探測率 的英文怎麼說

中文拼音 [tàn]
探測率 英文
detectability
  • : Ⅰ動詞1 (試圖發現) try to find out; explore; sound 2 (看望) call on; visit; see 3 (向前伸出)...
  • : 動詞1. (測量) survey; fathom; measure 2. (測度; 推測) conjecture; infer
  • : 率名詞(比值) rate; ratio; proportion
  • 探測 : survey; search; sound; probe; sounding; detection; acquisition; reconnaissance; localization; fin...
  1. The background count of the detector is 4~6 counts 1 min.

    器的本底計數為46脈沖1分。
  2. Incoherent detectors are those in which a current or voltage is generated in direct proportion to the amount of received power.

    非相干的器產生正比于被接收功的電流或電壓。
  3. In recent years, the longitudinal pulsed - discharge gas lasers with diffusive cooling have received renewed interests. a compact low power pulsed laser with high repetition rate has potential importance in laser exploration, fine mechanical processing, photochemistry and so on

    近年來,縱向放電的脈沖氣體激光器重新受到了人們的重視,一種小型的低功的高重復頻脈沖激光器在激光、精細加工和光化學等許多應用領域,有重要的應用前景。
  4. Study of semi - empirical fits to the efficiency curves of coaxial germanium detectors in energy range of 60 2614 kev

    能區同軸鍺器效曲線半經驗擬合表達式的研究
  5. In fourth chapter, the quantum efficiency of the electron multiplier was displayed, and the design of monochromator calibration setup was provided. in fact, the setup had been built up

    第四章給出器效的標定結果,提出單色儀的標定方案,建立起單色儀標定實驗裝置。
  6. In the retrofocus project, a retrofocus structure with two elements is used in the object lens to enlarge fov and back working distance, in the head of which the negative meniscus have the effect of balancing aberration and deviating rays like a prism. and a standard hyperhemisphere immersion lens with high refractive index is put behind the object lens to satisfy the receiving of a detector with smaller photosensitive

    反遠距設計方案中物鏡採用二片式反遠距結構,增大了視場和后工作距離,彎月型負透鏡在前,具有平衡像差和棱鏡的偏向作用;物鏡後放置高折射標準超半球型浸沒透鏡,滿足小光敏面器接收。
  7. Then, the paper present a protocol misusage ids in application layer based on markov chain, and obtain the following results after test : the system can have good effection on detecting the probe packet, dos attack and novelty attack. the system can overcome part of disadvantages in traditional intrusion detection system, and adapt requirements with different network. the experiment shows that the system can improve the detection accuracy rate, reduce the false negatives probability

    通過對檢系統的試分析,系統對掃描報文、 dos攻擊報文和新的攻擊報文等有較好的檢。基於馬爾可夫鏈建立的網路異常檢系統可以克服傳統入侵檢系統的部分缺陷,能夠適應不同網路環境的要求,同時也有效提高了系統的檢能力和檢,降低了誤報
  8. The article is directed by the modern structural geology, seismic stratigraphy and petroleum geology. in the study of works, geology, seismic and logging data are used. with the computer ' s ( workstation ) help, adopted many methods which are the technology of balanced section, calculation of the structural movement rate, the renewal of the erosion thickness, renewal of the ancient thickness, the protraction of the cover history curve and the " pagoda " figure, and based on the previous research achievement, this article studies the characteristic of rupture and fold, the degree of structural movement and the fashion of structural movement and brings forward that ludong area has experienced three big phases of structural evolvement

    以現代構造地質學、地震地層學和石油地質學為指導,全面利用各種地質、物井資料,藉助先進的計算機(工作站) ,採用多種方法(平衡剖面技術、構造活動速計算、剝蝕厚度恢復、古厚度恢復、埋藏史曲線製作、寶塔圖製作等) ,並結合前人的研究成果,研究了陸東地區斷裂和褶皺的特徵、構造運動的期次以及構造運動的方式,提出了陸東地區經歷了三個大的構造演化階段。
  9. The limited sensitivity of present pulsar surveys and the greater frequency drift make the more distant pulsars difficult to observe.

    目前脈沖星普查的有限靈敏度和大的頻漂移,使我們難以觀到更遙遠的脈沖星。
  10. 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

    根據月球激光高度計實現200km所需的最小可,各影響因子與最大程關系的分析,確定非合作目標可調衰減法裝置的技術指標。
  11. 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,根據對月距方程各系數的影響權重分析,提出了非合作目標可調衰減法,即:通過對漫反射模擬目標,衰減出射激光功,在一定的漏警概條件下量激光高度計的最小可
  12. A high power microwave detector based on thermionic diode

    一種基於熱離子二極體的大功微波
  13. Thirdly, a novel parameter - varying adaptive algorithm for rtt and rto estimations based on the information theory and the maximum entropy principle ( mep ) is presented. it is used in the implementation of trinomial protocol to detect packet losses and to adjust the sending rate

    再次,給出了一種新的基於信息理論和最大熵原理( mep )的變參數自適應rtt和rto估計演算法,在三項式協議實現過程中用於丟包及速調整。
  14. The relation between area of ccd saturation and 0. 632 m 、 1. 06 m laser power / energy was measured. the ccd camera was disturbed by strong radiation from laser outside the field of view in experiment. the relation between the area of ccd saturation and off - axis angle was measured

    通過實驗,得到激光干擾ka - 320型面陣ccd光電器的像元飽和閾值、器靶面飽和閾值、局域損傷閾值,並得到了0 . 632 m與1 . 06 m波段入射激光功與ccd靶面飽和程度的對應關系曲線,了解了面陣ccd器受激光干擾的各個階段。
  15. 1. when the target is motionless, ccd sensor imaging is simulated. the pattern of the object is the resolution target - white and black strips

    首先模擬了物像與ccd器相對靜止情況下的成像過程,模擬中的目標採用鑒別板的圖案即黑白相間的條帶。
  16. Main conclusions drawn from the analyses of calculating results are as follows : ( 1 ) the microwave absorption of atmosphere gas have obvious attenuation at the wavelengths for cloud detection, thereinto, the water attenuation effect changes greatly, so the 94ghz cloud detecting radar should have water vapor attenuation correction scheme. ( 2 ) when 37ghz and 94ghz radars detect clouds, the difference between the atmosphere and cloud attenuation and the large variety of radar reflectivity conduce the intension of the radar backscatter signals change. ( 3 ) for the thin cloud layer and low water content of cloud, 37 - ghz radar backscatter signals are not as good as 94 - ghz radar, that is to say that the 94ghz radar has better capability in thin clouds detection

    本工作得出如下結論: ( 1 )大氣氣體的微波吸收在雲波段產生明顯的衰減,其中水汽衰減效應變化很大;即將上天的空間94ghz雲雷達必須有水汽衰減訂正方案; ( 2 ) 37ghz和94ghz雷達雲,由於大氣和雲衰減不同和雷達反射的很大差異,導致雷達回波信號強弱不同; ( 3 )對雲層較薄、含水量較少的雲,在不計雷達參數的情況下, 37ghz雷達回波信號不如94ghz雲雷達,也就是說94ghz對薄雲有更強的能力;對雲層較厚、含水量大的雲,由於強衰減的作用, 94ghz雷達回波信號小於37ghz雷達; ( 4 )從大氣衰減的不利因素方面考慮,空間94ghz雷達高層薄雲的效果最好;低層薄雲時需要考慮氣體衰減訂正;因濃厚雲的強衰減作用,其中下部的能力大大減弱,不僅要進行衰減訂正,而且要藉助其他信息來反演整個雲層的含水量垂直分佈; ( 5 )為了獲得從極薄到極濃厚雲的垂直分佈能力,未來雲雷達系統最好採用雙波長甚至三波長(如94 、 37和13ghz ) 。
  17. Specific spectral detectivity

    比光譜探測率
  18. As the microbolometer which is voltage biased express some characters different from other infrared detectors under the effect of electric heat and infrared radiation together, the computing method of parameters, such as responsivity, noise, noise equivalent temperature different ( netd ), noise equivalent power ( nep ), optical gain, detectivity and so on is given in this paper. some of these parameters are particular compared with other detectors, and some have difference between microbolometer and other detectors

    由於微輻射熱計在施加偏置電壓的情況下,電熱效應與紅外輻射的共同作用使它表現出與其他紅外器完全不同的一些特徵,文中給出了響應、噪聲、噪聲等效功、噪聲等效溫差、光學增益、探測率等參數的計算方法,這些參數中的部分是微輻射熱計獨有的,或者與其他的紅外器的同一參數有所區別。
  19. In the last few hundred meters of the descent, a white - light lamp on the probe will illuminate the surface ? which is normally a muddy red because the atmosphere absorbs the blue frequencies of sunlight ? allowing the disr to do a spectral analysis of the surface composition

    在最後數百公尺的下降過程中,器上的白光燈將照亮地表(地表通常為暗紅色,因為大氣吸收太陽光中的藍色頻) ,讓disr對地表組成進行光譜分析。
  20. Based on analyzing deeply the basal principle and the system structure of the multi - sensors information fusion technology, and according to the model of feature level fusion, the achieving method of fire detection system based on simulated annealing feature level fusion is presented. this method that searches first - rank ‘ feature fusion coefficient ’ through simulated annealing arithmetic can improve the validity property and demote the mis - warning rate

    在深入討論了多傳感器信息融合技術的基本原理及體系結構的基礎上根據特徵層融合的模型提出了基於模擬退火的特徵層融合火災系統實現方法,使用模擬退火演算法搜索最佳的「特徵融合系數」 ,從而提高火災的正確性,降低誤報
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