衰減功率 的英文怎麼說

中文拼音 [shuāijiǎngōng]
衰減功率 英文
decay power
  • : 衰動詞(衰弱) decline; wane
  • : 名詞1 (功勞) exploit; merit; meritorious service [deed]: 戰功 military exploits; 立功 render me...
  • : 率名詞(比值) rate; ratio; proportion
  • 衰減 : attenuation; decay; damping; reduction; rejection; weakening; deamplification; dampening; dying o...
  1. Supervisor point is behind the postposition of power amplifier, optic signals coming from a tap of 99 : 1 enter into optic spectrum scan module, then the power levels which have been calculated by iterative algorithmic are sent to power control module to guide a set of tunable electronic attenuators

    此方案將監測點放在後置放大器的後面,從分束器中分出99 : 1的光進入光頻譜掃描模塊,傳給控制模塊的光值經過選代演算法后計算出均衡后的值送到控制模塊的控制中心去調節電可調節器。
  2. According to the minimum detectable power required by the spaceborne laser altimeter for 200km maximum range and the analysis result of the effect between the maximum range and the equation ' s each parameter, the specifications for noncooperative regulable attenuation setting were fixed on

    根據月球探測激光高度計實現200km所需的最小可探測,各影響因子與最大測程關系的分析,確定非合作目標可調法裝置的技術指標。
  3. Based on the analysis of the effect on the maximum range of the equation ' s each parameter and the traditional method of extinction ratio, the noncooperative regulable attenuation - measure the minimum detectable power of laser altimeter on the condition of constant miss probability by attenuating the laser power transmitting to the diffuse reflected simulant target - was put forward

    在傳統的消光系數法基礎上,根據對月測距方程各系數的影響權重分析,提出了非合作目標可調法,即:通過對漫反射模擬目標,出射激光,在一定的漏警概條件下測量激光高度計的最小可探測
  4. Optical power meter real - time monitor optical power of each optical cable, and control computer gather the value of optical power attenuation circularly, if some values excess the limit, the computer control optical switch to connect another spare optical fiber with otdr card, control the otdr card to test the optical fiber, and then find the malfunction point accurately. the system require software system to run with hardware devices tother. this paper analyze requirement and technical feasibility in software system, ooa and uml are used to analyze software and abstract the class diagram

    通過光計對每條光纜中的備用光纖進行實時的監控,測試光值,主控計算機不斷循環的對每個光模塊進行數據採集,並記錄每路光信號的光值,然後進行分析處理,如發現達到設定的光門限值就報警,並控制光開關的切換,將故障光纜中的另一備用光纖與otdr卡連接,通過otdr卡對該光纖進行測試,從而確定故障點。
  5. The paper has founded the model of laser transmission in launch process and the movement model of laser - powered vehicle, and has analyzed the influence on performance of launch system, which was raised by some factors, for instance, the performance of thruster, the attenuation in transmission, the height of mode - transform, the laser power, the air drag force, the launch height, and so on

    本文研究了激光推進微小衛星發射系統的概念和性能。建立了發射過程激光傳輸和激光推進運載器運動模型,分析了推進系統性能、大氣傳輸、模式轉換高度、激光器、大氣飛行阻力、發射點高度等因素對發射系統性能的影響。
  6. The calibration of a spectrum analyser normally includes checks on frequency accuracy, level flatness, level linearity, input attenuation and calibration reference output

    頻譜分析器的校正工作一般包括檢查頻準確度、電平不平坦度、標度線性、輸入及參考輸出值的校正。
  7. In the paper, prescale technology, interpolate method, averaging method and multiple period synchronization method are used to measure the frequency accurately. diode demodulating technology, and power attenuated method or probe coupling & water load technology are employed to measure the power of high power microwave. isothermal technology is used to improve the stability of demodulator and to expend the range of square linear region

    本文採用預分頻法、內插法、多周期同步法、平均法實現了頻的精確測量;利用二極體檢波技術,結合法或探針耦合+水負載技術實現了大微波的測量;採用恆溫技術提高了二極體檢波器穩定度;完成了單片機串口通信協議設計和系統電磁兼容的分析和設計。
  8. 3. the new microwave power supply ( mps ) can work in vacuum and its power measurement is convenient. the output power could be adjusted with the change of control voltage, and the reflecting power could be gotten by measuring the output voltage of attenuator and detector

    ( 3 )可在真空下穩定工作的新型微波源的測量較為方便,通過改變控制電壓的大小可以調節輸出,通過測量檢波器的輸出電壓信號可實現反射的測量。
  9. The experimental study is performed on the c - band tapered milo designed with the help of the simulation. the whole system is calibrated separately by parts. from milo to microwave receiving hom, the special system is simplified to be a two - port network and its s parameter is measured to calculate the attenuation factor a

    對于微波的標定問題,我們根掘實驗條件,將整個系統劃分為幾個部分分別進行了標定,包括:從milo到接收喇叭組成的特定系統,將該特定系統簡化為一雙口網路,並測量出了其s參數,從而計算出與頻密切相關的量a ;對固定器在不同微波頻下的量進行了標定。
  10. The electric field, magnetic field, critical frequency, surface current, power transmission and attenuation, as well as te and tm modes in waveguides are discussed

    給出計算等效矩形截面波導的te模和tm模、電磁場、臨界頻、波導壁電流、傳輸和的公式。
  11. The system can resolve the noise and impedance on the power line and obviously improve the abilities of anti - disturbance and successful rate of communication. at the same time, the software realy method and arithmetic is also introduced to settle the problem of attenuation and increase the distance of carrier communication, it can satisfy the need of remote reading meter system

    該系統有效地克服了電力線噪聲和阻抗變化等干擾因素,提高了抗干擾能力和通信成,同時提出軟體中繼的思想和演算法並加以實現,進一步抑制了線路快的問題,使載波通信的距離增加,滿足了遠程抄表系統的要求。
  12. The influence of various waterpower and configuration parameters on heat transfer is analysed and the rules of convective heat transfer coefficient and the ratio of heat transfer enhancement with mass flux are obtained. at the same time, we gain important results as below : as for resonance chamber with certain configuration, self - oscillation can be generated under suitable configuration and waterpower parameters. for the same configuration resonance chamber, the intensity of the self - oscillation is changed by the waterpower parameters

    當流量及壓差降低至一定程度時,共振腔還可能削弱換熱;加熱的提高會增加流體(水)的溫度,流體的粘度會隨著降低,這會少對流體脈動的阻礙,使脈動得更慢,而脈動幅度的增加會增強換熱,故加熱對有脈動的對流換熱是有影響的;自振腔產生的流體脈動頻是自振腔固有頻或其整數倍,流體脈動頻過高或過低都不利於對流換熱,存在一有利於強化換熱的頻范圍。
  13. Firstly, the characteristics of radiation propagation and attenuation in the atmosphere, and the power response of a contrast - limited optoelectic system are analyzed, the apparent contrast model of a target is developed, and the detection range equation dependent on the aerosol extinction coefficient and range parameter are derived

    首先,分析了紅外波段大氣輻射傳輸與、對比度限制光電成像系統響應特性,建立了目標表現觀對比度模型,並推導出了由氣溶膠消光系數和距離參量確定的探測距離方程。
  14. It has been found that by simulating the effect of coupling attenuation on all - optical wavelength conversion, all - optical wavelength conversion by using both light conversion and idle light can be realized respectively by adjusting coupling attenuation under the condition of different pump light and signal light powers

    文章通過模擬耦合器對全光波長變換的影響,發現在不同的泵浦光與信號光條件下,調節輻合器可分別實現利用變換光的全光波長變換和利用閑頻光的全光波長變換。
  15. The main work of the system can be divided into four main parts as the following : ( 1 ) 10. 5ghz bandpass filter the main contradiction of filter is caused by its function of dividing frequencies. in order to properly divide frequencies, not only need passband ’ s attenuation to be as small as possible and stopbands ’ as big as possible, but also need a sharp and quick change between the attenuation of passband and stopband, thus to make their diversity obvious

    這四個能模塊分別是: (一) 10 . 5ghz帶通濾波器濾波器的主要矛盾是由它分隔頻能決定的,為了使分隔理想,一方面要求通帶的盡可能小,阻帶盡可能大,亦即通帶和阻帶的差值要盡量大;另一方面要求通帶和阻帶之間的變化應盡可能快,最好是陡峭的跳變,使阻帶和通帶的分隔十分明顯。
  16. According to structural characteristics of multi - phased alloy steels and the properties of ultrasonic propagation, microstructures characterization with different heat treatment processes ( normalizing, quenching / annealing, quenching plus low tempering, quenching plus high tempering ) for three steels ( 40cr, 38crmoal, gcrlssimn ) was studied experimentally by using ultrasonic methods. ultrasonic velocity, relative attenuation coefficient, and power spectral analyses were researched on the same samples respectively, on the basis of theory and experiment, the sensitivity and other characterizations of the three methods used to distinguish different microstructures were compared

    根據具有多種相結構合金鋼不同熱處理轉變產物的組織特點,以及超聲波在其中的傳播規律,利用超聲波速度、相對系數以及譜分析三種方法,對三種鋼( 40cr 、 38crmoal及gcr15simn )不同熱處理(正火、淬火退火、淬火+低溫回火及淬火+高溫回火)轉變產物的顯微組織進行了超聲表徵研究。
  17. We have demonstrated a novel voa based on high birefringence fiber loop mirror, which has many advantageous characteristics such as a simple structure, high flexibility, polarization independence, low insertion loss and low price, etc. experimental proof shows that it is convenient to realize the control of optical power by using this voa

    2 .利用雙折射光纖環鏡設計並製作了一個結構簡單的可調諧光纖器,具有靈敏度高,偏振無關,低插入損耗和低成本等特性。實驗證明它可以很方便的控制光。 3 .提出了一種由布拉格光纖光柵和高雙折射光纖環鏡共同構成波長選擇器件的摻鉺光纖激光器。
  18. Avm is essentially a precision array film attenuator, which has a big diameter, high power load, continuous adjustment. the gain of each beam of the main amplifiers is controlled independently by the adjusting the angle of each cell of avm

    Avm實質上是大口徑、高負載、透過連續可調的組合式精密薄膜器,通過調節avm各單元偏轉角度大小來獨立控制住放大器各路的增益。
  19. Second, the mode fields of a strip waveguide and some slab waveguides have been simulated by applying finite - difference time - domain ( fdtd ) method. the curvature radius ; vicinity coupling ; transition loss and power attenuation of a s - shape bend waveguide have been analysed numerically by employing wide angle finite - difference beam propagation method ( fd - bpm ), as well as the coupling loss of optical fiber and waveguide. in addition, the framework of the s - shape waveguide laser has been

    其次,應用時域有限差分法,結合波導模式理論對條形與平面波導進行了模場模擬;應用廣角有限差分光束傳播法,對s形彎曲波導的曲半徑、鄰近耦合、過渡損耗、以及波導與光纖的各種耦合損耗進行了數值分析,並在此基礎上,對s形波導激光器的結構作了初步設計。
  20. The three methods are independent, supplement mutually and proved each other because the sensibility of every method is different when used to distinguish different microstructures

    超聲波速度、相對系數及譜分析三種方法,各自獨立;同時,三種方法區分不同組織的靈敏度不同,實驗結果能夠互為補充。
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