輸出電壓精度 的英文怎麼說

中文拼音 [shūchūdiànjīng]
輸出電壓精度 英文
output voltage accuracy
  • : Ⅰ動詞1 (運輸; 運送) transport; convey 2 [書面語] (捐獻) contribute money; donate 3 (失敗) l...
  • : 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...
  • : 壓構詞成分。
  • : Ⅰ形容詞1 (經過提煉或挑選的) refined; picked; choice 2 (完美;最好) perfect; excellent 3 (細)...
  • : 度動詞[書面語] (推測; 估計) surmise; estimate
  • 輸出 : 1 (從內部送到外部) export 2 [電學] output; outcome; outlet; out fan; fanout; 輸出變壓器 output ...
  • 電壓 : voltage; electric tension; electric voltage
  • 精度 : precision; accuracy; degree of accuracy; precision accuracy; trueness
  1. The approximate computation method is used in float point computation of system ' s control algorithms on fixed - point dsp after comparing several methods in respect of running time and program space involved, which attains quick computation besides high precision and implements output voltaic with low harmonic and high control precision of frequency

    通過從運行時間和佔用空間等方面比較在定點dsp上實現浮點數運算的幾種方法,並選擇了近似計演算法作為系統控制演算法浮點數運算的方法,在保證足夠計算的前提下達到計算的快速性,實現低諧波和頻率控制高的
  2. Note : output votage accuracy can select 2 % or 3 % product

    二)輸出電壓精度客戶可選擇2 %或3 %要求供貨
  3. According to the request of this subject, we have developed the system hardware and software for the slave device and the inspection software running on the pc. in this paper all of the followings is illustrated detailedly, such as the research on the principles of measurement and its realization, three means of water - level measurement that are separately based on photo electricity coder, pressure sensor and potentiometer ; selection of the microchip, we choose an advanced integrated soc ( system on chip ) microchip c8051f021 as the main controller ; realization of signal sampling, processing and its conversion in the mcu ; application of high precision 16 bits adc cmos chip - - ad7705 in our system, designing its interface with the microchip and relevant program ; using a trickle charge timekeeping chip ds1302 in the system which can provide time norm and designing of its i / o interface and program ; additionally, a 4 ~ 20ma current output channel to provide system check - up using ad421. in the system, ad421, ad7705 and the microchip compose spi bus ; to communicate with the master pc, here we use two ways which are separately rs232 and rs485 ; moreover, there are alarm unit, keyboard unit, power supply inspection unit and voltage norm providing unit in the system

    針對研製任務的要求,課題期間研製了下位機系統硬體和軟體,開發了上位機監控軟體,其中所作的具體工作包括:測量原理的研究和在系統中的實現,在本次設計中用三種方法來進行水位測量,分別是旋轉編碼器法、液位力傳感器法和可變阻器法;主控晶元的選擇,我們選用了高集成的混合信號系統級晶元c8051f021 ;實現了信號的採集和處理,包括信號的轉換和在單片機內的運算;高集成16位模數轉換晶元ad7705在系統中的應用,我們完成了它與單片機的介面設計及程序編制任務;確時鐘晶元ds1302在系統中的應用,在此,我們實現了用單片機的i o口與ds1302的連接和在軟體中對時序的模擬,該晶元的應用給整臺儀器提供了時間基準,方便了儀器的使用;另外,針對研製任務的要求,還給系統加上了一路4 20ma模擬信號流環的路來提供系統監測,該部分的實現是通過採用ad421晶元來完成的,本設計中完成了ad421與單片機的spi介面任務,協調了它與ad7705晶元和單片機共同構成的spi總線系統的關系,並完成了程序設計;與上位機的通信介面設計,該部分通過兩種方法實現: rs232通信方式和rs485通信方式;系統設計方面還包括報警路設計、操作鍵盤設計、源監控路設計、基準路的設計。
  4. The main contents to be studied and solved are shown as follows : designing scheme of the error compensation system, studying and designing the signal conditioning circuit, designing the data - acquisition circuit, designing and realizing the max1457 software development system. the compensating circuit is designed in virtue of the signal conditioning chip max1457 as its core. the data - acquisition circuit is designed in virtue

    硬體方面,根據總體方案設計了以信號調理晶元max1457為核心的補償路;以max1401為核心的數據採集路,用來採集傳感器的和max1457;設計了max1457路, max1457的是失調dac和靈敏dac的參考,採用了ad586給max1457提供密5v
  5. This regulator can generate output voltage as high as 12v with wide input voltage range of 2. 6v to 5. 5v. it has the advantages of high - precision, simple circuit, low power consumption, wide temperature range of - 25 to 85 and 90 % high convert efficiency. at the same time, the ic has two switching frequencies ( 640khz or 1. 2mhz selectable ), under - voltage protection and programmable soft - start

    該晶元採用0 . 6微米bcd工藝製程,在2 . 6v 5 . 5v的范圍內可實現高達12v的升功能,工作溫范圍為- 25 85 ,轉換效率達到90 % ,具有實現路簡單、輸出電壓精度高、功耗低等優點。
  6. Svc series single - phase stabilizer which are composed of contact type self - coupling voltage regulator, automatic sampling control circuit and servimotor, having the advantage such as compact size, light werght, stable and continuous voltage provision wide voltage adjustment and negligible wave form distortion

    Svc系列單相高全自動交流穩器是由接觸調器、取樣控制路和伺服機組成;具有連續平穩、調范圍寬、波形失真小和穩定可靠等優點
  7. Svc series three - phase stabilizer which are composed of contact type self - coupling voltage regulator, automatic sampling control circuit and servimotor, having the advantage such as compact size, light weight, stable and contnuous voltage provistion wide voltage adjustment and negligible wave form distortion

    Svc系列三相高全自動交流穩器是由接觸調器、取樣控制路和伺服機組成,具有連續平穩、調范圍寬、波形失真小和穩定可靠等優點。
  8. High resolution digital smps becomes the hotspot in the power supply field. more and more attention has beed payed to how to realize high resolution digital smps, and it has already taken a long step develop. improving the resolution of digital smps by new techniques becomes a forever topic. under the learning of the status and develping trend of smps, considering the practical requirement of task, a control system of smps implemented by microcontroller with high resolution, high speed, high integration is carried out. by combining the embedded system and power electronics, it is discussed that a high resolution smps ’ s output voltage with 0. 01 % resolution pwm wave output, in the basis of microcontroller, and the pwm wave double modulation arithmetic

    不斷用新技術手段實現數字開關源的高是一個永恆的話題。經過了解國內外開關源的發展現狀和發展趨勢,結合實際課題的要求,提了使用高、高速、高集成的微控制器組成開關源的控制系統。討論了將嵌入式系統與子結合,在微控制器硬體基礎上通過軟體pwm波雙調制演算法pwm波,實現開關的萬分之一的方法。
  9. The test results demonstrate that this prototype has excellent comprehensive performances such as small bulk, lower weight, high efficiency, high steady precision, fast dynamic response, wide range input voltage, good output waveforms, strong over - load and short - circuit ability, and strong function with different nature load and three - phase unbalanced load

    試驗結果表明,該變流器具有體積重量小、變換效率高、靜態高、動態響應快、變化范圍寬、波形質量高、過載與短路能力強、帶不同性質負載和帶三相不平衡負載的能力強等優良的綜合性能。
  10. Current voltage isolated conversion module is a kind of miniaturization insert type construction conversion module, between its supply power input signal and output signal are isolated each other, its input ac voltage or ac current can be transformed into ma or v standard signal output. it has accuracy high, linearity good, debug simple, work stable and reliable and so on features, apply to electricity parameter display, record and monitor of the dcs system fields

    隔離轉換模塊是一種小型化插裝式結構的轉換模塊,其具有工作入信號信號三者相互隔離,能將入的交流或交流流轉換成420 ma或15 v標準信號,具有高,線性好,調試簡單工作穩定可靠等特點,適用於量參數的顯示記錄dcs系統的監控等場合。
  11. By the means of theory, simulation and experiment, the second part of this paper is then analyzed which is on the equivalent output resistance and inductance of the selected inverter and the effect to the output voltage ' s amplitude and phase caused by the different values of the inverter ' s component. it is concluded that by selecting certain precision level components, the difference of the output voltage amplitude is much greater than that of the output voltage phase

    其次通過理論、模擬和實驗分析了本文所採用的流雙閉環瞬時控制方式逆變器的等效阻抗和兩臺逆變器器件差異對的幅值差和相位差的影響,從而得選用一定的器件,兩臺逆變器的幅值差比相位差大得多的結論。
  12. At last, the experiment result proved the effectiveness of the spectrum rebuilding technology. the experiment result show that the wavelength detection accuracy is improved by an order of magnitude using the spectrum rebuilding technology compared with that obtained from direct peak search. some other schemes to enhance the accuracy are illustrated

    最後列舉了其它幾種提高測量的方案,包括關鍵器件可調諧濾波器的位置變化提高信噪比,調整探測器pinfet的的零點以提高a / d採集卡的利用率,以及採用系統參考消除系統誤差造成的波長漂移。
  13. In this paper, basic circuit models of cc - current mirror and active impedance are analysed and a new active feedback current mirror is proposed which can achieve larger output impedance, higher current transfer precision, lower power and wider signal dynamic swing

    系統地分析了流傳送器的組成模塊? ?流鏡和有源阻,同時提了一種改進型有源反饋流鏡路。該路能大大提高阻,同時能保持原路的流轉換高、低功耗、更寬更良好的動態范圍。
  14. But often what is not obvious when reading a manufacturer ' s data sheet is how the initial accuracy of the device is affected by other key device parameters such as line regulation, load regulation, initial voltage error, output voltage temperature coefficient ( tc ), output voltage noise, turn - on settling time, thermal hyste - resis, quiescent supply current, and long - term stability

    但,人們閱讀廠家的數據手冊時,因受諸如()線性調整率、負載調整率、初始誤差、系數tc 、熱遲滯(系數) 、靜態流和長期穩定等參數的影響而使初始往往不明顯。
  15. The inverter apparatus controlled by pre - set voltage adjustment project has the advantages of low harmonic content, high output frequency precision, simple control circuit. therefore, this kind of project is the hot point in inverter power studying field

    用「開關預置式調節方案」控制的逆變源具有諧波含量低、頻率高、控制路簡單等優點,是逆變源研究領域的熱點。
  16. Abstract : after the relationship between radial and tangential strains and resistance changes of strain gage on the surface of elasticity pressure sensor is established by finite element method, the output voltage is related to the resistance changes in the electrical bridge, and the nonlinear precision of this kind of pressure sensor is analyzed

    文摘:本文用有限元方法分析平膜片式力傳感器彈性元件表面徑向應變及切向應變與薄膜應變片阻值變化的聯系后,根據橋原理得到與其之間的關系,最終並分析了傳感器之非線性
  17. In order to conquer the shortcoming of general pwm forcibly switch technology, it takes advanced soft switch technology to recede the switch spoilage of power component and will be benefit to improve the frequency of switch electroplating power and raise the control precision and smooth of the output voltage and current of the electroplating power. it designs a digital software electroplating power that bases on the 80c196mc and epld ( erasable programmable logic device )

    為了克服常規pwm硬開關控制技術的缺陷,本文採用先進的軟開關技術,大大降低了功率開關器件的開關損耗,提高了源的開關頻率,改善了流的平滑性與控制,採用基於80c196mc單片機與可擦除可編程邏輯器件epld組成的全數字化控制系統,研製了一臺軟開關源。
  18. In order to get good dynamic as well as static performance, multiple - loop control strategy with the instantaneous outer voltage loop and inner current loop is used in pfc converter based on dsp tms320lf2407a

    內環通過瞬時值控制獲得快速的動態性能,保證畸變率較低,外環使用的瞬時值控制,具有較高的
  19. Is a kind of miniaturization insert type construction conversion module, between its supply power input signal and output signal are isolated each other, its input ac voltage or ac current can be transformed into ma or v standard signal output. it has accuracy high, linearity good, debug simple, work stable and reliable and so on features, apply to electricity parameter display, record and monitor of the dcs system fields

    是一種小型化插裝式結構的轉換模塊,其具有工作入信號信號三者相互隔離,能將入的交流或交流流轉換成420 ma或15 v標準信號,具有高,線性好,調試簡單工作穩定可靠等特點,適用於量參數的顯示記錄dcs系統的監控等場合。
  20. In the seventh chapter, some of the above proposed new circuit, such as high frequency, high definition 12 - bit, 80mhz samples / s current - steering dac and fully differential r - mosfet - c bessel filter with accurate group delay, high accuracy bandgap reference and high drive capability cmos operational amplifier have been applied in communication gsm baseband i / o port integrated circuit, all the above blocks meet well with the design requirements of the system, and gain the better testing results, in the mean time, the above proposed high accuracy bandgap reference circuit als

    第七章:將本文第二章提的高速、高12位、 80mhz采樣率流舵結構的數模轉換器和第五章提的r一mosfet一c結構且具有確群時延值的貝塞爾( bessel )濾波器以及第六章提的高帶隙基準源和高驅動能力全差分運算放大器路應用於通信gsm基帶入/埠晶元,滿足系統設計要求並取得了令人滿意的實測結果。
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