發現引發劑和交聯劑的用量、聚硅氧烷的用量和分子量等參數對ipn阻尼性能的影響較大，存在一個合理配比值，當pma與粘度為3300pa ? s的pdms之比（質量比）為1 . 17 ： 1 、交聯劑用量為1時， tan最大值為0 . 735 ，大於0 . 3的溫域差達到46 。In this thesis improved algorithms are presented as follows : ( 1 ) an algorithm based on the detection of arithmetical series is presented to deinterleave radar signals with stagger pris, especially to those with high order stagger ones. but this algorithm is limited to the model of stagger pri presented by resnick ; ( 2 ) an algorithm is presented to estimate the pris of radar signals with jittered pris based on stochastic dynamic - linear models. this algorithm fits radar signals with jittered pris well, especially when jittered amount is large
針對這種情況，本文提出了以下改進的重頻分選演算法： （ 1 ）針對參差pri脈沖列提出一種重頻分選演算法，該演算法使用等差數列的檢測進行參差鑒別，非常適于對高參差雷達脈沖列的分選，但只局限於雷斯尼克提出的參差模型； （ 2 ）針對抖動pri脈沖列提出基於動態線性模型的重頻分選演算法，非常適用於抖動量較大的情況。Because of the phase errors caused by aircraft ' s motion errors, accurate motion compensation should be applied to get high resolution, high contrast and low geometric distortion sar images
因為由雷達載機運動誤差帶來的相位誤差，為了獲得高分辨力、高對比度、小幾何變形的圖像，就需要進行精確的運動補償。A type of distortion that results when dpcm is applied to television. it manifests itself as a visually noticeable jitter in those parts of the image that have high - contrast edges
當差分脈碼調制（ dpcm ）用於電視時所產生的一種失真。在具有高反差邊緣的圖象上，這種失真表現為一種明顯的視覺抖動。In order to improve the behavior of transformer protection that is incomplete at present in distinguishing magnetizing inrush current from fault current, the paper puts forward a kind of new principle of transformer differential protection after analyzing the characteristic of magnetizing inrush and active power consume of transformers. this protection uses differential protection based on positive sequence active power as a criterion to discriminate internal faults from magnetizing inrush, and ratio restraint differential current protection as a signal to touch off the protection
針對當前電力系統中變壓器保護由於勵磁涌流鑒別理論不完善而導致的誤動率相對較高的問題，論文在分析了變壓器勵磁涌流特性和有功損耗的基礎上，提出了用變壓器正序有功功率差動作為區別勵磁涌流和故障電流的判據，並以成熟的比率制動差流保護作為內外部故障判據的變壓器主保護。The thesis has done the widespread investigation and study to the domestic and foreign ’ s technologies of analogy low voltage and low power, and analyzes the principles of work, merts and shortcomings of these technologies, based on the absorption of these technologies, it designs a 1. 5v low power rail - to - rail cmos operational amplifier. when designing input stage, in order to enable the input common mode voltage range to achieve rail - to - rail, it does not use the traditional differential input pair, but use the nmos tube and the pmos tube parallel supplementary differential input pair to the structure, and uses the proportional current mirror technology to realize the constant transconductance of input stage. in the middle gain stage design, the current mirror load does not use the traditional standard cascode structure, but uses the low voltage, wide - swing casecode structure which is suitable to work in low voltage. when designing output stage, in order to enhance the efficiency, it uses the push - pull common source stage amplifier as the output stage, the output voltage swing basically reached rail - to - rail. the thesis changes the design of the traditional normal source based on the operational amplifier, uses the differential amplifier with current mirror load to design a normal current source. the normal current source provides the stable bias current and the bias voltage to the operational amplifier, so the stability of operational amplifier is guaranteed. the thesis uses the miller compensate technology with a adjusting zero resistance to compensate the operational amplifier
本論文對國內外的模擬低電壓低功耗技術做了廣泛的調查研究，分析了這些技術的工作原理和優缺點，在吸收這些技術成果基礎上設計了一個1 . 5v低功耗軌至軌cmos運算放大器。在設計輸入級時，為了使輸入共模電壓范圍達到軌至軌，不是採用傳統的差動輸入結構，而是採用了nmos管和pmos管並聯的互補差動輸入對結構，並採用成比例的電流鏡技術實現了輸入級跨導的恆定;在中間增益級設計中，電流鏡負載並不是採用傳統的標準共源共柵結構，而是採用了適合在低壓工作的低壓寬擺幅共源共柵結構;在輸出級設計時，為了提高效率，採用了推挽共源級放大器作為輸出級，輸出電壓擺幅基本上達到了軌至軌;本論文改變傳統基準源基於運放的設計，採用了帶電流鏡負載的差分放大器設計了一個基準電流源，給運放提供穩定的偏置電流和偏置電壓，保證了運放的穩定性;並採用了帶調零電阻的密勒補償技術對運放進行頻率補償。Hvd high voltage differential
高分差動The devices have many merits. they can sensitively and reliably cut off all the faults occurring in the power system. even under the critical situation, faulting on the long heavy load transmission lines through high ground resistances, the criterion based on fault components still has considerable sensibility
此裝置的優點是：能夠靈敏、可靠的切除電力系統發生的各種故障，尤其是基於故障分量的差動判據與傳統差動判據相比，在重載線路上發生各種故障，即使是高阻接地時，也具有很好的靈敏性。A more reasonable method to calculate soil ' s damage value is advanced, which bases on extrema of irregular dynamic shear stress. previously it bases on peaks of shear stress to calculate damage value, but by this method the destructive action of multi - point inputted earthquake is overestimated, especially in the second half section of responding shear stress " time history the shear stress caused mainly by differential force undulate slightly on one side of its zero line
以往計算土體在不規則的動剪應力作用下的損傷值根據的是動剪應力的峰值，在時域內多點輸入分析中，由於差動力的的存在，使得時程後段動剪應力不穿零而在一側做幅度不大的波動，基於峰值的損傷值計算特別過高地估計了這段剪應力的破壞作用，過高的程度還隨延時增加而增加。Simulations show that the average error of the proposed method is reduced 72 % of the traditional method
對飛機目標角運動參數估計過程的模擬結果表明，與傳統高分辨測角方法相對比，所提方法的平均誤差降低了72 % 。Abstract : for high arch dams in valleys with the characteristics of high water head, large discharge and large power, the problems of energy dissipation and scour prevention are serious. based on scientific studies, new comprehensive measures are proposed, including dispersion of discharge to waken wallop of the current, and reinforcement of riverbed to enhance the erosion - resistance. the measures can be used to solve the problem of energy dissipation properly. a typical layout scheme has been proposed in which slotted bucket with diversion teeth, double deck with pores, and cushion pool are considered practice has proved that the scheme is reliable and the effect of energy dissipation is obvious
文摘:高拱壩泄洪消能的特點是壩高落差大，流量大，功率大，位於河谷狹窄地區，泄洪消能與防沖問題突出.經科學研究，採用「分散泄洪，削弱水流沖擊力，加固河床，增強河道抗沖能力」的綜合治理措施，較好地解決泄洪消能布置問題.提出了表孔大差動坎加分流齒、雙層多孔、水流撞擊、下設水墊塘聯合消能的典型布置方案，經實踐證明，方案可靠，消能效果好The feasibility and effectiveness of this method have also been discussed through numerical simulation. finally, the dynamic adjust scheme for compensating the position and orientation errors of the grasped load has been developed to complete the assignment of the required object trace. the manipulating precision of grasped load has been improved by adjusting the input angle of each joint
最後，在前面分析的基礎上，採用柔性機器人協調操作的位姿誤差動態校正策略，以兩柔性機器人協調操作剛性負載完成給定的目標軌跡作業任務為例，規劃了兩柔性機器人各關節的校正輸入量，通過改善關節的輸入來提高系統的位姿操作精度，取得了較滿意的結果。A comparision between the partly - weigthed least - squares estimation and the kalman filter is made on precise kinematic gps positioning with the fixed ambiguities, which shows that the positioning results from the partly - weigthed least squares, which accuracy is at the level of 10 cm, are much more accurate than the results from the kalman filter, which accuracy is at the level of a few meters
針對高精度動態定位結果的精度，對最小二乘法和經典kalman濾波這兩種演算法進行了綜合分析和比較。算例顯示，在高精度gps動態測量中，最小二乘法可以提供厘米級精度的位置結果，而kalman濾波演算法不但不能提高定位結果的精度，反而會給定位結果引入米級的偏差。The operation reliability of the power transformer as the key equipment in electrical power systems, influences operation security of electrical power systems directly. the components and contents of gases dissolved in transformer oil can be used to reflects internal insulation faults of operating transformer. in order to overcome the errors caused by complex handling procedure and man - made factors using general chromatogram analysis method, author brings forward an on - line detecting of gases dissolved in transformer oil by using macromolecule polymer to separate oil and gases automatically and an information fusion technology of multi - sensors ; at the same time, in order to improve the accuracy and reliability, author uses neural networks to diagnose transformer faults
變壓器作為電力系統的樞紐設備，其運行可靠性直接影響電力系統的安全運行；變壓器油中溶解氣體的成分和含量能有效體現運行變壓器內部的絕緣故障情況，為解決常規色譜分析中復雜的操作程序和由於人為因素引起的較大的誤差，論文提出了應用高分子聚合膜實現變壓器油氣自動分離、多傳感信息融合技術智能檢測多種氣體成分的變壓器油中溶解氣體在線監測技術，應用神經網路智能診斷方法實施故障診斷，提高變壓器故障診斷的準確性和可靠性。分享友人