波特調速器 的英文怎麼說

中文拼音 [diào]
波特調速器 英文
porter governor
  • : Ⅰ名詞1 (波浪) wave 2 [物理學] (振動傳播的過程) wave 3 (意外變化) an unexpected turn of even...
  • : Ⅰ形容詞(特殊; 超出一般) particular; special; exceptional; unusual Ⅱ副詞1 (特別) especially; v...
  • 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形容詞(迅速; 快) fast; rapid; quick; speedy Ⅱ名詞1 (速度) speed; velocity 2 (姓氏) a surna...
  • : 名詞1. (器具) implement; utensil; ware 2. (器官) organ 3. (度量; 才能) capacity; talent 4. (姓氏) a surname
  1. Research show that wavelet varied - grid feature vector is characterized by high - stable and high - distinguish. based on this vector the apery cognitron has solved the harmony of single - classifier and multi - classifier and the harmony of multi - feature. the data shows that the recognition rate and reliability has been effective improve

    實驗數據表明,小變網格徵向量具有穩定性高、區分性強的點,基於此的智能字元識別機解決了單、多分類調徵協調問題,在應用快二值化方法加強處理實時性的同時有效地提高了車牌字元的識別率和識別可靠性。
  2. 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。首先對變頻和變頻輥道電機的運行性進行詳細分析,變頻輸出的電壓形諧大,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。
  3. The increasing of single channel capacities and evolution of optical networks topology, from simple point - to - point to intelligent optical networks, call for strict demands to optical filters. in this paper, the crucial technologies of optical filters such as interleaver, optical digital filter, fused biconical taper all - wave coupler as well as polarization - pump combiner have been studied experimentally and theoretically, which include : 1. a new process, cascaded fbt ( fused biconical taper ) with precise control as well as strict interference arm length difference, is proposed for the first time to our knowledge

    單通道率不斷提高以及網路拓撲由單一的點對點傳輸向可上下載的環網和可動態選擇長路由的智能型格形光網路演進,對光濾的常規性能指標、時域性和動態可調性提出了更加苛刻的要求,鑒於此,本論文全面研究了全光纖熔錐型奇偶交錯濾技術、數字光濾技術、基於g - t全通濾的奇偶交錯濾技術以及熔錐型全耦合和偏振泵浦合
  4. The basic principle, main properties, typical parameters, technical characteristics and general situation of klystron are introduced. the electron beam prebunching in the modulated cavity and shift tube of relativistic klystron amplifer ( rka ) is studied analytically, a self - consistent equation of radiation generated by the prebunched electron beam in the radiation cavity is derived using the field method of particle ? wave interaction instead of the electrical circuit method, and in terms of it, the gain in the linear regime calculated, a field analysis method is proposed. the theory analysis shows that the characteristic parameters, such as resonance frequency, real part of gap - impedance, external quality fadtor in all kinds of klystron output circuits including single - beam, multi - beam, single - gap, multi - gap, single - beammulti - gap, multi - beam multi - gap klystron output circuit, can be calculated by the field analysis method

    本文系統的介紹了調管的工作原理、主要點、發展概況、主要性能指標和技術點,解析的研究了電子束在相對論調管放大調制腔和漂移管中的預群聚;用粒子互作用的場方法導出了在輻射腔中預群聚電子束產生輻射的自洽方程,同時對線性區的增益進行了計算。理論分析表明,場分析法可用於計算單注單間隙、多注多間隙、單注多間隙和多注多間隙調管輸出迴路的諧振頻率、間隙阻抗實部和外觀品質因數等性參數。
  5. First, mr. iwasaki of sharp corporation started with the introduction of their " aquos high vision recorder " series and its features. features of the new high vision recording technology " t3 " engine installed for high quality recording, equipped with double digital terrestrial tuners in models " dv - arw15 arw - 12 ", and " one - shot start up " function in 1 second from stand - by position with actual demonstration was made

    首先由夏普株式會社的巖崎先生介紹了" aquos高清晰刻錄機"系列的點,並說明了使用該公司的高清晰錄像的新技術" t3 "引擎的高畫質錄像與配備有地面數字雙調的" dv - arw15 arw12 "的點,然後他還通過實機演示介紹了通電約1秒后即能工作的"瞬啟動"模式。
  6. Changing the depth of penetration of the three dowels results in the variation of the reflection coefficient ( s1 1 ) at the port 1. using matlab, we can calculate different equivalent impedance of port 1 which resulted from the variation of dowels depth. the purpose of my work strike up a relationship between the depth of dowels and equivalent impedance at port, thereby accomplish matching rapidly, simultaneously and stably

    在構建了自動阻抗匹配系統的基礎上,本文提出了一種新的快匹配方法;此方法是將模擬軟體hfss和系統設計相結合,用hfss模擬系統中完成阻抗變換作用的銷釘匹配,獲得銷釘插入導深度變化時的埠等效性,並將模擬得到的數據用matlab組織起來,分析銷釘插入導的深度變化時埠等效阻抗性的變化,來達到對調試變化規律的認識,快的實現銷釘插入深度與反射系數間的統一。
  7. On the basis of the deep study of the current studying situation of multi - wavelength fiber lasers and its tendency of development, we make clear the significance of the study of multi - wavelength fiber lasers and propose a novel multi - wavelength erbium - doped fiber ring laser at room temperature. in this thesis, firstly, with the rate equation theory, we use analytical methods to deduce the relationships of the lasing wavelength and output power vs erbium - doped fiber length, coupler ratio and intracavity losses. the experimental results show a good agreement with the calculated values

    本文首先從率方程理論出發,利用解析的方法推導出摻鉺光纖激光輸出性參數與摻鉺光纖和耦合參數之間的定量關系, (如,激光輸出功率、長與摻鉺光纖的長度、摻雜濃度、耦合耦合比及腔的損耗等參數之間的關系) ;並從實驗上加以分析討論,實驗結論與理論值相吻合;利用改變耦合的耦合比獲得了幾個nm的調諧。
  8. With the conduction property of the triggered thyristor and the intellective numerical controlled frequency reduction of the triggering pulse by mpu, we can divide alternating current into several complete sinusoidal waves to supply some loads. it can be made as a controller or a pcb ware, which is suitable for the air conditioning, machine tool and various instruments that require electric power or rotate speed adjustment

    利用晶閘管的觸發導通性,用單片機對觸發信號進行智能數字降頻,可在交流電中切分出部分完整的正弦形供負載使用,可以單獨做成一臺控制儀或者作為一個控制電路板用於需要電功率和轉調節的空調、機床以及各類儀設備中。
  9. It has been shown by our calculations that conductor loss is greatly reduced under velocity matching with relatively thick coplanar waveguide electrodes and thick buffer layer, but the characteristic impedance can not match with that of the external circuit at the same time, and the modulation bandwidth is confined in this case

    然後,用一般的橢圓積分計算了普通共面導型調的有效折射率、徵阻抗和導體損耗系數。通過計算發現,採用厚電極和厚緩沖層結構,在實現度匹配的情況下,可以大大減小導體損耗,但是由於阻抗不能同時滿足匹配,調制帶寬受到限制。
  10. In the digital ultrasonic flaw detectors, backward - wave signal is sampled and changed through the highspeed a / d converter, and we ' ll get a large number of datas. because datas are not all be used to draw testing curve, they must be compacted. lt is necessary to compress so much datas, so data - compaction instrument must be designed and used. here introduces the principle of data - compaction instrument, and designs a exclusive instrument using isp which may change compression point and automatically provide 1024 consecutive addresses of outside data storage unit

    在數字化超聲探傷中,回信號經高a d采樣變換后,會得到大量的採集數據。但在探傷曲線的描繪中並不是用到所有數據,因此要對這些數據進行壓縮處理,這就需要用到數據壓縮,這里介紹了一種應用在線可編程技術及件實現對大量采樣數據進行快壓縮的方法,並設計了一種新型的專用isp數據壓縮,該壓縮具有壓縮點數可調,可自動提供1024個連續的外部數據存儲單元的地址等點。
  11. This paper studies on used the ac servo system based on ti dsp ( lf2407a ) and the foc and digital signal processing thorem, achieves following results : algorithm. we employ svpwm ( space voltage pwm ) algorithm, improve the efficiency of the electric source, and decrease the harmonious elements. we build the mathematic model of the system and simulate it on matlab platform, dsigne segmented pid regulator to adapt variable speed and widen the speed range. measurement. the velocity and electric current measuring, we adopt multi - sampling - rate and digital filter principles. as more improvements we make, the whole system gets a good results. pc control. the complete controlling system can be controlled remotely. so we develop the pc controlling program.

    採用磁場定向脈寬調制演算法,提高了電源利用率,降低了逆變電壓的諧,改善了電機的運行性,降低了對電網的污染;在matlab平臺上建立了交流永磁同步伺服電機和電壓空間矢量脈寬調制控制系統的數學模型,在模擬的基礎上,對傳統pid調進行了改進,提出轉調和電流調採用分段pid結構,根據給定轉所處的區間,自動選擇相應pid調的參數,拓寬了調范圍,提高了控制精度。
  12. The intracavity photon density and initial population inversion density are assumed to be gaussian distributions instead of plan wave assumption, based on this assumption, the rate equations of diode - pumped intracavity - frequency - doubled passively q - switched laser are modified. through solving these space - dependent rate equations numerically, the results under different assumption are compared. 5

    將腔內光子密度和初始反轉粒子數的平面近似修正為高斯分佈近似,獨立地導出描述二極體泵浦內腔倍頻-被動調q激光率方程,並通過數值求解該方程比較了兩種近似下脈沖性的不同; 5 .實驗驗證了2中提出的實驗方案,並對實驗結果進行了分析。
  13. In t his p aper r otating s tall a nd t he inlet v ortex in c entrifugal fans with inlet v ane control has been studied in laboratory. the harmonic wavelet is firstly used for time - frequency analysis and feature extraction of pulsation amplitude and frequency and development of rotating stall and inlet vortex. the development rule of rotating stall and inlet vortex and the effect to fans performance from the two has been found

    文中對採用入口導流調節的離心通風機的旋轉失和進口渦流問題進行了實驗研究,並藉助諧對旋轉失和進口渦流的頻率、幅值性及動態過程進行了時頻分析和徵提取,揭示了旋轉失和進口渦流發展的規律及二者對風機性能的影響。
  14. Based on state - space method to study the inverter fed permanent magnet synchronous machine, the sorts of the switch fault are given and the causes for the faults are analyzed. it investigates the currents and torque of the drive system fed by six - step inverter and pwm inverter under the different fault condition, and the valuable results are got 2

    在利用狀態空間法深入分析永磁同步電動機變頻調系統穩態性的基礎上,分析了逆變開關元件發生故障的類型及其原因,模擬分析了六階梯逆變、 pwm逆變各種故障狀態下的系統動態性,得出了一些有價值的結論。
  15. In this thesis, we used the q - switched nd : yag laser pulse focused by lens to pump the cr ~ ( 4 + ) : mg _ 2sio _ 4 crystal, with the pump laser pulse duration and energy of 30ns and 50 mj separately, and got the laser pulse with center wavelength, pulse duration and energy of 1. 22 m, 8. 2 ns and 10 mj on the best work condition. on the base of zhangguowei s approximation about gain - switching and the parameter of cr ~ ( 4 + ) : mg _ 2sio _ 4 crystal, we calculated the time characteristics of cr ~ ( 4 + ) : mg _ 2sio _ 4 laser pulse with rate equation by numerical method, obtained the conclusion that the laser pulse duration is only related to the pump energy and cavity length : the larger the pump energy is, the narrower the pulse duration is ; the longer the cavity is, the wider the

    本論文採用調qnd : yag脈沖激光通過透鏡聚焦后縱向抽運cr ~ ( 4 + ) : mg _ 2sio _ 4晶體,抽運光脈沖寬度為30ns 、能量為50mj ,在較佳工作條件下得到了中心長為1 . 22 m 、脈寬為8 . 2ns 、能量為10mj的激光脈沖;並在張國威分析增益開關時間性的近似法基礎上,結合實際的cr ~ ( 4 + ) : mg _ 2sio _ 4激光的相關參數,從率方程出發,用數值計算的方法更為精確的模擬了cr ~ ( 4 + ) : mg _ 2sio _ 4激光輸出激光脈沖的時間性,得出了激光脈寬只與抽運能量、腔長有關的結論,即抽運能量愈大,脈寬越窄;腔長越長,脈寬則愈寬。
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