point detector 中文意思是什麼

point detector 解釋
點密度
  • point : n 1 尖頭，尖端；尖頭器具；〈美國〉筆尖；接種針，雕刻針，編織針；小岬，小地角；【拳擊】下巴。2 【...
  • detector : n. 1. 發覺者。2. 偵查器。3. 【化學】檢定器。4. 【電學】檢電器。5. 【電訊】檢波器，指示器。
  1. The concept of irradiance signal - to - noise ratio ( snr ) on the target plane and the minimum of the irradiance that can be detected by the detector was taken as the beginning, combined with a thorough analysis of the spectrum radiating feature of the target and the sky background, the atmosphere conditions, spectral filtering and the influence that the various components in the system have on the target irradiance on the detector ' s target plane and the background irradiance snr, the equation of the flying bomb ' s effect range affected by the point of burst measuring system is made, and all related factors that have an impact on the effect range are analyzed as well

    從探測器靶面上輻照度信噪比的概念、探測器的可探測輻照度最小值出發，在詳細分析目標、天空背景的光譜輻射特性、大氣條件、光譜濾波技術以及系統各環節對探測器靶面上目標與背景輻照度信噪比的影響的基礎上，推導了炸點測量系統對爆炸的飛行彈體的作用距離方程，分析了影響作用距離的諸因素。
  2. Point type heat fire detector meets the requirements of gb4716 - 1993. the test itemsinclude electrostatic discharge, radiated electromagnetic fields, and electrical transient bursts

    點型感溫火災探測器應符合gb4716 - 1993標準的要求。檢測項目有：靜電放電；輻射電磁場；電快速瞬變脈沖群。
  3. The combustible gas detector should be of high stability and seldom producing zero - point drift during normal working. it should be able to automatically compensate zero - point drift

    可燃氣體檢測器應穩定性高，正常工作時應很少產生零點漂移。應具有零點漂移自動補償功能。儀表的零點和滿量程應能夠在現場進行標定。
  4. Basing on the mcnp software, the author solved the matter by calculating the value of point to replacing the value of cell or surface. the research searched out a new means to solve similar matters. by using the studying result, the author programmed the gamma code, with the interface of window, which can simulate the course that a y - detector measures the radioactivity in soil and calculate the dose ratio and the chart of energy deposition

    作者以以上方法為基礎開發出了就地譜儀模擬軟體gamma ，軟體基於mcnp軟體平臺，具有可視化介面，用於模擬譜儀現場測量，可視化窗口界面使用戶可以方便地調節探測器內部結構的幾何尺寸及窗材料、測量高度、射線能量及發射率、核素在土壤中的分佈規律等參數，方便工程技術人員的使用。
  5. Channel and point detector

    經絡穴位探測器
  6. This study in this paper shows that the proposed method is superior to the present method for the lightning current measuring in the economical, practicability and precision of measurement. another important point is that the magnetic tape detector can measure the lightning steepness directly, largely expand the magnetic tape appliance field

    本文研究表明磁帶法在經濟性、實用性、精確性上遠遠優于現有的其它雷電測量方法，尤其重要的是磁帶法能夠直接測量雷電流最大陡度，極大的擴展了磁帶法的應用空間。
  7. The object of single photon emission computed tomography ( spect ) is to reconstruct an unknown radioactivity distribution inside the body from projection data consisting of the number of photon collected on a collimated gamma camera. these projections are not simple line integrals but have point - spreads due to the imperfect collimator of the detector and attenuation due to the compton scattering. so

    這種投影數據與透射ct中的數據不同，由於存在著光子的點擴散（由準直器引起）和衰減（由散射引起） ，已經不能用簡單的線積分來描述這個問題，因此相對于透射ct而言，這個領域將面臨很多困難。
  8. Point type smoke fire detector meets the requirements of gb4715 - 1993. the test itemsinclude electrostatic discharge, radiated electromagnetic fields, and electrical transient bursts

    點型感煙火災探測器應符合gb4715 - 1993標準的要求。檢測項目有：靜電放電；輻射電磁場；電快速瞬變脈沖群。
  9. In practical application, due to the parameter accuracy of two point temperature correction is limited by readout circuit noise 、 dynamic range 、 analogue to digital converter word length and calculating noise, the performance of focal plane array detector is not the performance it should be

    目前實用性較好的兩點溫度定標法的校準系數精度受讀出噪聲、信號動態范圍、模數轉換字長和運算噪聲的限制，很難使焦平面探測器的空間殘留噪聲達到應有的精度。
  10. The thesis describes a prototype fractional frequency synthesizer which is supported by a project granted by the ministry of science and technology of pr china. firstly, based on the principle of pll, this paper briefly describes three basic pll components : phase detector ( pd ), low pass filter ( lpf ), voltage controlled oscillators ( vco ), analyzes the linearized pll and summaries the transfer functions of third - order pll with ideal intergrator filter respectively. based on a microwave vco, the single point frequency pll frequency ranging from 2. 2 to 2. 5ghz is developed

    首先，從鎖相環的基本理論、原理出發，分析了鎖相環中的三個基本部件：鑒相器、環路濾波器和壓控振蕩器，此後，針對線性化鎖相環進行了分析，研究了在使用比例積分濾波器時，三階鎖相環的環路參數計算；在電路實現時選用了lmx2353 ，在此基礎上，完成了2 . 2 ~ 2 . 5ghz范圍內的小數頻率合成器設計。
  11. According to the practical need, the paper put forward a new nonuniformity correction algorithm - adaptive linear subsection interpolation correction algorithm, which is the expansion of two - point correction algorithm. the approach is not only achieved the nonuniformity correction in large dynamic range, but also eliminated the effect of temperature excursion of detector responsibility on nonuniformit y correction

    根據實際需要，提出了一種自適應濾波分段線性插值的非均勻性校正演算法，它是兩點校正演算法的擴展，不僅具有較大的動態范圍，而且可以消除由於探測器響應特性溫漂現象對非均勻性校正的影響。
  12. Based on this point, a multi - mode guidance method is proposed, this method contains two point - detectors and one image detector. one point - detector imitates facet in ommateum, image detector imitates one whole ommateum, and it ' s visual function. object ' s 3 - d information is got using two point - detectors

    一個點源頭模擬了復眼中的一個單眼，成像頭模擬了整隻復眼對環境和目標的成像，利用兩個點源頭的信息可以得到日標的三維空間方位信息。
  13. The common - depth - point technique merely means the manifold repetition of each reflection observation with different source - detector geometry

    其深度點技術僅意味著用不同的震源? ?檢波器的分佈形式多次重復每個反射觀測。
  14. By the great development of modern electronic communication, radar, electronic detector and electronic countermeasures technology, higher requirement is needed by the system. according to different application fields, the point system emphasizes is also different

    隨著現代通信、雷達、電子偵察和對抗技術的飛速發展，系統對其性能指標也提出了愈來愈高的要求，並且依據應用系統的不同，對各項指標要求的側重點也有所不同。
  15. In this paper, the research actuality status of zno thin film ’ s structural character, preparation methods and electrical - optical properties is summarized. the effect of sputtering parameters, annealing parameters and doped sb2o3 on the structure, optical absorption and electrical properties of zno thin film is studied by sem, xrd, xps, eds, uv - vis spectrophotometer, hall effect detector, four - point probe electric resistance measurement and direct - current impedance measurement etc. the results of sem, xrd and edx show that zno thin film possesses good processing stability

    本文在綜述zno薄膜的結構特性、制備方法和光電性能等現狀的基礎上，採用射頻磁控濺射技術制備了純和sb _ 2o _ 3摻雜的zno薄膜，採用sem 、臺階儀、 xrd 、 xps 、 uv - vis分光光度計分析、電阻儀、阻抗譜儀等儀器設備分別研究了濺射工藝參數、退火工藝參數和sb _ 2o _ 3摻雜對zno薄膜結構特性、光吸收性能和電學特性的影響規律。
  16. Monte carlo simulations of efficiency function of nai detector and its parameters for point sources

    探測器的點源效率函數及其參數
  17. The detector ' s target plane irradiance snr of the point of burst measuring system, the target irradiance on the target plane and experiment data were explored

    對炸點測量系統探測器靶面上的輻照度信噪比、目標在探測器靶面上的輻照度以及實驗數據進行分析。
  18. The common-depth-point technique merely means the manifold repetition of each reflection observation with different source-detector geometry.

    其深度點技術僅意味著用不同的震源檢波器的分佈形式多次重復每個反射觀測。
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