源電平 的英文怎麼說
中文拼音 [yuándiànpíng]
源電平
英文
source level-
The distance between the acoustic-emission source and the receiving transducer, and the background noise level are primary factors in selecting a particular frequency band.
聲發射源與接收訊號傳感器間的距離以及環境噪聲的電平是選擇頻帶的主要依據。In the hardware design, the paper completes modules ’ design like outside memory, patulous a / d, patulous d / a, rs232 communication, ecan communication, led control, keyboard control, distant control, emulation, reset, logic voltage switch, dsp supply power regulate and ac - dc power circuit, as well as room layout design like anterior panel, back panel etc. and dsp transfers data with peripheral equipments except outside memory using serial ports. besides, the whole circuit is configured in interrupt response. thus, it can meet system demand as well as take full advantage of tms320f2812 ’ s hardware resource. in the software design, the paper finishs programs like the interface programms intercommunicates with people, the distant control program, ad and da modules ’ control program, in addition, the paper select the velocity and acceleration state - feedback algorithm and is written in the program. the software design uses dsp integrate exploiting environment named ccs2. 2 of ti inc. as software instrument, and programs with the combination of c language and assembly language. moreover, in order to maintenance or modify the software expediently and shorten software ’ s exploitation time, the design adopt software modularization technique. finally, some air cylinder experiments are carried out to proved that the pneumatic controller is very practical
在硬體設計中,本文完成了片外存儲器擴展、 a / d擴展、 d / a擴展、 rs232通信介面、 ecan通信總線介面、液晶顯示控制、鍵盤控制、遠程控制、模擬、復位、邏輯電平轉換、 dsp工作電源校正電路和ac - dc電源等模塊設計以及控制器前面板、後面板等的空間布局設計。其中dsp與除外部存儲器的外圍設備之間的數據傳送全部採用串口通信,同時系統電路配置成中斷響應方式,這樣既滿足了系統要求,又充分利用了tms320f2812的硬體資源。在軟體設計中,本文完成了人機界面功能模塊、遠程控制模塊、 ad擴展模塊、 da擴展模塊、速度和加速度狀態反饋的控制演算法的程序設計。If you turn down the volume level of the amplifier too low, the auto power on / off function may activate, causing the subwoofer to enter power saving mode
您如果把放大器的音量電平調得太低,自動電源開關功能即可能會被激活(打開) ,而使副低音揚聲器進入節電模式。For a class of series - wound active power line conditioner the design approach law of a new fuzzy integral sliding mode variable structure control is presented. this method adjusts power electronic switch in order to achieve anticipated balance volt, finally makes active power line conditioner not only possess good robustness of variable - structure control and decrease vibration to the most but also increase the steady state precision. series - wound aplc adopted this control method possesses good dynamic and steady state performance
針對串聯型有源電網調節器運用變結構控制策略,調節電力電子開關模式,以獲得預期的平衡電壓,對串聯型有源電網調節器提出了模糊積分變結構控制方法,使串聯型有源電網調節器既保持了常規滑模控制強魯棒性的優點,又減弱了滑模控制的抖振,提高了系統的穩態精度,使系統具有良好的動態和靜態性能,模擬試驗表明該控制策略是一種十分有效的控制方法。Based on the above theoretical analysis, a 1kw three - level buck converter with passive soft switching is designed in this thesis
在理論分析的基礎之上,本文結合多電平技術與無源軟開關技術,設計了一臺1kw的無源軟開關三電平buck變換器。The main work of this thesis is theoretical and experimental research on non - isolated single - end three - level dc / dc converters with passive lossless soft switching. a 1kw three - level buck converter with passive soft switching is designed to verify the research
本文的主要工作是對無源軟開關三電平非隔離dc dc變換電路的理論與實踐研究,設計並實現了一臺功率1kw的無源軟開關三電平buck變換器。The thesis mainly discusses the design and implementation of electronic chart basic plat which is the essential part of ecdis
本文重點研究ecdis的墓本信息源?電子海圖基礎平臺的構建與實現問題。D / a conversion chip and isolation amplifiers are used to obtain the comparative levels required by isolation channels, which could be set with actual requirement ; it can enhance flexibility of the module. otherwise, four - channel isolation signal sources are exported using d / a conversion chip and isolation amplifiers as well
另外還利用d / a轉換晶元和隔離運算放大器輸出四路隔離信號源,該隔離信號源能與隔離比較電平通過繼電器進行程式控制切換,這樣擴展了該計數器模塊的功能。In the active circuit part, based on the theories of multiplier of srd and fet, we have designed the circuit of x band 6 multiplier and ka band tripler. then they are simulated and optimized using harmonic balance method. furthermore, the results of optimization and experiments are analyzed
在有源電路部分,我們介紹了階躍管、 fet倍頻器的基本原理,在此基礎上分別設計了兩個倍頻器電路,然後利用諧波平衡法進行了模擬,並對模擬、測試結果作出了比較。We also studied some characteristics of sidagating effect using mesfet fabricated in planar boron implanted process including photosensitive, hysteresis, influence of sidegating effect on mesfet threshold voltage, influence of drain - source voltage on sidegating threshold voltage, influence of exchanging drain and source electrode on sidegating threshold voltage, relation between sidegating threshold voltage and the distance between side - gate and mesfet, relation between sidegating effect and floating gate, and so on
本文還採用平面選擇離子注入隔離工藝,開展了旁柵效應的光敏特性、遲滯現象、旁柵效應對mesfet閾值電壓的影響、 mesfet漏源電壓對旁柵閾值電壓的影響、漏源交換對旁柵閾值電壓的影響、旁柵閾值電壓與旁柵距的關系、旁柵效應與浮柵的關系等研究。On the base of chaos inherent in the switched - mode power supply the idea is present to uses controlling parameters to change the state of the circuit to reduce emi level
從開關模式電源電路中固有的混沌現象出發,提出了應用組合參數控制改變電路工作狀態降低電磁干擾水平的思路。Cascade multilevel converter with separated dc sources based on sps - spwm
的獨立電源級聯型多電平變換器研究The researching of inverter for ffl
平面燈源電源轉換器之開發Some relative technical constraints have been considered, such as power balance, hydro / thermal power balance, construction start and power commencement date
以電源投資費用等年值最小為目標函數,結合相關技術約束(電力平衡、水火電平衡、電源投產電廠開工時間)條件,克服了組合爆炸問題。According to negative temperature coefficient of vbe and positive temperature coefficient of vt, a framework of band - gap voltage reference is investigated. the reference offer a source of pir, distributed three voltage, one as upper - threshold voltage of dual - threshold comparator, the other as lower - threshold voltage of comparator, the other as direct current voltage for second band - pass filter amplifier
同時利用pnp晶體管發射結電壓的負溫度特性和發射結差值電壓的正溫度特性設計了一個帶隙基準電壓源。此帶隙基準電壓源本身作為熱釋電紅外傳感器的電源電壓,同時分壓提供雙限電壓比較器的上限電平和下限電平以及第二級帶通濾波放大器的直流電平。The technology how to apply data control and ado control to dispose database, establish database, add database, access to database and display, print the charts in database by vb6. 0, how to make use of mscomm control to finish the serial communication function with voltage conversion, how to make use of mciwnd control to realize the function of multimedia, how to design the mpu software and hardware such as collecting data, processing data, controlling output, the serial communication interface, processing interrupt source, processing power down and applying the big screen lcd is discussed in the thesis
本文還介紹了vb6 . 0採用data控制項和ado控制項開發數據庫,實現數據庫的建立、添加、訪問和數據圖表顯示、列印;利用mscomm控制項,通過電平轉換,實現串列通訊功能;利用mciwnd控制項,實現系統的多媒體功能;以及單片機系統軟硬體總體設計包括數據採集、數據處理、輸出控制、串列通訊介面設計、多中斷源處理、系統掉電處理、大屏幕lcd應用等技術。So the peripheral parts are not need any more, which makes the unit simplified. the design of active electrodes, moving the amplifier to the front electrode, simplifies the central unit further
同時有源電極的設計令放大電路前移以及採用了其他微型元器件(電源穩壓晶元、電平轉換器等)進一步使中心處理單元微型化。The hardware circuit is designed for the system, including the power module, clock circuit module and jtag interface
對整個系統的硬體電路進行了設計,包括相應的電源模塊、時鐘電路模塊、電平轉換模塊和jtag介面。The paper designs a type of circuit which combines gps receiver with computer by means of the icl232 integration chip. it achieves deliver and receiver at the same time. it gives receiver program chart
採用icl232單電源集成電路晶元設計gps接收機與微型計算機介面電路,可以同時實現發送和接收信號的電平轉換,並給出了接收的流程圖。Specification for analogue voltage ranges and logic levels for mains operated nuclear instruments
電源控制的核儀表的模擬電壓范圍和邏輯電平規范分享友人