正常工作頻率 的英文怎麼說

中文拼音 [zhēngchánggōngzuòbīn]
正常工作頻率 英文
normal working frequency
  • : 正名詞(正月) the first month of the lunar year; the first moon
  • : Ⅰ名詞1 (工人和工人階級) worker; workman; the working class 2 (工作; 生產勞動) work; labour 3 ...
  • : Ⅰ形容詞(次數多) frequent Ⅱ副詞(屢次) frequently; repeatedly Ⅲ名詞1 [物理學] (物體每秒鐘振動...
  • : 率名詞(比值) rate; ratio; proportion
  • 正常 : normal; regular; average
  • 頻率 : frequency; rate
  1. The catv charge and control system is mainly composed of the management software 、 the header data modulator and the terminal charge and control equipment. i am responsible for design catv charge and control equipment and test system. the header data modulator is used to encrypt the control single from computer and transmit it into the appointed frequency. the terminal charge and control equipment demodulate out the control single from data modulator and transmit it to the addressing control part, where the demodulated fsk single is received and well - handled by the cpu unit, decode the unauthorized signals and deliver it to the shut point, shut point make use of capability of wideband anf characteristic of shut, then the signal of illegal customer will be turn off and vice versa, the legal customer can receive the normal signal

    前端數據調制器完成對計算機輸出的控制信號加密處理,將指令碼載送到一指定點。終端收費控制器解調出控制信號,送至單片機尋址控制部分。單片機尋址控制部分接收經fsk數據解調器送來的信號,送入cpu單元后,解出不授權信號,然後向關斷部分送入信號,關斷部分利用pin二極體的寬帶能力以及關斷特性,實現對非授權用戶或者非法用戶的信號關斷,使之不能收視,繳費用戶進行開通收視,達到控制用戶通道的管理。
  2. The methods that can efficiently suppress the disturbance on gate of switching component of the inverter - bridge are synthesized. a dual - inductor output filter is employed to improve electromagnetic interference ( emi ), due to turn - on or turn - off of the power switches of the inverter, which may be lead loads into trouble

    本文詳細論述了1kva25hz新型鐵路信號電源和2kva高在線式ups的設計和調試,總結了幾種能夠有效抑制逆變橋功開關管門極干擾的措施,並且運用一種雙電感結構的輸出濾波器來改善由逆變器功管在開關過程中產生的、影響負載設備的電磁干擾。
  3. Malfunctions can be diagnosed using infrared thermography without affecting the work state of tested equipments, thus the diagnostic accuracy can be improved. infrared thermography, just as often, improves electronic fault diagnosis by isolating the malfunction to specific areas of the circuit board, what is more, it usually does point directly to the failing component. thermography even can rapidly diagnose up to hundreds of elements on one pcb at one time, without requiring the operator to know the circuit principle very well, which can reduce the workload greatly

    紅外故障檢測儀可以對電子設備進行在線測量,檢測時不會影響待測設備的特性,這對高電路的檢測尤其方便,且能提高診斷的準確性;他通能指出電路板上的故障區域,甚至經能直接找出故障元器件,這樣就提高了維修質量;並且能在不需要檢測人員對電路原理有深入理解和分析的情況下,對同一塊電路板上的數十隻甚至數百隻器件同時進行快速診斷,這就大大減少了維修人員的量,提高了維修人員的
  4. It works at high frequency with a selectable pin outside ; the working frequency is fixed at 640k / 1. 2mhz. so far as the output signal of the single - chip ic is concerned, the maximum time proportion of its high level is 88 percent, but the minimum one is 10 percent

    該控制器為pwm脈沖寬度調制方式;電路溫度范圍為- 20oc 85oc ;開關根據外圍電路輸出電壓需要為640k / 1 . 2mhz可選;輸出信號的最大占空比為90 % ,最小占空比為10 % ,晶元主要應用於lcd電壓電源管理設備。
  5. Then the difference between the output of the trained neural networks and that of the actual system is used as a residual, which detects the sensor fault. the diagnosis can then be performed by further exploiting the information provided from the residual signals according to certain rules introduced in detail in the thesis. simulating results show that the method can isolate any fault of the sensors in any input types and normal work frequencies

    模擬結果表明,基於神經網路觀測器的故障診斷方法在系統正常工作頻率范圍之內,不受系統輸入類型和故障的類型的影響,只要故障對系統的特性發生影響(系統參數漂移3 ) ,通過神經網路觀測器的殘差判別函數可以診斷出故障。
  6. First, the system operation conditions that include three input types ( square, sinuous and triangle ) with different frequencies ( l / 250hz, l / 5hz and 1hz ) are discussed. in fault detection processes, we construct 4 three - layer bp neural networks to learn the normal states of the system. the outputs of trained neural networks are as the estimate values of the sensors

    本文詳細研究了在這種情況下的故障診斷問題,針對某液壓系統,分析了系統在方波輸入、弦輸入、鋸齒波輸入下,分別在正常工作頻率、極限以及接近極限等9種狀態的特性,以及在這9種狀態下,運用神經網路觀測器進行傳感器故障診斷研究。
  7. The preceding five steps modal frequencies and the corresponding vibration modals of the main frame are calculated. by means of the comparison basic frequency with the other vilration sources and the analysis of each other step vibration modes, the structure is proved to be safe this dissertation studied the important mechanism of the roadheader

    求出其5階固有和振型,將固有與振源比較,並對各階振型進行動態觀察與分析,得出了其在時不會發生共振的結論。
  8. Starting current the meter can work corectly at rated voltage, rated frequency. when load currdnt is large then 0. 4 ib. power facotor : 1. running with no - load the meter use logic circuit to anti - creep

    啟動電流:在額定電壓額定因數為1的條件下,當負載電流大於0 . 4 ib時電度表都能
  9. When the current is larger, the space - charge - effect of the electron beam will greatly affect the microwave production. the frequency and mode of microwave will change and the output power will decrease obviously

    電流較大時,電子束的空間電荷效應影響很大,微波和模式都會發生變化,輸出微波功顯著降低, rtto不能
  10. While some offer the frequency of this scenario as an example of the unworkability of the approach to exception handling taken by the java language design, i think it is merely a failure to use the right tools

    雖然一些人提供發生這種情景的,是為了為例子說明java語言設計採用的異處理方法的不易操性,但是我認為這僅僅是錯誤地使用了確的具。
  11. ( 2 ) because of t he variability of rock subjected to outside action, three new conceptions : postive damage basic damage and negative damage, are suggested, which can deal with the condition that rock density became large. ( 3 ) the present damage variables based on ct number mostly include ct average number of the rock without damage, which is difficult to measure, so a new damage variable, which includes the average ct number is proposed, on the other hand, strain equal theory is generalized because the one put foreword by lemaitre is not good enough to use. ( 4 ) a axial damage constitutive equation is proposed and testified. ( 5 ) with the circle times, the damage propagation laws of two different rocks, subjected to circle of freezing and thawing, are studied, and in the analysis process, traditional analysis method including average ct number and is used, some important conclusions are reached : inner damage of soft rock containing a large mount of apertures is largely propagating with the time increasement of circle, however, at the preliminary time, the hard rock containing a small mount of aperture is a little propagating, at late time, the influence become large ; ( 6 ) zone separation and statistics frequency put forward is used to analysized the three different damage propagation in the open circumstance, when they are subjected to the different circle times of freezing and thawing, in which the temperature variability is linear, different freezing rate, and different freezing temperature, and no water is supplied during the test

    在研究過程中本文主要做了以下: ( 1 )針對巖石損傷變化較小時,運用ct均值和方差分析不方便的缺陷,本文提出運用對ct數范圍劃分區段的方法,根據各區段統計的變化規律來分析損傷擴展狀況; ( 2 )針對巖石受到外部用的多變性,本文提出了基準損傷,損傷,負損傷的概念,在某種程度上考慮了巖石受到外部用時的壓密情況; ( 3 )現有的基於ct數的損傷變量大多需要用到巖石基體的ct均值,這實際上是很難觀測到的,因此本文建議了一個可運用巖石初始狀態ct均值的損傷變量,由於現有的勒邁特教授應變等價原理使用上的不便,本文在其基礎上進行了推廣; ( 4 )建議了一個可用巖石初始狀態ct數和彈性模量的單軸損傷本構方程,並用算例進行了驗證; ( 5 )對兩種不同巖石在開放環境下受到凍融循環用且融化過程中補水時,內部損傷隨凍融循環次數增加的擴展規律進行了探討,主要運用了規的ct均值和ct方差的分析方法進行分析,試驗發現:對于孔隙和含水較高,密度和強度較低的軟弱巖石,凍融循環次數對損傷結構的擴展有明顯的影響,而對于孔隙和含水較低,密度和強度較高的硬巖,凍融循環次數對其損傷結構擴展初期由於含水低的原因,影響不是太大,而後期由於水補給后,含水較高的原因,凍融影響逐漸增大; ( 6 )運用了本文提出的區段劃分和統計的方法,深入地分析了開放環境下的線性溫度變化的凍融循環次數,凍結溫度,凍結速度不同巖石用時,其內部損傷隨凍融循環次數,凍結速度和凍結溫度變化的擴展規律,需要指出的是除了在試驗前飽水外,凍融過程中沒有補水。
  12. The optical interface board is crucial in sdh system, and the frequency synthesizer unit is especially important for the design of the board, so how to design an excellent optical interface board ( ol1zc8 ), which is in zxsm - 2510 project, is discussed in this dissertation

    Sdh設備研發中,光介面板的地位舉足輕重。光介面板設計中,合成單元尤其關鍵,穩定可靠的時鐘信號是系統的前提。本論文依託中興通訊有限公司zxsm - 2510項目,項目的任務是設計性能優越的光介面板(命名為ol1zc8 ) 。
  13. Output window is the core of the gyrotron, which speciality can decide the speciality of the gyrotron greatly. the major subjects of output window design for high power gyrotron are to reduce the reflection and absorption power in order to enhance the gyrotron ’ s stability and protect the output window

    如果窗片的反射升高,在高功情況下返回到高系統的功將顯著上升,引起寄生模式在高系統中自激振蕩,從而降低迴旋管的高輸出功和模式純度,乃至於使迴旋管不能穩定
  14. In order to make the converter operate normally without the interference by emf, the cable connecting the converter to a 3 - phase motor must have high resistance to emf interference, low effective capacitance and low transmission impedance

    為保持變不受電磁干擾,因此連接變器與三相交流電機之間的電纜就要求具有抗干擾性能、較低的有效電容及較低的傳輸阻抗。
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