脈沖反射器 的英文怎麼說
中文拼音 [màichōngfǎnshèqì]
脈沖反射器
英文
trigger reflector- 脈 : 脈名詞1. (動脈和靜脈的統稱) arteries and veins2. (脈搏的簡稱) pulse 3. (像血管的組織; 連貫成系統的東西) vein
- 反 : Ⅰ名詞1 (方向相背) reverse side 2 (造反) rebellion 3 (指反革命、反動派) counterrevolutionari...
- 射 : Ⅰ動詞1 (用推力或彈力送出) shoot; fire 2 (液體受到壓力迅速擠出) discharge in a jet 3 (放出) ...
- 器 : 名詞1. (器具) implement; utensil; ware 2. (器官) organ 3. (度量; 才能) capacity; talent 4. (姓氏) a surname
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Time - domain reflectometry ( tdr ) : an impulse is transmitted into the loop
時域反射器( tdr ) :一個脈沖發射給環路。Tomachan is an inductive energy storage pulsed power device. this paper presents the improvements on the trigger switch, the constant - current charging system, and the diode cathode of tomachan
Tomachan系統是一臺電感儲能型脈沖功率裝置,可用來進行反射三極體虛陰極振蕩器的研究。When the energy converters and the thickness of the steel plate are settled, the attenuation speed of the repetitious pulse reflected wave from the underside is only related to the reflectivity of the reinforced concrete interface
在鋼板厚度和換能器確定的情況下,多次脈沖底面反射波的衰減速度只與鋼-混凝土界面的反射率有關。But if we want to make it work normaly and make it work with electronic development to distinguish the neutron ' s inelastic scattering y spectra with the capture spectra, then we can get the element ' s inelastic scattering y spectra, we must research again the controlled circuit of the pulse neutron generator
而要使脈沖中子發生器正常工作並且能於我們自己研製的電控門配合,將中子與物質中所含元素的原子核相互作用的非彈性散射反應和俘獲反應區分丌來,從而得到能夠較好的表徵該元素的非彈性散射譜。After measuring dark current, photocurrent and response to x pulse of gaas detector before and after 1. 7 mev electronic radiation, the response tune, fall time of trailing edge, full width of half maximum ( fwhm ), sensitivity, carrier life, mobility are researched and contrasted. the result shows that the response speed of detector, time resolution ratio and nonlinear of back edge of output signal have been improved greatly after electronic radiation. though sensitivity of the detector reduces, its measuring range can be widened
為了使探測器的性能得到進一步的提高,我們對其進行了電子輻照改性,並測量了本徵砷化鎵探測器和經過1 . 7mev電子輻照的探測器的暗電流、光電流及對x射線的脈沖響應,並對其響應時間,后沿下降時間,半高寬( fwhm ) ,載流子壽命,靈敏度進行對比,研究,結果顯示經電子輻照后的探測器的性能得到了改善,使響應速度,分辯率進一步提高,並消除了探測器輸出信號后沿的非線性,雖靈敏度有所降低,反而使其測量范圍得以拓寬。Psr is a radio detection equipment that provides information on range and bearing of aircraft in the form of a target blip on the radar screen to air traffic controllers by transmitting radar pulses and detecting the reflected signals from the aircraft. no active transponder or avionics on board aircraft has to be relied on
監察雷達發出雷達脈沖,偵測從飛機反射回來的信號,便可計算飛機的距離及方位,並以目標點在雷達屏向航空交通管制員顯示,而不須依靠航機上的應答機或其他航空器材。Using it, time amplitude converter and pulse neutron generator, the y spectra of 14mev pulse neutrons is measured. utilizing the time difference of several different reactions about the interaction of neutrons and nucleus, the whole spectra and the capture spectra are measured. a method that uses double gate subtracting background to gain the fast neutrons " inelastic scattering y spectra is introduced
研製了一種線性門電路,介紹了它與脈沖中子發生器、多道脈沖幅度分析器配合,進行14mev脈沖中子譜的測量,利用中子和原子核相互作用的幾種反應在時間上的差異,測量了總譜和俘獲譜,採用雙門減本底方法得到了快中子非彈性散射譜。Point - sourc reflector radiator and point source array radiator were adopted to study experimentally the transmission property of ultra - short pulse
採用了點源?反射面型及陣列型輻射器對超短脈沖的輻射特性進行了實驗研究。As a method to obtain higher sbs reflectivity by improving the monochromaticity of laser system, the ld end - pumped pulse - microchip laser operated on high - repetition and single - frequency has also been researched. in section v, we revised the previous theoretical model for passive - q - switched laser using cr4 + : nd3 + : yag by introducing the space dependence between the photons and inversion populations in microchip resonator
由於泵浦激光的線寬對sbs反射率有顯著影響,而利用單縱模、高重復頻率運轉的脈沖微片激光器作為dpl系統種子光源來提高激光系統單色性是一種可行的技術方案。( 3 ) properties of yag laser q - switching by sbs were experimentally investigated, and the laser without back reflective mirror was devised, and laser pulse was obtained at repetition rate ihz and 5hz by optimizing lens focal length, length of cell and position of lens focal. point, resulting quality of pc is ideal
( 4 ) 、實驗研究了sbs的yag激光器,設計了無後向反射鏡的sbsyag激光器。在泵浦能量17j 、重復頻率分別為1hz 、 5hz時,得到穩定輸出的能量為19mj 、脈寬為10 . 7ns 、光束質量很好的激光脈沖。The narrow pulses of uwb make it possible for some receivers to resolve the separate multipath streams and use multiple “ arms ” to lock onto the various reflected signals
由於超寬頻具有短脈沖,某些接收機就可能解析出不同的多路徑訊號流,並利用多個武器鎖定不同的反射訊號。Therefore, it is useful to make further study on heightener of reflectivity and applying in laser system with narrow pulse - width less than 30ns and high repetition rate more than 100hz for space - communication and laser - detect
而對光纖相位共軛器而言,關鍵問題是如何突破sbs反射率低於60的瓶頸,並應用到重復頻率大於100hz 、脈沖窄於30ns的激光系統中獲得較高的穩定性和較好的相位共軛效果。分享友人