給定電位計 的英文怎麼說
中文拼音 [gěidìngdiànwèijì]
給定電位計
英文
setting potentiometer- 給 : 給Ⅰ動詞1 (送對方某物; 使對方得到) give; grant 2 (用在動詞后 表示交與 付出) pass; pay 3 (叫; ...
- 定 : Ⅰ形容詞1 (平靜; 穩定) calm; stable 2 (已經確定的; 不改變的) fixed; settled; established Ⅱ動詞...
- 電 : Ⅰ名詞1 (有電荷存在和電荷變化的現象) electricity 2 (電報) telegram; cable Ⅱ動詞1 (觸電) give...
- 位 : Ⅰ名詞1 (所在或所佔的地方) place; location 2 (職位; 地位) position; post; status 3 (特指皇帝...
- 計 : Ⅰ動詞1 (計算) count; compute; calculate; number 2 (設想; 打算) plan; plot Ⅱ名詞1 (測量或計算...
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On the demand of application and according to the soluhons menhoned above, a method of displacement waiting auto - sy ' nchronizing is put forward, which is based on match filters. at the end a complete and speeflc set of hardware circuits and software programs which haplements the scheme, is also presented in the ancle. the synchronization system was tested in the pool and in the shallow wate near m port, the result of the test shows that its performance is satisfactory
論文著重介紹實現了跳頻通信系統同步的一般方法,並詳細分析和對比跳頻同步系統的捕獲方案,在此基礎上,提出了一個基於匹配濾波器的位移等待式自同步方案,設計、完成並給出了詳細硬體連線電路圖、軟體程序流程圖和部分程序清單,該自同步方法在實驗室水池實驗取得良好的效果,並在廈門港海域進行了現場實驗測試,具有較低的誤碼率和一定的檢測概率,結果令人滿意。To oversee all the details yourself in person ; to be at once pilot and captain, and owner and underwriter ; to buy and sell and keep the accounts ; to read every letter received, and write or read every letter sent ; to superintend the discharge of imports night and day ; to be upon many parts of the coast almost at the same time ? often the richest freight will be discharged upon a jersey shore ; ? to be your own telegraph, unweariedly sweeping the horizon, speaking all passing vessels bound coastwise ; to keep up a steady despatch of commodities, for the supply of such a distant and exorbitant market ; to keep yourself informed of the state of the markets, prospects of war and peace everywhere, and anticipate the tendencies of trade and civilization ? taking advantage of the results of all exploring expeditions, using new passages and all improvements in navigation ; ? charts to be studied, the position of reefs and new lights and buoys to be ascertained, and ever, and ever, the logarithmic tables to be corrected, for by the error of some calculator the vessel often splits upon a rock that should have reached a friendly pier ? there is the untold fate of la prouse ; ? universal science to be kept pace with, studying the lives of all great discoverers and navigators, great adventurers and merchants, from hanno and the phoenicians down to our day ; in fine, account of stock to be taken from time to time, to know how you stand
親自照顧一切大小事務;兼任領航員與船長,業主與保險商;買進賣出又記賬;收到的信件每封都讀過,發出的信件每封都親自撰寫或審閱;日夜監督進口貨的卸落;幾乎在海岸上的許多地方,你都同時出現了似的; ? ?那裝貨最多的船總是在澤西岸上卸落的; ? ?自己還兼電報員,不知疲倦地發通訊到遠方去,和所有馳向海岸的船隻聯絡;穩當地售出貨物,供給遠方的一個無饜足的市場,既要熟悉行情,你還要明了各處的戰爭與和平的情況,預測貿易和文明的趨向; ? ?利用所有探險的成果,走最新的航道,利用一切航海技術上的進步; ? ?再要研究海圖,確定珊瑚礁和新的燈塔、浮標的位置,而航海圖表是永遠地改而又改,因為著計算上有了一點錯誤,船隻會沖撞在一塊巖石上而至於粉碎的,不然它早該到達了一個友好的碼頭了? ? ,此外,還有拉?貝魯斯的未知的命運; ? ?還得步步跟上字宙科學,要研究一切偉大的發現者、航海家、探險家和商人,從迦探險家飯能和腓尼基人直到現在所有這些人的一生,最後,時刻要記錄棧房中的貨物,你才知道自己處于什麼位置上。In the positioning servo - system, which generally is configured by the d. c. pulse width modulator ( pwm ) velocity governing system and position servo - loop, the parameter perturbance of pwm velocity loop really exist by reason of such as the load behavior ; power voltage supply ; operating setting value, etc. 1, 2 , and it cannot be ignored. by using the identification technique to form the mathematical model of the system, authors have confirmed the facts. therefore, to design the discrete sliding mode controller ( dsmc ) of the positioning servo - system, the perturbed parameters value bounds of the pwm velocity loop, which is as the controlled plant of position servo - loop, should be accounted. consequently, the design principle of dsmc for accounting system with parameter perturbance is proposed by the authors. the proposed method can ensure the stability of system with parameter perturbance and the behavior of non - overshoot, fast precise positioning. in order to reveal the effects of the design method, the comparative research work is done by the authors. also, it has been tested in an industrial experiment, the results proved it is satisfactory
由直流脈寬調速系統( pwm )和位置環構成的定位系統中,速度環的參數隨負載特性;電網電壓;給定工況而攝動是不容忽視的.作者通過系統辨識建模也證實了這一事實1 , 2 .因此在設計位置環的離散滑模控制時,必須針對速度環(即位置環的控制對象)的參數攝動范圍採用「對象參數攝動離散滑模控制器的設計方法」 ,以確保系統在參數攝動時的穩定性和快速、無超調、準確定位的優良動態品質.為剖析該設計方法的控制效果,本文作了對比性研究,並將該設計方法用於工業試驗中,取得了滿意的結果The three - order modulator has a 2 - 1 cascaded structure and 1 - bit quantizer at the end of each stage, the modulator is implemented with fully differential switched - capacitor circuits. and then, the discussion will begin by exploring the design of various circuit blocks in the modulator in more detail, i. e., ota, switched - capacitor integrator, quantizer, two - phase non - overlapping clock signal, etc., at the same time, these circuits will be simulated in spectre and hspice. at last, the whole cascaded modulator will do behavioral level simulation by matlab soft and simulink toolbox
本論文中,首先介紹模數轉換器的各種參數的意義,以及一階sigma - delta調制器和高階sigma - delta調制器的原理;給出解決高階單環sigma - delta調制器不穩定性的方案,引入級聯結構調制器,特別針對級聯結構調制器中的失配和開關電容積分器的非理想特性進行詳細的討論;本設計的sigma - delta調制器採用2 - 1級聯結構和一位量化器,調制器採用全差分開關電容電路實現;同時對整個調制器的各個模塊進行了電路設計,包括跨導放大器、開關電容積分器、量化器、兩相非交疊時鐘等,並利用hspice和spectre模擬工具對這些電路進行模擬測試;最後,利用matlab軟體和simulink工具對整個級聯調制器進行行為級模擬。Comparing and analyzing the synchronous control strategy, which brings up the new method to control the double un - symmetry jars proceed synchronously with the combination of proportional valve and servo valve, which forms closed loop control ; basing on the above methods, models are made to get mathematics models of position control system and to analyze system model theoretically by using pid controller, we can realize regulating parameters, minimizing synchronous errors and enhancing the dynamic performances ; the simulink tool box in matlab software is used to imitate the system according to the model, which not only makes the result visual and easy to adjust the parameters in interactive way but also lets us understand the effects of different parameters and optimizes the dynamic properties. the theory of plc control in dshp is discussed after advanced understanding of the system movements. hardware design and general regulation are given on the base of siemens company products s7 - 200 plc
本文根據大量的國內外文獻,對研配液壓機的工作原理及設計結構進行了簡介;對位置同步的控制方法進行了比較分析,提出比例閥和伺服閥復合控制的閉環結構來對非對稱雙缸進行同步控制電液比例同步控制方案;在此基礎上著重對比例閥控非對稱缸建模,最後得到位置控制系統的總體數學模型,從理論上對同步系統動態特性進行了分析,並用pid控制器進行參數整定,減小雙缸同步誤差、提高系統的動態響應性能;其中控制性能的分析藉助于matlab軟體中的simulink工具箱,由已建立的數學模型形成模擬模型,得到可視化的模擬結果,從而利於交互方式下調整參數,了解不同的參數對系統的影響,優化同步系統的動態性能;在深入了解系統的動作特性后,對plc控制研配液壓機的原理進行了探討,針對siemens公司s7 ? 200型plc給出了硬體設計的總體規劃,編制出研配液壓機動作控製程序,在編程中著重研究位移傳感器與plc的通訊、雙缸同步運行的pid控制在plc上的實現及bcd碼撥盤輸入程序的植入問題。Chapter three is about the experimental research of the real time optimal position system ( see chapter two ), emphasis on the high performances of 196mx pts interrupt response and safe design of ipm module. the analysis of perfect experimental waveforms and basic algorithm are also provided. chapter four focus on the properties and application of ekf estimator
論文第三章對點對點快速定位系統進行了實驗研究,重點介紹了196mxpts中斷系統對高速處理實時邏輯信號和消除編碼盤光電頭邊緣振蕩效應所起的作用、 ipm模塊的安全性分析設計等,同時給出了完整的實驗波形分析以及基本演算法。Based on the analysis of designed cad graphics and the given parameters, computer can convert the cad graphics to a acdbpolyline which can simulate the routine of the conveyor chain. then by using the method of point - by - point strain calculation, computer could figure out each point ’ s strain of the chains under different load states, and get the results such as strain ’ s maximal and the minimal values and their positions, weight of the strain equipment and power of the drive electric - machinery that the conveyor need
通過對設計的cad圖形和給定參數的分析,將輸送鏈運行軌跡轉化為一條可模擬輸送鏈軌跡的多義線,然後用逐點張力計演算法動態地計算出各種加載狀態下輸送鏈上各點的受力,得出最大、最小受力點的力的大小和位置,拉緊裝置的重量,驅動電機所需的功率等結果。The paper mainly consists of three parts : the theoretical parts include the summarization of meridian research, and the research about the characteristic of low impedance on meridian and acupoints. the second part focuses on the design of the testing instrument, which comprises hardware design and software design. detector collects the reflected information which is stimulated by micro - current on meridian and acupoints, then the signals are transacted by micro - controller and meridian arithmetic, finally the health status report is displayed on screen and can be printed
主要工作分為三個部分,第一部分是經絡研究綜述與經穴皮膚電阻抗特性;第二部分為儀器系統設計,包括硬體設計和軟體設計,實現對採集人體穴位經電流測試(給一定的電流刺激)所反射出來的信息,經微控制器和中醫經穴演算法的處理后,在屏幕上顯示或列印出被測者的健康狀況。For above problems, i design boole process - based algorithm. for example, hazards finding theory work out a formal method of finding hazards by waveforms computing ; waveforms increasing algorithm settle the defect of boole process in feedback cycle treatment ; false paths discerning algorithm can delete useless nodes in netlist effectively ; inertia conflict eliminating method describes the state of nodes truelier and reduces computing
其中,冒險檢測定理給出了通過波形運算檢測電路中冒險現象的哈爾濱工程大學碩士學位論文形式化方法;波形遞增演算法解決了boole過程在處理電路中反饋環問題上的缺陷;偽路徑識別演算法能夠有效地去除電路網表中的無用節點;而慣性沖突消除法能使對節點狀態的描述更加真實,並減少了計算量。It can be seen from the measuring results that the deviation is litter than 10. 1 % when the estimate value of the nature radiation ' s kerma is compared to the average value gotten by standard ionization chamber, and the deviation is less than 16. 2 % when the estimate value of two groups of tlds those measuring radiation in laboratory is compared to the conventional true value in standard radiation field
從參比單位給出的測量結果看出,天然環境輻射比釋動能測量的評定值與標準電離室測量的平均值比較,其偏差好於10 . 1 % ,實驗室射線照射組兩組熱釋光劑量計( tld )測量評定值與標準輻射約定真值偏差好於16 . 2 % 。Automatic water - measuring meter is the combinative production of traditional method and present cmos integration circuit technology. it consists of water - level sensor and mainframe circuit. on the basis of analyzing its application, this paper gives the design of mainframe circuit, including time circuit, time - sequence circuit, input - interface circuit, switch circuit and power circuit
本文在分析cmos集成電路應用的基礎上,給出了自動量水儀表主機電路的設計,包括定時電路、時序電路、輸入介面電路、開關電路和電源電路的設計;其次,對水位傳感器進行了研究,分析了水位傳感器的工作原理、測量使用條件、動態特性、靜態特性以及水位傳感器的率定、標定方法。The dissertation derives from the project “ piezoelectric platform for precision positioning using charge - feedback and nonlinear control method ” supported by national natural science foundation of china ( authorized no. 10376043 ). the principle on the displacement amplifying of the cymbal piezoelectric actuator and the designing of the precision positioning instrument of the cymbal piezoelectric actuator has been introduced in this paper
本課題來源於國家自然科學資助基金項目「電荷反饋式壓電陶瓷精密定位機構及非線性控制技術」 (項目批準號: 10376043 ) 。本文研究了cymbal型壓電作動器的位移放大機理,設計了基於cymbal型壓電作動器的微進給機構。Piston ring is the important accessory of the engine and turning its contour is the key procedure to ensure the performance of piston ring it has great value in economy and society that we develop the nc machining system for outer circle of piston ring to manufacture the high quality piston ring and to replace the import machine according to piston ring contour data provlded by the cad system , it can turn the piston ring contour by controlling the displacement of servomechanism which is controlled by the angle of servo motor it uses the theories of velocity closed loop 、 dlsplacement closed loop and feed forward control to improve the control precision of system on the basis of theories of elastic mechanics and mathematics , the cad system can provide the accurate data required by the nc machine system according to the calculation model and the parameters of piston ring this system integrates the cad cam technology
系統根據活塞環cad系統生成的介面數據,通過伺服電機的轉角位置控制自主研製的高性能微位移進給機構產生給定的位移,以完成活塞環輪廓的仿型加工。系統採用速度、位置閉環控制及前饋控制理論,以提高系統的控制精度。活塞環cad系統以彈性力學和數學方法為基礎,根據常用的計算模型與活塞環參數自動生成數控加工系統所需的精確的介面數據,實現cad / cam一體化。And after the structure simulated by the aid of the finite element method ( fem ) software ansys, the optimal parameters are approached. a mems micro force sensor suitable for the microgripper is achieved which is based on piezoresistance effect of semiconductor. the operating principle of micro force sensor is presented, and modeling, analyzing the structure, achieving the best parameters
為滿足微夾持器的需要,設計了半導體壓阻式mems微力傳感器,分析了微力傳感器的工作原理,對其結構形式進行了建模、分析,求取了結構的最優參數;給出了壓阻式傳感器的基本設計原則,選擇了合理的材料,以力學分析為根據,確定了力敏電阻條的位置,並對電阻條進行了設計,介紹了微機械製作技術,給出了傳感器晶元制備流程。This system provides pulse signal and direction signal to step motor driver by computer ’ s controlling step motor control card, and makes motor and guage ’ s pointer rotate. computer gets the micro displacement measured by grating measuring system via rs232 serial port, and acquires guage ’ s image by high precison ccd camera, then processes the guage ’ s image by software, including pre - processing, graying, binarization, thinning and hough transform, so as to recognize the position of guage ’ s pointer, finally calculates all kinds of precision on basis of algorithm established by national detecting rules of gauges
本系統通過計算機控制步進電機控制卡來給出步進電機驅動器需要的脈沖信號和方向信號,進而帶動電機驅動儀表指針轉動,計算機通過串口實時採集光柵測量系統的微位移信號,並且通過高精度ccd攝像機實時獲取表盤圖像數據,同時通過計算機軟體實現表盤圖像處理,包括預處理、灰度化、二值化、細化和hough變換等,最終快速識別出表盤指針的位置,並根據國家表類檢定規程所制定的演算法檢定出指針式儀表的各種精度。A generator, which provides power to the mount while the main truck diesel engine is switched off, is located at the rear of the cab
一臺發電機,其中規定將權力交給摩而主要卡車柴油發動機關機,位於後方的計程車。In can - bus communication technique, the circuit design method of can - bus node and the technique of structuring distributed can - bus controlling network are put forward, how to realize can calling and broadcasting communication under pelican mode is explained thoroughly, and the computational technique of bit - timing parameter of can controller sja1000 is detailed
在can總線通信技術中,給出了can總線節點電路的設計方法和基於can總線的分散式控制網路的組建方法,詳細論述了增強模式下can總線分散式控制網路實現點名和廣播通信的原理與方法,深入探討了can控制器sja1000位定時參數的計算方法。According to the complicated electromagnetic transient state process of the passive feedback coils, a method that can be used to calculate the equivalent time constants and the electrical parameters are given in this paper. these parameters are important to the design of the device and the power system, and also provide the evidence for the experiment of controlling the plasma unstability
針對被動反饋線圈電磁暫態過程的復雜性,給出了求解線圈等效時間常數和電氣參數的方法,這些參數不僅對裝置的設計和電源系統的設計是重要的,而且為控制等離子體垂直位移不穩定性的實驗提供了依據。Secondly, against the problem that the linearity of inductive micrometer is poor in wide ranges, it compares with the usual methods of non - linearity compensation, and then determines the method used in the system based on the research of characteristic curve of sensor in detail. then, it gives the detailed designs of the embedded application software and the arithmetic of non - linearity compensation. finally, the paper deals with experimental data and analyses the experimental results, with a conclusion shows that the polynomial fitting is a useful method to solve non - linearity of inductive micrometer
首先,針對電感位移傳感器數據處理量大、實時要求性高的特點,確定採用嵌入式處理晶元pxa271作為處理器,並根據實際需要確定性能指標;然後,針對電感位移傳感器在大范圍內線性度差的問題,通過對常用的非線性補償方法進行比較,在詳細研究傳感器特性曲線的基礎上,選用分段多項式擬合的方案進行補償;在此基礎上,對嵌入式應用軟體設計給出了詳細的設計流程和分析說明,最後,對設計的系統進行實驗和數據分析,處理的結果滿足設計的性能指標,說明分段多項式線性擬合的方法在解決電感微位移傳感器非線性問題上是可行的。Given any finite program, no matter how many billions of bits long, we have an infinite number of bits that the program cannot compute
給定任意一個有限位元的電腦程式,不管它有幾兆位元,仍然有無窮多個位元是這個程式無法計算的。分享友人