frequency conversion 中文意思是什麼

frequency conversion 解釋
頻率變換
  • frequency : n. 1. 屢次,頻仍,頻繁。2. (脈搏等的)次數,出現率;頻度;【物理學】頻率,周率。
  • conversion : n 1 變換,轉化,轉換;換算,換位。2 (意見、信仰等的)改變〈特指改信基督教〉;(車身,設備等的)...
  1. According to the study of frequency - conversion technology, it is available to convert the speed of asynchronism motor, adopting ac - dc - ac transducer, realizing to convert the speed

    通過對變頻調速技術的研究,利用變頻技術對異步電動機進行調速是可行的。
  2. The frequency conversion regulation of the condensate pump

    凝結水泵變頻調節
  3. Main electromotor adopt import frequency conversion tecnical

    主電機採用進口變頻技術。
  4. Abstract : by means of the comparison and analysis to applications of convertional starter and frequency conversion governor inmine exhauster, a useful and practicable electricity - saving pathof exhaust system was found out, so improving systematic saving operation

    摘要:通過對傳統起動器和變頻調速器在礦井抽風機的應用進行比較分析,找出一種抽風系統有效、可行的節電途徑,以實現通風系統的經濟運行。
  5. Speed regulating of gear wheel rigs by frequency conversion

    牙輪鉆機變頻調速
  6. By using irm, heterodyne receiver with good image rejection and mmw - to - if once frequency conversion can be realized, which simplified receiver constitution prominently. the number of local oscillation ( lo ) sources is reduces and electromagnetic compatibility ( emc ) of mmw system is improved. also, the size, weight, power consume and cost of mmw receiver is reduced

    採用毫米波鏡頻抑制混頻器,可在保證鏡頻抑制性能的前提下,採用1次變頻接收機,從而大大簡化接收構成,減少本振數量,改善毫米波系統電磁兼容性,減小接收機體積、重量、功耗,並降低成本。
  7. Frequency conversion control for beater in the fermentation cylinder of terramycin

    土霉素發酵罐攪拌器的變頻調速控制
  8. Application of the speed control technique by frequency conversion on the acrylic fiber production line

    變頻調速技術在腈綸紡絲生產線上的應用
  9. On the radiation range of l - 4gw / cm2, the effects of the modulation in intensity, beam aperture, pulse width and intensity of 3 w on tsrs in frequency convector crystals have been analyzed in detail. the interrelated thresholds have been gained by calculating and theoretical evidences have been offered to prevent tsrs from damaging frequency conversion crystals, which will be applied to the engineering design of the laser drivers on high - fluence

    光的強度調制、光束口徑、脈寬和強度等因素對諧波轉換晶體中tsrs的影響,並計算得出了一些相關闡值,得到了驅動器工作的臨界狀態,為防止出現tsrs的光損傷提供了理論依據,對高功率激光驅動器的工程設計具有實用價值。
  10. This thesis was divided into eight chapters, and the main results and innovations obtained here can be summarized as follows : ( 1 ) the physics model of tsrs in frequency conversion crystals has been built up firstly. based on quantum - mechanical viewpoints and the following physical processes and parameters : the two - photo interaction of light with matter, paraxial diffraction of stokes, langevin noise sources, reflection at the faces and the edges of crystals, gain coefficient, beam aperture, pulse width and fluence of 3, the physics model of tsrs in kdp and kdp crystals acting as high - fluence frequency convector and the paraxial operator maxwell - bloch - langevin equations have been built up

    全文共分八章,取得的主要成果及創新點如下: ( 1 )首次建立了諧波轉換晶體的tsrs物理模型本文根據量子力學原理,在考慮如下物理過程和參量的基礎上:光與物質的雙光子相互作用; stokes光的傍軸衍射; langevin (郎茲萬)噪聲源;晶體表面反射和端面反射;增益系數、光束口徑、脈寬和三倍頻光能量密度,推導出高通量激光在kdp和kd ~ * p諧波轉換晶體中的tsrs物理模型和空間上的近軸算符maxwell - bloch - langevin方程組。
  11. In view of this situation this article has conducted research to the design of metallurgy auxiliary biography with the frequency conversion table electrical machinery first multianalysis to the frequency changer and the frequency conversion table electrical machinery movement characteristic is carried out, the voltage waveform harmonious which the frequency changer outputs is big, attacks in a big way, and the voltage climbing rate reaches as high as 6600v / mu s which is 20 times ordinary sine alternating voltage, the rolling mill auxiliary biography table set the extremely strict request to the electrical machinery ; its movement frequency is very low, rate frequency in 8 - 20hz ; the velocity modulation scope is wide, the lowest movement frequency lowers to 1hz, and the starting number of times is quite frequently, each hour reaches as high as 600 - 800 time, the impact shoulders in a big way, the overload capacity request is high

    針對這一情況本文對冶金輔傳用變頻輥道電機的設計進行了系統研究。首先對變頻器和變頻輥道電機的運行特性進行詳細分析,變頻器輸出的電壓波形諧波大,沖擊大,電壓上升率高達6600v / s ,是普通正弦交流電壓的20倍;軋機輔傳輥道對電機提出了十分嚴格的要求:其運行頻率很低,額定頻率在8 - 20hz ;調速范圍寬,最低運行頻率低到0 . 5hz ,起動次數相當頻繁,每小時高達600 - 800次,沖擊負荷大,過載能力要求較高。
  12. Feature : this machine uses puts the material automatically to investigate arranges the odd and even photoelectricity track, the frequency conversion velocity modulation, may moreover clamp inserts plants the material in addition, forexample : in white film among inserts the pearly luster membrane

    特點:本機採用放料自動糾編單雙光電跟蹤、變頻調速、可另外夾插另種材料,如:在白膜中間加插珠光膜。
  13. But because of frequency conversion machine when it was in application it will produce harmonic interference inevitably, the traditional means ca n ' t be applied in variable frequency speed regulation system completely, therefore need some new analytical methods aiming at frequency conversion machine accordingly

    但是由於變頻器應用中不可避免地要產生諧波干擾,傳統的手段和方法已經不能完全適用於變頻系統中,因此需要針對變頻系統採用相應的分析方法。
  14. Quality control of cast irons melting in large medium tonnage frequency conversion furnace

    大中噸位變頻電爐熔煉鑄鐵的質量控制
  15. This machine adopts the best advanced imported frequency conversion timing controlled technical drive. it adopts dlectrical brake setting, its deendability is lofty and cutting is exact. this machine is mostly used for many quadrate foam rubber once flatly slicing. it can be continuously cutout, and do not recede cutter, the production efficiency is better

    70型採用當前最先進的進口變頻調速技術驅動,去除落後的抱閘剎車裝置,可靠性高,切割精確,本機主要用於多個方泡泡綿的一次性水平切片工作,連續切割,不用退刀,生產效率更高。
  16. Application of frequency conversion project in drainage pumping stations and discussion of energy - conserving mechanism

    排水泵站變頻節能的工程實踐和機理初探
  17. Theoretically, on the bases of the physical and chemical characters of nonlinear frequency - conversion crystal ktp, the parameters such as walk - off angel, acceptance angle and effective nonlinear coefficients are calculated, analyzed and discussed, together with elaborate analysis to phase - matching process for type ii ktp opo phase - matching

    在晶體的光學性能方面,根據ktp的物理和化學性能,對它的有效非線性系數、走離角和接受角等參數進行了計算、分析和討論。對ii類相位匹配的ktp晶體在參量振蕩過程中的相位匹配進行了詳細的分析和計算。
  18. Loading carriage is superposition and whole style structure. it changes its rate by frequency conversion

    整體內部料車結構,裝爐量大,工件轉移時間短。
  19. It adopts speed - adjusted system through frequency conversion, which can realize non - pole speed adjustment

    採用變頻調速系統,可實現不停機無級調速。
  20. Adopts full frequency conversion speed adjustment , operate and maintain conveniently , stably performance

    全變頻器無級調速,設計科學合理,操作維護方便,性能穩定。
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