width control 中文意思是什麼

width control 解釋
寬度調節
  • width : n. 廣闊;寬度;幅度;(布匹的)門面;幅員;廣博。 12 feet in width 闊 12 英尺。 width in the clear 【林業】除皮直徑。
  • control : n 1 支配,管理,管制,統制,控制;監督。2 抑制(力);壓制,節制,拘束;【農業】防治。3 檢查;核...
  1. In designing analogic circuit, we adopt programmable filter max262 to meet the system ' s command. after the step, we can make the signal ' s frequency width is wider and noise level is lower. to make the signal ' s amplitude to meet the analogic to digital device ' s command, we adopt the max551 to finish the gain control

    在模擬電路部分,採用可編程濾波器max262 ,這樣就滿足了該數據採集裝置所採集的信號的頻率范圍較寬以及具有較低的噪聲水平的要求,為了使采樣到的信號的幅度滿足後面a d轉換器的要求,採用max551對采樣到的信號進行調理(增益控制) 。
  2. The company develops the production the panoramic camera to use 120 or220 roll films, the lens focal distance scope : 28 - 300mm, the fuselageuses the pure metal numerical control processing, but preciselyestablishes the shooting angle, the entire automatic attire volume, receives the volume, and may control remotely the photography, in thephotography may the automatic compensation exposure ; the panoramicpicture enlarger and bright room panoramic picture making anenlargement machine may use in 80 cm length the panoram negative, extremely conveniently manufactures each kind of width the panoramicpicture

    公司研製生產的全景照相機使用120或220膠卷,鏡頭焦距范圍: 28 - 300mm ,機身採用全金屬數控加工,可精確設定拍攝角度,全自動裝卷收卷,並可遙控拍攝,拍攝中可自動補償曝光全景照片放大機和明室全景照片擴印機可用cm長度內的全景底片,非常方便地製作各種寬度的全景照片。
  3. In the sub block circuit design, the contents that the author had introduced include : the principle of band gap voltage reference and the design technique in low power supply ; the analysis of spike pulse noise rejection, frequency divider and dead time in oscillator and control circuit ; the selection of the width and length ratio of four switches and 2x / 1x mode change point in driver and mode selection circuits

    在子電路設計中,作者比較深入分析的內容有:基準電路的原理及低電源電壓下基準電路的設計;振蕩器和控制電路中尖峰脈沖噪聲抑制、兩分頻電路及死區時間設定;驅動及模式選擇電路中開關管的寬長比的選擇及模式轉換點的設計。
  4. Isc - pw idle speed control pulse width drive

    怠速控制脈沖馬達寬度驅動
  5. Position control of d. c. motors has been done by means of pulse width modulation.

    直流電機位置用脈沖寬度調製法控制。
  6. Here we found g proteins also function in leaf, silique development and the yield of pollen microspore. we observed several traits or characters in the offsprings of gpal, agbl null mutation and gpa1 overexpression lines and found that the width of mutants " lamina is larger than that of the wild type, whereas the lamina length, petiole length and rosette diameter is smaller than the wild type, the ga overexpression lines is different from the mutants ; the silique length and the pedicel length is larger in mutants than that of wild type, and slightly smaller in overexpression lines than the control ; the morphometric character in silique tip is different in gpal from agbl mutants ; the yield of pollen microspore is larger in null mutants than wild type whereas smaller in overexpression lines

    實驗中我們跟蹤觀察了多代異三聚體g蛋白a亞基超表達轉基因植株及a , p亞基缺失突變體的表型特徵,發現突變體的葉片寬度大於對應的野生型,葉片長度,葉柄長度及蓮座直徑小於野生型,而超表達植株的上述某些特徵與突變體相反; gp時突變體的長角果長度,花梗柄部長度大於野生型,而超表達ga植株種英則略小於對照; gpal突變體長角果尖端未出現咭乙i突變體的特徵: gpal ,口gbl突變體花粉生成量大於野生型,而超表達ga植株的花粉生成量則略小於對照。
  7. The development of an electrosurgical apparatus with puls e width control

    一種脈寬控制的高頻電刀功率放大器的研製
  8. This paper starts the research of the liquid floated pendulous accelerometer testing system according to the engineering. at first, this paper gives the brief introduction of the history and present status of accelerometer and its testing technology, the working principium and math model of the liquid floated pendu - lous accelerometer, and then, decides the binary width pulse force retrim loop as the design proposal of testing system, researches the transfer function of every part in the system emphasizly, analyses the stability of the whole accelerometer testing system from the angle of control theoretics by the open loop transfer function of system, and designed the correcting net, analyses the basal problems such as resolution, sampling restraint, precision and so on, designs the hardware testing circuits such as preamplification, band - pass filter, alternating amplifier, phase sensitive demodulatorn, pulse - width modulation, frequency scale circuit, moment current generator. finally, using the graphics program language labv - iew which is designed for testing field especially by ni accomplishes the solfware design of testing system, realized the testing functions

    首先對加速度計及其測試技術的發展歷史和現狀,液浮擺式加速度計的工作原理和數學模型等作了簡要的介紹,然後確定了以二元調寬脈沖再平衡測試迴路為設計方案,並從控制理論的角度進行了分析,著重研究了系統中各部分的傳遞函數,利用系統開環傳遞函數分析了系統的穩定性,同時設計了系統的校正網路;分析了二元調寬脈沖再平衡測試迴路的解析度、采樣約束以及測試精度等基本問題,並按照系統分析的結果設計了包括前置放大、帶通濾波、交流放大、相敏解調、脈寬調制、頻標電路以及力矩電流發生器等測試系統各部分硬體電路,驗證了電路的正確性,最後按照測試系統的要求,採用了美國ni公司專為測試領域所開發的虛擬儀器工具? ? labview作為測試軟體開發工具,利用該圖形化編程語言完成了測試系統軟體部分的設計,實現了測試功能。
  9. Adopt transfiequency motor to control speed, processing speed fast and high processing efficiency ; adopt double straight line rolling glide and double ball screw rod transmission system guarantee the processing size s veracity and stability. upper chamfer angle can automatic rise and fall so its have easy handling, compact structure the minimum width of the glass can be 127mm

    加工速度快,效率高雙直線導軌和雙絲桿傳動系統確保了加工尺寸的準確性和穩定性,上倒角自動升降的先進性,使其具備操作方便結構簡潔等特點。
  10. A closed pulse width modulation ( pwm ) regulating speed system for dc servo - motor is presented, it is composed of avr microcontroller, pwm power driver, unit of speed detection using encoder and a serial communication interface, etc. fuzzy pid algorithm is employed to control the speed and position of wmr. the method can solve effectively some problems such as the uncertainty of wmr ' s model, the varieties demand, the change of situation

    其次,設計了基於avr微控制器( at90s8515 )的移動控制系統,其中主要包括pwm功率驅動、測速單元和串列通訊模塊等:對機器人速度、位置控制採用模糊pid演算法,較好地克服了移動機器人模型的不確定性、轉速位置控制要求的多變和環境改變等因素的影響。
  11. A brief introduction is given to the treatment of the zeya dam foundation, principles of seepage control and design of the concrete face rockfill dam of the zeya reservoir. as for the excavation of the sand - gravel zones, except the toe slab and its 1 / 9 bottom width down stream, the alluvial layers are excavated to the micro - weathered rocks, while the other sections remain unexcavated. regarding to the treatment of the fracture zones, concrete filling is used for the toe slabs and semi - permeable materials are used for other section. according to the construction characteristics, a filter is placed in the down stream embankment foot. to improve the integrity of the dam foundation and anti - seepage capability consolidation grouting and curtain grouting are adopted. as a result safety, economic benefit, convenience in construction and good performace are achieved

    簡要論述澤雅水庫面板堆石壩壩基處理和防滲的原則及設計要點.趾板基礎和堆石體各區砂礫石基礎開挖,除趾板與其下游1 / 9底寬范圍以及壩腳挖除沖積層至弱風化(局部微風化)基巖外,其餘部分均予以保留.斷層破碎帶處理,趾板部位採用混凝土塞,其它部位採用半透水料置換,並根據本工程特點在下游壩腳加設了反濾層.為提高壩基的整體性和防滲性能,對趾板進行了固結和帷幕灌漿.達到了安全、經濟、便於施工的目的,運行情況良好,可為面板堆石壩的設計和研究提供參考與借鑒
  12. Application cover power supply, telecom, fiber optics, iindustrial control, auto, consumer electronics. our advanced capabilities can achieve a maximum layer count of 20, minimum mechanical hole of 0. 15mm and minimum line width space of 3mil 0. 075mm

    生產最多層數20層最小孔徑0 . 15毫米,線寬線隙最細3mil 0 . 075mm ,並有盲孔埋孔板生產能力。
  13. The simulation results prove that this control technique can effectively minimize the torque ripple for the bldcm drives whose back - emf waveform crest width is less than 120

    模擬結果表明這種控制策略能有效地抑制反電動勢平頂寬度小於120電角的無刷直流電動機的換相轉矩脈動。
  14. Test and analysis results indicate that some little polypropylene fiber in cement concrete can not only reinforce the load _ carrying capacity and rigidity, but also control the crack width and strengthen the ductibility of beams

    對比分析結果表明,適量聚丙烯纖維的摻入能夠提高梁的承載能力和剛度,並能限制裂縫寬度,增加梁的延性。
  15. Width control model on finishing train based on bp neural networks

    基於人工神經網路的熱連軋參數預測模型
  16. For sound pickup, acoustic processing aims at the design of transducers or transducer arrays to achieve a durable directionality ( beam steering and width control ) as well as noise resistance

    對于拾音,聲學處理的目標是設計耐用的指向性(束調整和寬度控制)及抗噪聲換能器或換能器陣列。
  17. Up to now, the normal control mode for smart power integrated circuit ( spic ) has pwm and pfm. pwm bases on cfvw ( constant frequency variable width ) control pulse, whereas, pfm bases on cwvf ( constant width variable frequency ) control pulse

    迄今,智能功率集成電路( spic )習用控制模式為恆頻變寬( cfvw )的脈寬調制模式( pwm )和恆寬變頻( cwvf )的脈頻調制模式( pfm ) 。
  18. The optimization of fiber placement paths for composite around - parts is studied, and a triangle algorithm is presented which is easy to implement and can be used for the path generation of free form surface - parts. tow width control and shaping error control are also studied

    4 .提出了用於封閉殼體構件的纖維鋪放軌跡規劃的三角形法,具有通用性強、計算簡便的特點;並討論了纖維鋪放的成形精度與絲寬控制方法。
  19. The exposure dose distribution and line width control for the laser direct writing system are analyzed. some experiments are also carried out

    對激光直寫光刻的曝光量分佈和線寬控制進行了相關理論分析和實驗。
  20. Two pieces of improvement on the crack width control method using nominal tensile stress for prestressed concrete flexural member

    對用名義拉應力控制預應力混凝土受彎構件裂縫寬度方法的2點改進
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