intensity modulation 中文意思是什麼

intensity modulation 解釋
輝度調制
  • intensity : n. 1. (思想、感情的)強烈,激烈。2. 強度。3. 【攝影】(底片的)明暗度。
  • modulation : n 調整,調節;(聲調的)抑揚,變化;【音樂】轉調,變調;【無線電】調制。 amplitude modulation 振...
  1. 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。
  2. Corticofugal modulation of frequency tuning of inferior collicular neurons in big brown bat, eptesicus fuse us chinese science bulletin, 2000 in order to explore the possible mechanism of corticofugal modulation of excitatory frequency tuning curves ( eftcs ) of midbrain neurons, we examine the change of sharpness, frequency - intensity response area, minimum threshold of both eftcs and inhibitory frequency tuning curves ( iftcs ) of inferior coliicular neurons during corticofugal modulation using two - tone inhibition paradigm and micro - electrical stimulation technique

    第二章大棕幅聽皮層對中腦下丘聽神經元頻率調諧曲線的調制科學通報, 2000用雙聲刺激的方法和電刺激技術,進一步研究了在激活聽皮層前後下丘聽神經元興奮性和抑制性頻率調諧曲線的銳度、頻率強度反應區域、最低閾值的協同變化
  3. During corticofugal inhibition, the percent change of frequency - intensity response area of eftcs had significant correlation with the percent change of that of iftcs. these data suggest that cortical neurons are likely to improve frequency information processing of inferior collicular neurons by modulation of iftcs

    當聲源方位由記錄部位對側移向同側時,大多數神經元接受的gaba能抑制性輸入的量增加,與興奮性輸入整合后,導致了頻率調諧特性的方向性差異。
  4. With the development of fiber - optic communication systems and fiber - optic sensors, the linbo _ 3 integrated optical intensity modulators consisting of m - z optical waveguide and cpw modulation electrode structure get an extensively application

    隨著光纖通信與光纖傳感的發展,以linbo _ 3為襯底材料、以m - z干涉儀為光波導結構、採用共面行波電極( cpw )為調制電極的集成光學強度調制器得到了越來越廣泛的應用。
  5. Fiber - optic fabry - perot sensor is a kind of high precision interferometric fiber - optic sensor, so this kind of sensor has a bright future. this sensor can be classified into 3 kinds of sensors by their demodulation device. these are intensity modulation / demodulation fiber - optic fabry - perot sensor, phase modulation / demodulation fiber - optic fabry - perot sensor and white - light interferometer modulation / demodulation fiber - optic fabry - perot sensor

    按照信號解調裝置的不同該種傳感器可分為三類:強度調制解調型、相位調制解調型和白光干涉儀調制解調型光纖fp傳感器,其中后兩種採用寬光譜光源,是白光干涉型光纖fp傳感器。
  6. In low laser intensity, cr4 + : yag can be used as slow saturable absorber. the nearer is the initial transparence to the max initial transparence, the bigger is the loss modulation

    在光強不太大的情況下, cr ~ ( 4 + ) yag可作為慢飽和吸收體,其初始透過率越靠近最大初始透過率,損耗調制越大。
  7. So the application prospects of linbo _ 3 integrated optic intensity modulators are getting better. the linbo _ 3 integrated optical intensity modulators consisting of m - z optical waveguide and cpw modulation electrode structure is presented in this thesis

    本課題旨在研究以linbo _ 3為襯底材料、以m - z干涉型光波導結構為基礎、以cpw行波電極為調制電極的集成光學強度調制器。
  8. Studies indicated that image distance is independent of input intensity above a certain threshold and distance between modulate plane and input plane of media, but dependent on the gain coefficient and modulation size ; the intensity of the " hot image " is independent of modulation size and distance between modulate plane and input plane of media, but dependent on the intensity of input beam and the gain coefficient

    研究表明,成像距離基本上與輸入光束的強度和調制平面到介質入射面的距離沒有關系,但是與介質的增益系數及調制細絲的尺寸有關; 「熱像」的強度與調制細絲的尺寸和調制平面到介質入射面的距離基本上沒有關系,但是與輸入光束的強度和增益系數有關。
  9. So the application prospects of linbo _ 3 integrated optic intensity modulators are getting better. two - section cascaded ln intensity modulator applied to laser pulse rectification is presented in this thesis. it is constituted with two - section m - z optical waveguide and cpw traveling - wave modulation electrode

    本課題旨在研究以linbo _ 3為襯底材料、以兩級串聯m - z干涉型光波導結構為基礎、以cpw行波電極為調制電極、用於核爆模擬領域激光脈沖整形的集成光學強度調制器。
  10. The design of excitation power source based on principle of three phase step motor and pulse width modulation ( pwm ) technology, intelligent power model ( ipm ) is used for inverter switches, the output ac pulse used as excitation signals. the speed of rotation and magnetic intensity can be changed by regulate the exciting converted frequency and magnitude of exciting current. constant current is achieved by closed loop feed back

    勵磁電源結合步進電機原理與脈寬調制技術,選用智能功率模塊ipm作為逆變開關器件,輸出交流脈沖勵磁信號,以調節勵磁轉換頻率和勵磁電流大小為手段,實現對磁場旋轉頻率和磁場強度大小的有效調節,並通過閉環反饋實現閉環恆流控制。
  11. Based on the intensity type fiber optic modulation technique, the principle of fiber - optic sensor cad is mainly discussed in detail. for example, the model of sensing units are founded, the model is digitized, the transformation of space and image is described by four - dimensional matrix, and software is designed

    本文著重討論了建立傳感單元模型,模型數字化,四階矩陣表述形式下的空間和成像變換,軟體的編制方法等幾方面關繫到光纖傳感cad的具體理論問題。
  12. 1. firstly, the mathematical model of fiber pair with the factors of reflector shape and inclination is established. then, the numerical simulation is fulfilled, along with a series of rules of the influence on intensity modulation property caused by multimode fiber parameters, the factors of reflector shape and inclination

    然後,採用數值模擬的方法系統地研究了多模光纖參數(包括光纖對軸間距、光纖芯徑和光纖數值孔徑) 、反射面傾斜因子以及形狀因子對rim - fos強度調制特性的影響規律。
  13. Study of intensity modulation - direct detection laser system for detection of sound vibration

    強度調制直接探測型遠距離激光聲探測系統研究
  14. Im - dm : intensity modulation - direction modulation

    直接強度調制
  15. This paper explored the micro pressure sensor that is used for the measurement of distributed pressure at the surface of smart - skin. firstly, established the surface pressure model according to the aerodynamic properties, defined the optical measurement system that based on intensity modulation principle, discussed the components of this system and theoretical analyzed its measurement theory in detail

    首先,根據空氣流動的基本規律給出機翼表面壓力分布圖,通過對光學式微型壓力傳感器的理論分析,採用強度調製法測量飛機機翼表面的壓力並建立基於此方法的光學測量系統模型,得到了壓力與敏感膜片變形以及光電轉換輸出能量之間的關系。
  16. Fiber technology has been developed for many applications in both fiber optic communication and sensor systems. fiber sensors have presented a direction to modern measurements for their unique characteristics, among them intensity modulation fiber sensors own strong applications

    光纖技術無論是在光纖通信領域還是在光纖傳感領域都可稱得上是一個具有革命性的技術開拓,光纖傳感本身具有的優點使其成為研究熱點,為現代測量技術的發展提供了一個方向。
  17. The paper analyzes in detail the mechanics and optics theory. in the light of the characteristic of the intensity modulation optical fiber sensor, the reference - way is presented to compensate the error signals which are caused by the bias light, dark current of photoelectric detector, temperature drift of pre - amplifier

    文中詳細分析了這種傳感器的力學和光學工作原理,並且針對所選用的強度調制型光纖傳感器的工作特點,提出採用參考通道補償由於背景光、光電探測器的暗電流、前置放大器溫漂等因素引起的誤差。
  18. Based the research on the laser beam drift feedback control technique, analysing the beam drift and its frequency components, a laser beam directional stability method is studied in the thesis in detail, with its measurement and control circuit system that combines the laser beam intensity modulation and the beam drift feedback control technique. in this method, at first the laser beam intensity is modulated with the acoustooptic modulator, then the lock - in amplifier is applied to detect and demodulate the modulating signal, at last a feedback control signal is generated by the dsp control circuit at last, including : 1

    本文在原有的激光光束漂移量反饋控制準直技術的基礎上,對光束漂移量信號的數據和頻譜進行了分析,重點研究了一種集聲光調制光強與光束漂移量反饋控制準直技術於一體的激光光束方向穩定方法及其測控電路系統,該方法通過聲光調制實現光強調制,接著通過鎖相放大電路檢測並解調調制信號,然後通過dsp控制電路進一步對光束的漂移量進行反饋控制。
  19. Then, it describes the applications of intensity modulation fiber - optic sensor, interferometric fiber - optic sensor, fiber - optic grating and fiber - optic acoustic emission sensor

    同時,文章闡述了強度調制型光纖傳感器、干涉型光纖傳感器、光纖光柵和光纖聲發射傳感器的應用。
  20. The paper focuses on the following work : ( 1 ) analyzes fiber sensing theory of intensity modulation ; deduces modulation formula of reflex sensor and studies its characteristics using computer ; experiments the sensing characteristics of reflex types and fiber bundles

    其中的強度調制型光纖傳感技術最具有實用化性,本論文將研究其調制特性並進行強度調制型光纖真空度傳感實驗,主要的研究工作包括: 1分析了強度調制型光纖傳感原理。
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