調制元件 的英文怎麼說
中文拼音 [diàozhìyuánjiàn]
調制元件
英文
modulation element-
The load current is handled directly by the controller through semiconductor switching devices.
負荷電流由調節器通過半導體開關元件直接控制。This paper supplied a new way through variable frequency variable speed ( vfvs ) to change its output flow rate and adding a constant - pressure - drop valve, which could solve the defects in hydraulic pressure servo control system, such as low efficiency in control system, short life, poor ability in resisting pollution, low efficiency in driving system and flow rate, pressure pulse. and this way was proved to be effective
本論文針對傳統伺服控制系統效率不高、元件壽命短、抗污染能力差、驅動系統效率低、存在流量及壓力脈動等缺陷，利用先進的交流變頻調速技術改變液壓泵轉速的容積調速新方法，提出了在液壓系統中加一個定差減壓閥的新思路，較好地解決了液壓伺服系統存在的上述問題。On the base of the familiarity with the working capacity of every unit the section is one of the main content of the task including the debugging motor servo amplifier servo controller and the whole hardware system ( 5 ) programming on the base of the above work, programming to control the system with mint
控制系統硬體部分的調試。在熟悉各元件工作性能的基礎上，通過大量的實驗，找到正確的連接方法，使硬體系統正常工作。這一部分是本課題的主要內容之一，主要包括對電機、伺服放大器和伺服控制器的調試，以及對整個硬體系統的訝試。This incrementally changes the transconductance of the device, leading to a modulation effect
這一效應會緩慢地改變元件的跨導，從而導致調制效應。In attempt to directly compare the sound response characters of the same bf neurons or different bf neurons and their interactive relation, the double recording microelectrodes were penetrated into two different neurons in iso - frequnency laminas or hetero - frequency laminas. taking advantage of frequency tonotopical arrangement in 1c of bats, it was explored how the neurons integrated different parallel processes of the same sound information. in the case of which, we hoped to explore the relation between the sound response characters of the central auditory neurons and neural modulation in background noise for the further understanding of the mechanism in the central auditory neurons extracting sound signals
本研究以大棕蝠（ bigbrownbat ， eptesicusfuscus ）為模型，利用ic聲調組構排列成同頻層這一結構特點，突破單電極記錄和檢測神經元的方法，同時推進兩單電極至一個同頻層或兩個同頻層的兩個不同神經元，試圖從細胞水平直接比較兩個具有相同和不同最佳頻率的神經元聲信號的加工處理特徵、以及它們之間的相互關系，以期窺探它們在對同一聲信號處理過程中的整合奧秘，並以此為基礎分析和探討背景噪聲條件下中樞神經元聲反應特徵與神經調制的關系，以期進一步了解中樞聽神經元聲信號提取的機制。This paper first begin with the connotation of virtual instrument technology, study and discuss the criterion and the working theory of usb deeply. on the principle of usb1. 1criterion, using usb interface chip usbn9604 and low consumption mirochip c8051f231, we designed the available interface of usb bus and its controlling software, turn the communicating function based usb bus between computer and testing device. second based on the developed interface of usb bus, using microchip pic16c62 and a mount of relays, we designed the multiswitching scanner and its controlling software to complete the funtion of accesses swithing in testing system. third calling the api function inside the windows using vb programming language, communicat with the impelling program of selected hid, achieve the function of testing instrument with usb interface, complete the development of upside software faced testing. at last, based on the deep studying of pcb testing method, used the developed multiswithing scanner and software faced testing, combinated with necessary testing instrument, we constructed the pcb testing system and analized the testing result simply
論文首先從虛擬儀器的技術內涵出發，深入研究和討論了通用串列總線usb規范及工作原理，並依據usb1 . 1規范，採用usb介面晶元usbn9604和低功耗微處理器c8051f231設計開發了通用的usb總線介面及其控制固件，實現了通用計算機與測試設備之間基於usb總線的通信功能；其次，在所開發的usb總線介面的基礎上，使用微處理器pic16c62和多路繼電器開關，設計開發出實現測試系統中測試通道切換功能的多路通道掃描器及其控制固件；再次，採用vb語言編程，調用windows內部api函數，與選定hid類驅動程序進行通信，實現usb總線介面測試儀器功能，完成面向測試的上層軟體開發；最後，在深入研究印刷電路板測試方法的基礎上，利用已開發的多路通道掃描器和面向測試軟體，結合必要測試儀器組建印刷電路板測試系統，並對測試結果進行了簡要的誤差分析。In this dissertation, correlative research of longer - term voltage stability have been carried out, including some slow dynamic elements, such as on - load tap changer ( oltc ), maximum excitation limiters ( mel ), etc. the effects of these slow dynamic elements on the course of voltage instability or collapse are revealed from the point of view of time - domain simulation
本文基於pss e程序中的擴展動態模擬模塊，對考慮有載調壓變壓器（ oltc ） 、最大勵磁限制器等慢動態元件的中長期電壓穩定進行了相關的研究，從時域模擬的角度揭示這些慢動態元件在電壓崩潰過程中所起的作用。Ln power system full dynandc simulation, the electric - mechanical transient processes of dynamic elements of power system should be simulated in detail, and the detailed dynandc models of mid - term and long - term processes are necessary based on the research and analysis for the ndd - term and long - term models, the dynandc models, such as thermal power plant, hydraulic power plant, nuclear power plant and the automatic generation control ( agc ), which are necessary to power syst
電力系統全過程動態模擬除了需要詳細模擬電力系統動態元件的機電暫態過程外，還要有詳細的中長期過程的模型。本文在綜合調查和分析的基礎上，研究了電力系統全過程動態模擬所需要的火電廠動力系統的數學模型、水電廠動態模型、壓水堆核電站模型以及自動發電控制（ agc ）模型及其演算法，並在電力系統全過程動態模擬軟體中得到了實現。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。Functional elements were the dna segments that controlled the process of gene expression and gene regulation, so it was quite significant for people to study these functional elements in biosequences
生物序列中的功能元件是能夠控制基因的表達和調控過程的dna片斷，對它們的研究對於人們理解生物序列的含義具有巨大的意義。The control method was introduced and the hardware of the controller was designed. the controller uses the 89c52 and 89c2051 as the main control unit and produces the on and off and angle signal of each phase. combined with protecting signal and current chopping signal, it can control the igbt on and off
介紹了srd的控制方式和本系統所採用的控制策略，對控制器的硬體電路進行了設計，控制器以89c52和89c2051雙cpu為主控單元，採用模糊調節，發出相通斷信號和角度信號，並和電流、電壓等保護信號以及斬波信號相結合，實現對主功率元件的通斷控制。And, this thesis return as to it ' s measure to measure the proceeding error margin the analysis, and was analyzed by error margin the enthalpy different laboratory matchs the gb / t 7725 - 1996 standard, can be used for measuring the making the cold and making the heat ' s ability, the consuming, the cop, the breeze deal under the steady state or not steady state of air condition of diagraph room, and it can also test the influence of the four channels change to the face valve and and the electronic expanding valve to the whole function of the air condition
而且，本論文還對其測量量進行誤差分析，經誤差分析該焓差室符合gb t7725 - 1996標準，可用於測量房間空調穩態及非穩態製冷能力和制熱能力、工耗、 cop以及空調器室內機組的風量，並能測試四通換向閥、電子膨脹閥等控制元件對空調器整體性能的影響。In chapter 5, the principle of molten carbonate fuel cell power system is introduced. the development of the system, such as the improvement of cell components including electrodes and electrolyte, the fuel processing, the heat recovery, the power conditioning and grid interconnection, the control system and the combine generation
第五章在簡要敘述了熔融碳酸鹽燃料電池發電系統原理后，從以下幾個方面對系統的開發進行了論證:單體元件（電極和電解質）性能的提高，燃料的處理，余熱利用，電力調節和並網，燃料電池/燃氣輪機/汽輪機聯合發電以及系統控制與優化。The object to study in this paper is the electric heat reservoir boiler, which is used to supply heat water and bask for the resident population. the use of the system define the character of the output medium with the lower request on quality and parameter, at the same time, it ask the boiler should has the higher character on the respect of the cost, reliability, economy, and so on. hence, the paper carefully design and study the system for the choice and design of the boiler core heating componet, the lay of the heat exchanger, the working status of the heat reservoir equipment, the adjustment and control mode of to supply heat water. the study work mainly include underside some contents, forexample : 1. to confirm the heat medium parameter to adapt the requirements of the most of the heating equipments and to design the instruction of the boiler and heat reservoir as simple as possible
圍繞上述原則，本文從電熱鍋爐核心加熱元件的選型及設計、換熱面的布置、蓄熱設備的運行工況、供熱的調節方式以及控制方法進行了較細致的研究和計算，具體研究工作有以下幾個方面： 1 .根據使用要求，確定適用於多數採暖設備的熱介質參數，設計在結構型式上盡可能簡單的鍋爐和蓄熱器； 2 .對製造加熱元件電熱管的各種材料進行了對比和分析、在結構尺寸上進行了仔細的分析和計算，根據實際使用條件給出合理的設計，使其具有較高的可靠性和使用壽命； 3 .對不同換熱面布置形式進行傳熱分析。Electronic units are applied to this device and poleless power regulating method is employed to control heating units, therefore the water temperature near the gate is prevented from being affected by the temperature change of surroundings and ice - free temperature is maintained all the time
該裝置利用電力電子元件，採用無極調功的形式控制加熱元件，使閘門附近的水溫不受環境溫度變化的影響，始終保持在不凍的溫度。Based on the analysis of the working principles and the circuit features of the air - condition controller, the circuit is described by the logic signal, and according to the fault features of the components and some rules the number of sample is decided
在系統的分析了空調控制櫃的工作原理和電路特點的基礎上，選擇了電路的通斷信號對電路狀態進行描述，並根據電路元件的故障特點和一定的原則確定了采樣點數目。Stochastic and uncertain performance of power systems is thoroughly studied with a probabilistic simulation method in this paper. based on modeling of element failure and dispatching measures, static, dynamic and integrated securities are analyzed, and hence operation states are quantitatively classified. in probabilistic static security assessment, sequential and non - sequential monte - carlo sampling techniques are applied considering time varying parameter and constraints
本文採用概率模擬方法，深入研究了電力系統運行中的隨機和不確定特性，在對元件隨機故障和調度控制措施建模的基礎上，對系統的靜態安全、動態安全和綜合安全進行概率評估，建立了電力系統運行狀態的量化分析模型。By way of exception the test of the control - unit, the volume regulator can be adjusted
例外的是控制元件測試。在此過程中仍可以操作音量調節器。Magnetorheological dampers are semi - active control devices, which have the virtue of quick response, excellent stability and continually changing their state, and are a promising type of devices on structure vibration reduction
磁流變液體阻尼器作為一種用於半主動控制的作動器，具有響應快、穩定性好且能連續可調的優點，成為結構減振控制中新一代的控制元件。All the controlling and regulating elements are installed on the front panel for the convenience of use
控制、調節元件均安裝在面板上，使用方便。分享友人