調幅控制 的英文怎麼說

中文拼音 [diàokòngzhì]
調幅控制 英文
modulating control
  • 調 : Ⅰ動詞1 (配合得均勻合適) harmonize; suit well; fit in perfectly 2 (使配合得均勻合適) mix; adju...
  • : Ⅰ名詞1. (布帛、呢絨等的寬度) width of cloth 2. (泛指寬度) width; size 3. (姓氏) a surname Ⅱ量詞(用於布帛、呢絨、圖畫等)
  • : 動詞1 (告發;控告) accuse; charge 2 (控制) control; dominate 3 (使容器口兒朝下 讓裏面的液體慢...
  • : Ⅰ動詞1 (製造) make; manufacture 2 (擬訂; 規定) draw up; establish 3 (用強力約束; 限定; 管束...
  • 調幅 : [電子學] amplitude modulation (am); amplitude調幅發射機 amplitude modulated transmitter; 調幅 ...
  • 控制 : control; dominate; regulate; govern; manage; check; cybernate; manipulate; encraty; rule; rein; c...
  1. Finally, the controller working based on the combination of rbf neural networks and traditional pid control was applied to in aclinic kinetic machinery and lifting machinery of tower crane. the simulation of this controller was made using matlab, and the simulation results showed that the control system has some merits, such as quick response, little overshoot, well anti - jamming capacity, and little steady - state error, etc. both the dynamic property and static characteristic of this controller are better than traditional pid controller, and meet the tower crane

    應用matlab對塔機的變和起升機構的運動進行模擬,模擬結果表明基於rbf神經網路整定pid的系統具有響應快、超調小及穩態誤差小等優點,其動、靜態性能優于單一pid,從而提高了塔式起重機工作機構的工作性能。
  2. 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) 。
  3. Application of a new digitronik in double cross limit combustion control of heat treating furnace

    一種新型可編程數字調節器在交叉限方案中的應用
  4. Special gain controls are used to regulate the amplitude levels at the beginning and end of the record.

    為了調節記錄的開頭部分和尾端的振電平,通常採用專門的增益
  5. Disigning coolant channel on the firebox of liquid rocket engine to loxodrome ( equal - angle helix ) groove can improve firebox coolant capability greatly. because the width dimension of loxodrome groove is narrow and the depth is deep, some machining methods are incapable, such as end - milling or electrochemistry. according to the peculiarities, a cnc disk - cutter - milling method which is composed of five motion axes with four simultaneously interpolated ones is researched. because most firebox generatrix is composed of complex curves, it is very difficult to get cnc cutting program with manual means. in order to deal with the problem, the loxodrome mathematics model is studied, and an auto - programming software system is developed. the software system can generate cnc cutting program of loxodrome on many kinds of turned surface. the constriction - distension segment of firebox is the most representative workpiece. the sharp changing of its generatrix slope makes loxodrome milling difficult. with the theory analyzing and practice cutting experiment, some applied techniques, which include milling mode and direction, choosing cutter diameter and cutting start point setting, are developed. adopting the technology above, tens regular workpiece have been manufacturing. the two - year manufacture practice has confirmed the validity and feasibility of developed loxodrome coolant channel milling method. the developed technology is also worth to be referenced to other similar workpiece

    將液體火箭發動機燃燒室的冷卻通道設計為斜航線(等傾角螺旋線)槽形,可以大度改善燃燒室的冷卻性能.斜航線冷卻槽的槽寬尺寸較小而槽深尺寸較大,所以無法使用棒銑刀銑削、電化學等加工方式.針對這些特點,提出了五軸、四軸聯動的數片銑刀銑削加工方法.由於燃燒室外表面的母線輪廓復雜,手工編加工程序難度大.為了解決數加工程序的編問題,研究了斜航線的數學模型,開發了自動編程軟體系統.使用該系統,可以生成多種母線輪廓回轉體外表面上的斜航線數加工程序.燃燒室收斂-擴張段的母線斜率變化大,加工難度大,是斜航線冷卻通道加工的最典型工件.經過理論分析和實際切削實驗,研究了針對該類型工件的片銑刀直徑選擇、銑削方式和方向、刀具調整和起刀點的設置等多項實際的加工方案.採用上述的一系列技術,已經成功地加工了數十個合格工件.經過兩年多的實際生產過程應用,驗證了所開發的斜航線冷卻通道加工方法的正確性和可行性.這些加工技術的研製成功,對其他相似類型零件的加工亦具有參考意義
  6. 4. the signal data collected in expteriment are taken out in emulational research of system experiment. many methods such as adding window in frequency field, eliminating static object and so on restrain the width and sidelobe of static mussy weaves and detect out the target availably

    4 、在系統實驗模擬研究中調出實驗採集信號數據,使用頻域加窗不加窗、清除靜態目標等方法很好地了靜態雜波干擾的度及旁瓣,有效地檢測出了目標。
  7. The modulation of sound properties over a wide range of time scales is one of the most obvious characters of oscine passerine ' s vocal, whose song contains many different kinds of syllables that consist of many more multiple song phrases. in oscine passerine, ipsilateral projections of ra to nxiits innervates the ipsilateral syringeal muscles exactly, and thus they have strong ability of vocal control with variable tones, high frequency and higher lever of quality. as a result, the songs sound well

    鳴禽鳴囀的最大特點之一便是其單次鳴唱時間長,鳴唱所包含的音節數量和音節種類繁多,因而由這些音節所組成的句型結構也是復雜多樣富於變化,且由於nxiits嚴格的側別(每一側核團只支配同側鳴肌) ,使其具有更強的聲能力,其鳴聲音調變化度大,頻率高,品質因數大,音色好,因而其鳴聲也悅耳動聽。
  8. The algorithm of svpwm that is adopted by the system implements motor speed - regulation by control of magnitude and phase of motor flux. it can generate less harmonics in the output current of power inverter and less losses of ac motor, reduce pulsant component in output torque and raise availability of dc supply voltage

    系統採用的svpwm演算法通過對空間磁鏈矢量值和相位的調節電機轉速,減少了逆變器輸出電流的諧波,降低了脈動轉矩,提高了電壓的利用率。
  9. Dvi lvds 10 bit supported portable video signal generator

    調調信號產生器與遙
  10. Static and dynamic trial experiments indicate that the system, not only can well simulate the prime governor and self _ equilibrium characteristics of a prime mover with its simple hardware line, small size and versatility, but also can highly improve the whole system ' s control precision, reliability and stability when compared with the system design of the analogy circuits

    靜態、動態測試實驗表明:該系統,不僅硬體線路大為簡化、體積小、通用性強,能夠很好地實現對原型調速器及原動機自平衡特性的模擬,而且與模擬電路的設計方案相比,整個系統的精度、可靠性和穩定性等大度提高,具有明顯的優勢。
  11. 1 m 0. 5, the phase - shifted angle 6 is controlled in term of sine law which makes the magnitude of resonant voltage track a reference sine voltage, and the resonant voltage is rectified, filtered, inverted and then the better sine - voltage output is obtained, theoretical analysis and experimental results show that for the resistive load and inductive load, the switches of leading leg of the phase - shift - controlled circuit are always turned on at zvs, and ones of lagging leg are turned on at zvs ( < 0 ) or turned off at zcs ( ( > 0 ), moreover, all switches in the low - frequency inverter are always turned on and off at zvs, the measured circuit efficiency for rated load reaches up to 88 %

    從功率單向流動角度出發,提出了一種lcc諧振型恆頻移相單相高頻鏈逆變電路拓撲,在調系數0 . 1 m 0 . 5情況下,移相角按正弦規律變化,使諧振電壓脈沖列的值追蹤參考正弦電壓信號,經過整流、濾波、低頻逆變,從而獲得正弦度較好的輸出電壓。理論分析和實驗結果證明對于阻性負載或阻感性負載,移相全橋具有超前橋臂零電壓開通,滯后橋臂或者零電壓開通( _ 0 )或者零電流關斷( _ 0 )的軟開關特性,而低頻逆變器的各個開關均實現零電壓條件下的開通與關斷。
  12. Two amplitude modulating control strategies are presented which are the pre - circulating current amplitude modulating and the circulating current amplitude modulating. these two amplitude modulating control strategies are contrasted and it is found that the later one is better than the former one

    對于調幅控制還提出了兩種策略,即準環流調幅控制和環流調幅控制,本文對這兩種策略通過理論、模擬和實驗進行了對比分析,發現環流調幅控制要優于準環流調幅控制
  13. This article investigated deeply the actual state and problems on linklaters and alliance prduction, life and social service, which had performed for 3 years in petrochina southwest oil and gas field company ( it is called company for short as follows ), and analyzed the differencesand the reasons between the prices of part linklaters and alliance and government pricing and market pricing. and researched on the price and supersion mechanism of linklaters and alliance home and abroad. and propounded some suggestions about pricing standard and the range of price control in production, life and social service

    本論文通過深入調查中石油西南油氣田公司(以下簡稱公司)近3年生產、生活、社會服務關聯交易現狀及存在的問題;重點分析了公司部分關聯交易價格與政府定價及市場定價的差異及其形成差異的原因;研究了國內外關聯交易價格及監管機;提出了公司生產、生活、社會服務關聯交易價格定價基準及價格度建議。
  14. This disquisition aimed at plc reactive dispatch curve controller, associating the entire exploiting process, expounded in guiding ideology, control standard, function and structure design, software system design, analog experiment, fixing and debugging and so on, also part of flow schematic diagram ( the ladder chart was n ' t drawn because of too many network and length limit ). this design involves many subject such as power systenu automatic control microcomputer control and electroa during the design, we have read a great deal of concerned data, base on the sufficient investigation analysis and research, associating the practicality of huanren power plant, we introduced and exploited plc reactive dispatch curve controller in the first time

    本文針對plc無功調度曲線器,結合整個研製過程,在設計指導思想、準則、性能設計、裝置構成設計、軟體系統設計等方面進行了闡述,並給出了部分程序流程簡圖(由於梯形圖網路數太多,受篇沒有給出) 。本設計涉及到電力系統、自動、微機、電子等多學科知識,在設計過程中,我們查閱了大量相關的資料,在充分調查、分析、研究的基礎上,結合桓仁發電廠實際情況,首次提出並研製出了plc無功調度曲線器。
  15. Adjusting digital potentiometer in controlling circuits of sps and capacitor charging and discharging circuit separately with industry control computer ( icc ), the peak value and repeat frequency of output pulse can be adjusted separately. controlling relays to choose different capacitors with icc, the width of output pulse can be adjusted

    利用工機分別調節開關式穩壓電源電路和電容充放電電路中的數字電位器,就能分別調節輸出陡脈沖的值和重復頻率;利用工繼電器選擇不同的充放電電容,就能調節輸出陡脈沖的脈寬。
  16. System imitation analysis in the time domain indicates that the amplitude and peak of displacement at the joint between cable and mast are both reduced, and the fatigue life of guyed mast is increased. adjusting the location of mr damper can efficiently reduce the displacement on the top of guyed mast induced by wind

    模擬分析表明可以有效地減小桅桿結構纖繩與桿身連接處的位移響應的值與峰值,能提高結構的疲勞壽命,通過調節mr阻尼器的作用位置可以改善對桅桿頂部位移響應的效果。
  17. The stator of aceg is connected to the grid and the three symmetrical excitation windings in the rotor are fed by converter. the magnitude and frequency and phase and phase sequence of excitation voltage can be controlled, so the magnitude and position of excitation mmf as well as the speed of rotor can be controlled. therefore, acegs have superior performances by contrast with conventional synchronous generators and induction generators, such as upstanding stability, power generation of variable speed constant frequency ( vscf ), adjusting active power and reactive power independently, and absorbing lag reactive power deeply

    交流勵磁發電機的基本結構與繞線式異步電機相同,其定子側接電網,轉子上採用三相對稱分佈的勵磁繞組,由變頻器提供對稱交流電勵磁,且勵磁電壓的值大小、頻率、相位、相序都可根據要求加以,從而可以發電機勵磁磁場大小、相對于轉子的位置和電機的轉速,使得交流勵磁發電機具有良好的穩定性及轉速適應能力、獨立的有功與無功調節能力和較強的進相運行能力,性能超越傳統同步發電機和感應發電機,因而有著廣闊的應用前景。
  18. For the algorithm of reactive power optimization, presented in this paper, in order to found the linear programming model equations, the objective function is minimum total power losses, the controlled variables include the compensating capacity of reactive power, generator bus voltages and transformer tap positions, the state variables include reactive power of the generators, and the voltage amplitudes in the ends of transformers

    本文研究的電力系統無功優化演算法是以整個網路的損耗最小為目標函數,以無功補償設備出力、發電機端電壓和可調變壓器變比為變量,以發電機的無功出力和變壓器端電壓值為狀態變量建立了線性規劃模型方程。
  19. The main ideas of the thesis and the contributions to the resonant dc - link area are also listed in this chapter. a novel control strategy for the two - amplitude actively clamped resonant dc - link is proposed in chapter ii. it neglects the bus short circuit time adjuster and stabilizes the clamping voltage by a pi regulator so that the obtained link frequency is improved and the link losses are greatly reduced

    第二章針對雙技術在單相橋式電壓源逆變器中的應用為範例進行研究,提出了直流母線無短路和通過pi調節環穩定箝位電壓的雙諧振策略,進一步提高了母線振蕩頻率,減少了直流環節損耗。
  20. In the control loop, the phase - lock loop was used to trace the operating frequency, the vibrating - amplitude loop was used to control the driving influence, the compensate control loop was used to adjust balance, and the measuring loop was used to measure. with the simulation charts of various subsystems, the system parameters were designed

    迴路中,利用鎖相迴路來追蹤工作頻率,用振迴路來驅動力,用補償迴路調節平衡,用感測迴路進行感測,並且利用各分系統的模擬圖設計出系統參數。
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