電位式分析器 的英文怎麼說

中文拼音 [diànwèishìfēn]
電位式分析器 英文
potentiometric analyzer
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  • : 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. 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移等待自同步方案,設計、完成並給出了詳細硬體連線路圖、軟體程序流程圖和部程序清單,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。
  2. Depend on the comprehensive analysis and study of the structure, principle, and exterior characteristic of the motor, through the methods of system modeling and digital simulation analysis, two kind of control device that work for the low voltage ( lvdc ) and the high voltage ( hvdc ) in avigation are researched respectively. point to the control technique of close - loop speed stabilization at a limited adjustment speed range, we bring out the close - loop speed control method that using the rotor position sensor indirectly measure the speed of the motor

    在全面了稀土永磁無刷直流動機的結構特點、工作原理、運行方以及外部特性的基礎上,通過系統建模和數字模擬別針對航空低壓直流( lvdc )和高壓直流( hvdc )兩種動機構用永磁無刷動機,在小范圍轉速連續調節下的閉環穩速控制技術進行了詳細理論研究,提出了利用轉子置傳感信號間接測量機轉速進行機轉速閉環穩速控制的策略。
  3. As a result, the electromagnetic field intensity is changed accordingly and fluctuating current in the damper coil is created. damping force is mostly produced because of the phase difference between fluctuating current and displacement of rotor. the formulas of fluctuating current and damping coefficient are deduced theoretically, and the calculated results are consistent with the experimental results

    通過發現磁阻尼線圈內由於轉子渦動時變化的磁場而產生的波動流與轉子移間的相差是產生阻尼的主要原因,推導了波動流、阻尼系數的計算公,並通過實驗展示了被動磁阻尼的阻尼效應。
  4. In digital relay, the percentage of noise will increase rapidly with the increase of sampling rate when derivation calculus is substituted by sampled difference term. to solve this problem, a new method using fragment function integrated with the least square algorithm is proposed in this paper. the influence of white noise is greatly reduced and the accuracy of the dead angle calculation is nicely improved after adopting the new method

    在數字保護中,如果用差代替求導將導致噪聲的百比誤差隨著采樣頻率的提高而劇增,本文對此進行了並提出了用段樣條函數最小二乘法來計算流波形的導數值,以便在提高采樣率的同時降低噪聲誤差的影響,並將其應用於基於32浮點dsp的新型變壓保護裝置。
  5. A new measurement system for electrical conductivity in an yj - 3000t press fitted with a wedge - type cubic anvil was set up on the basis of the old one. a solartron 1260 impedance / gain phase analyzer was used in the new system ; mo electrodes and a mo shield were also used to keep oxygen fugacity close to the mo - moo2, which is similar to that of iron - wustite ( iw )

    在yj ?緊裝六面頂壓機上,對原有的礦物、巖石性測量系統進行了進一步的改進:建立了一套以solartron1260阻抗增益?相儀為測試儀,使用mo極和mo盾來控制樣品氧逸度的測量系統,該系統的氧逸度環境為mo ? moo _ 2 ,接近iw緩沖對。
  6. Based on the thorough investigation of the post - regulation and efficiency in multiple output switching - mode power supplies, an optimal combination topology for multiple output switching converter is presented in this thesis, which is consisted of forward converter with active clamp ( fac ), synchronous rectification ( sr ) techniques and magnetic amplifier technique ( magamp )

    本文通過研究近年來多路輸出開關源輔助輸出壓調節和提高效率的方案,面對開關源朝著輸出低壓大流方向發展的趨勢,提出多路輸出開關源新的拓撲優化組合模? ?有源鉗正激變換、同步整流技術、磁放大
  7. Second, the results of theory analysis and simulation research show that the output of one cycle controlled bridge switching power amplifier have dc offset because of the nonideal characteristic of reset signal. the magnitude of output dc offset voltage is proportional to width of reset pulse. a voltage compensation technique is used to solve this question, and the computation formula of compensation voltage is gived. the circuit compensated and not are researched through simulation and experiment, which results show that compensated circuit solve the output dc offset effectively

    其次,理論和模擬研究結果表明,由於復脈沖的非理想特性,單周控制的全橋開關功率放大輸出端存在直流偏置問題,其大小與復脈沖的寬度成正比。針對輸出直流偏置問題,提出了壓補償的改進方案,給出了補償壓的具體計算公。對補償前和補償后的方案進行了對比模擬研究和實驗研究。
  8. Digital signal processor ( dsp ) combined with repm bldcm, which build up a dc adjustable speed system, achieve to control multiple motor speed, positive and negative rotate, protect and fault exemine by a true single chip. design and present a electromagnetism scheme of repm bldcm used in electromotion chair drive system. select electronical components and chips in the drive board by contrast with variant drive mode. design the drive board principle picture, make a drive board pcb and debug it. design a principle picture with dsp core. workout the motor control code introduced popular programme modle. test the programme reliability and control performance by linking tms320lf2407 evm, pc, drive borad and the bldcm. the bldcm swatch is prepare experiment

    本論文闡述了方波驅動稀土永磁無刷直流動機的原理及數學模型;設計並給出了一種動座椅用稀土永磁無刷直流動機的磁設計方案;對機採用何種驅動方進行了對比;對驅動路進行了元件選型、原理圖設計、制板及調試;有針對性的闡述了dsp在本系統應用中所涉及到的功能模塊;設計了以dsp為核心的控制路原理圖;以模塊化的軟體編程思想編制了機控制軟體;通過tms320lf2407目標板、上機、驅動板及機的聯調,證明了系統可行。
  9. 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容結構,採用體硅微機械工藝製作的高深寬比叉指敏感元件,具有高靈敏度、寬量程、非線性誤差小、外圍路簡單等優點;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,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介面路進行了原理設計與,利用差動測量技術得到由振動引起的微小容變化量,經c - v介面路進行相調制處理,然後通過解調輸出與加速度成正比的壓信號。
  10. 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;對置同步的控制方法進行了比較,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,並用pid控制進行參數整定,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,在編程中著重研究移傳感與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。
  11. After that, based on the datum of the dsp and the correlative chips, the paper designed the key circuit in the data processor module. the design of the interface modules of the control system is the following work. they were the interfaces connecting controller with digital, analog network, and the monitor computer respectively

    接下來,設計了系統的整體結構;研究了嵌入控制系統在進行數據處理時所採用的件以及dsp和相關的晶元資料之後,確定使用tms320vc5402作為系統的數據處理,設計了數據處理模塊的部關鍵路和dsp的16並口自舉加載方
  12. As a separate system, the system of statistics and analysis for the reliability of low - voltage user records reliability datum of every low - voltage user by gathering terminals, collects and deals with these datum with the technique of low - voltage power line carrier by lumped instrument. last, the datum in the lumped instrument are read in the database of the master station computer by telephone network

    低壓用戶可靠性統計與系統作為獨立系統,以低壓臺區為單,通過採集終端記錄每個低壓用戶的可靠性數據,再採用低壓載波由集中裝置對這些數據進行集中並處理,主站計算機以話網路撥號的方將集中中的數據讀入數據庫。
  13. This thesis focuses on the ingress process module of ctu, which translates c - 5 dcp format to rainier 4gs3. the specification analysis, architecture and logic design, functional simulation testbench design, synthesis report and testing result are discussed in this thesis. the research work mainly includes : the specification analysis and design requirements of ctu logic ; the architecture and logical design of ingress process module, which includes receive control fsm, send control fsm and cell position adjustment logic ; the performance improvement of ingress process module to receive and transmit data cell at the full line speed

    本論文的主要研究工作包括:通信協議轉換邏輯的功能和設計需求;通信協議轉換邏輯上行方向的系統及體系結構設計,包括上行接收狀態機、發送狀態機、信元內元組置調整機制等的設計;通信協議轉換邏輯上行方向的線速設計,主要是上行接收的線速設計,要使用流水設計技術;提出了高速實現roundrobin調度策略的實現方法,並設計實現了桶和優先級編碼路;應用bfm模擬模型設計了上行處理各模塊的模擬testbench ,完成了各級模塊的模塊模擬和系統集成模擬。
  14. The mathematic model of capacitance level sensor with probe attachment

    帶有極掛料的傳感的數學模型
  15. This paper researches basic principle of microwave digital phase shifter deeply, reviews different theories of all kinds of microwave digital phase shifter circuit, analyzes loaded - line phase shifter in detail and draws design curves according to formulas. and this paper presents a novel method, which makes use of modeling simulation that software - ansoft serenade 8. 7 provides to evaluate parameter values of pin diodes through s parameter measurement. then, a kind of 6 - bit digital phase shifter circuit is designed and simulated through software - ansoft serenade 8. 7

    本文對微波數字移相的基本理論進行了較深入的研究;綜述了各種微波數字移相路的工作原理,著重對加載線移相路進行了理論,並根據計算公作出一系列相應設計曲線;提出利用軟體ansoftserenade8 . 7所提供的測量數據擬合功能,通過測量s參數來確定pin二極體等效路參數的新穎實驗方法;利用微波路設計軟體ansoftserenade8 . 7對6數字移相路進行模擬、優化設計,做出樣品,並對其性能測試,對研製微波數字移相具有重要的參考意義。
  16. In theoretical analysis, finite element method is firstly used to solve the mechanical - electric coupling problems in a flexible plate with piezoelectric elements and to obtain structural vibration modal shapes. focusing on collocated type of piezoelectric sensors / actuators, the maximum determinant of fisher information matrix criteria is chosen as the optimization function and then simplified to determine an optimal principle for the best location of piezoelectric elements

    本文研究柔性板振動控制中壓元件的置優化設計問題,針對壓傳感和驅動的同布置結構型,將壓元件的有限元方法與d優化設計準則相結合,直接利用結構的模態振型確定壓元件在柔性板上的最優置。
  17. The basic working principles and characteristics of srm will be described firstly in this paper, as well as its developing survey and researching directions. and then the srd system will be separated into several function parts to be introduced respectively in details : ( 1 ) to analyze the basic characteristics of the srm including electromagnetism, current and torque of every angle field of the rotor based on the subsection - linearized inductance characteristics of stator windings and several idealized supposes. ( 2 ) how to design and realize the h - bridge converter, and the method to use it ; ( 3 ) how to design and realize the controller based on dsp ( tms320f240 ) and the control strategies, as well as the program ; ( 4 ) to introduce the monitor program running in a pc, which is programmed by delphi

    本文首先介紹了srm的基本工作原理和特點以及srd系統發展概況和研究方向,然後以srd的功能構成為線索進行介紹: ( 1 ) srm的特性及控制策略,在段線性化等簡化條件下得出了各個轉子置角度區間的磁、流和轉矩特性並了控制策略; ( 2 )設計了h橋功率變換的設計和工程實現的方法,並設計了基於這種功率變換的換相邏輯; ( 3 )設計了以dsp為核心的控制以及控制方法,並介紹了該控制的軟硬體實現; ( 4 )介紹了如何用delphi編制實現上機監控程序。
  18. So the development of self - energy sf6 cb is very important. in the paper, the math model of arc - quenching chamber air - pressure character is built on the base of 126kv / 31. 5ka self - energy sf6 cb ' s exploiting, then the theory analysis and calculation is deeply been done for cylinder radius, nozzle spout radius and opening position of moved contact that they have the essential effect for the use of arc energy in the course of opening. arc - quenching chamber parameter is confirmed according to the request of full opening and fault opening when the cb is opening

    本文針對126kv31 . 5ka自能sf _ 6斷路的研製,建立了相應的滅弧室氣壓特性數學模型,對自能sf _ 6斷路開斷過程中弧能量利用有重要影響的滅弧室缸徑、噴口直徑、動觸桿開口置進行了詳細深入的理論和計算,並根據斷路開斷中的滿容量開斷和近區故障開斷的要求確定了滅弧室參數。
  19. On the base of roundly analyzing and studying the running mode of the sensorless bldcm, we explain theories and realizable methods of detecting back electromotive force, phase verdict and phase compensation in detail. in order to improve the timing performance, the control strategy of this system is to use digital speed closed - loop control

    在全面研究了無置傳感無刷直流動機運行方的基礎上,細致闡述了反勢過零檢測、相判斷及相補償的原理及實現方法,並且為了在較寬的范圍內提高bldcm的調速性能,採用了數字轉速閉環控制。
  20. Secondly, we prove the self - relation function and correlation function of pseudo noise code sequence and obtain the shift register generating circuit from it ' s generating function

    然後,通過偽碼的生成多項,導出偽碼的移寄存生成路,並了偽碼的自相關特性和互相關特性。
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