比測器 的英文怎麼說
中文拼音 [bǐcèqì]
比測器
英文
comparator-
This requires even more detectors because these waves are even weaker than the waves from binary stars and neutron stars
這將需要更多的探測器,因為與雙星和中子星產生的引力波相比,這些引力波還要更弱。Incoherent detectors are those in which a current or voltage is generated in direct proportion to the amount of received power.
非相干的探測器產生正比于被接收功率的電流或電壓。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。On tuesday, state - run newspapers said china will launch its first lunar probe later this month, just weeks after regional rival japan successfully sent a lunar satellite into orbit
周二,主流媒體稱中國將在本月末發射第一顆月球探測器,僅比地區對手日本成功把探測器發射軌道晚一周時間。The stability of high dc current compartator with double magnetic detector
雙重磁檢測器直流大電流比較儀的穩定性研究Get 34 ms measurement speed perform pass fail testing with comparator function
通過比較器功能,執行合格不合格測試At the same time, the parameter monitoring circuit is designed to check the operational parameters of pharos that include voltage of power supply, operational current, based on lm339 voltage comparer, optical sensor and logical circuit
以lm339電壓比較器為核心,結合光傳感器、邏輯電路等,設計出參數檢測電路,監測航標燈的電源電壓、工作電流等工作參數。By develop the new type thermostat module which is specialized in the thermoelectrical hgcdte infrared sensor, i have studied some advanced temperature control technique and mapped out a scheme of fuzzy pid control
本課題通過開發專用於熱電製冷型hgcdte紅外探測器的新型溫度控制器模塊,深入研究了當前比較先進的控溫方法,設計了模糊pid控制的總體方案。The results are as follows : the target and background irradiance snr on the detector ' s are greater than the minimum snr on a 40 - kilometer distance ; the target irradiance on the detector ' s target plane can comply with the minimum irradiance that is not beyond the capability of the detector ; the system effect range from the experiment data can satisfy this index
結果表明40km距離處,目標與背景在光電探測器上的輻照度信噪比大於可探測最小信噪比;目標在探測器靶面上的輻照度滿足探測器所能探測到的輻照度最小值;實驗數據上推導出系統的作用距離能達到這一指標。The leakage gamma ray of iron spheres is measured by high pure germanium ( hpge ) detector. comparing with the bc - 501a scintillator detector, four characteristic gamma rays : 846. 77, 1238. 282, 1771. 351 and 2212. 933kev caused by inelastically scattered neutrons are coincident with the bc - 501 a scintillator detector. it shows that the measurements by bc - 501 a scintillator detector are accurate and credible
利用高純鍺探測器測量泄漏能譜,並與bc - 501a測量的結果進行了對比,幾個典型的中子非彈性散射所產生的特徵射線峰846 . 77kev , 1238 . 282kev , 1771 . 351kev和2212 . 933kev ,對應的較一致,由此確定bc - 501a探測器測量結果是準確、可靠的。With the corrected parameter files, the results indicate that the isotopic abundance in the sample can be determined within 2 % error using a hpge detector system. artificial neural networks ( ann ) are a class of models based on neural computation and have been applied to the measurement of uranium enrichment. the principles of ann methods used in uranium measurement are presented in this paper and the conditions of analysis proceedings are described
在核保障核查測量中和實物監測中,測量對象往往是規格確定並種類有限的元件或部件,只需要關心測量對象的屬性是否發生了變化,或者對同一種類的放射性樣品的一致性做出判斷,這種要求下使用神經網路方法是比較適宜的,並且神經網路方法是與探測器和探測效率無關的。In this thesis we have analyzed some kinds of single photon detector and their advantage and disadvantage firstly. then, the key apparatus ( ingaas - apd ) and its characteristics have been studied. we have tested the apds of perkinelmer, oki and photon company, and got some useful parameters
其次,主要對量子通信用單光子探測器的核心器件? ? ingaas雪崩光電二極體( ingaas - apd )的暗電流特性、光電流、溫度特性、雪崩特性等進行了研究,同時把飛通公司、 oki公司、 perkinelmer公司的apd進行了比較,分別得出了它們的特性參數,為研製實用的紅外單光子探測器提供了重要的依據。Based on the characteristics of fire in high - rise buildings, the papers introduces the work principle of scatter photoelectric style fire explorer, discusses the work courses of automatic alarm, and analyzed that the sense smoke explorer system with prolonged work procedure is much more reliable than that without prolonged work procedure in the fire automatic alarm. whats more the computer program graph for auto - alarm system is also worked out. 4figs. , 5refs
依據高層建築火災性質和特點,介紹了高層建築中用散射光式光電感煙檢測器檢測火災的工作原理,討論了自動控制報警的工作過程.分析比較了設有延時工作過程的感煙探測系統比沒有延時工作過程的系統,火災報警的可靠性大大增強.並編制了自動報警系統計算機程序框圖,本文討論的高層建築中火災的探測與自控研究,對于不同建築結構和不同要求的火災控制報警系統具有參考價值和社會經濟意義.圖5 .參5The influence of thermal blooming on ir image quality is relative severe when brightness or contrast of the ir detector observed scenery is very low
紅外探測器觀察的景物亮度或對比度通常很低,此時熱暈對紅外像質的影響比較嚴重。We would try our best to meet your needs and styles
四高性價比的臭氧濃度監測器。2 、 the influence to the quality of array ccd camera under the irradiation of cw and pulse laser was investigated experimentally. the result of experiment shows that the ccd easily damaged by pulse laser to cw laser. the thresholds of ka - 320 model ccd saturation and sub - damage were measured
2 、系統地開展了脈沖與連續激光干擾面陣ccd光電探測器實驗,實驗證實:與連續激光相比,脈沖激光僅需較低的能量即可將ccd破壞,得到在破壞面陣ccd探測器方面脈沖激光優于連續激光的結論。The simulation results show that the feature point detection and tracking algorithm is feasible. next, matched points based essential matrix estimation is studied. the spacecraft attitude and position parameters are derived from essential matrix and the scale of motion is recovered with range information from laser ranger taken in account
再次,研究基於匹配特徵點對的本質矩陣的估計演算法,給出了由本質矩陣求取空間探測器的姿態信息和位置信息的方法,並且結合激光測距儀信息,得到探測器的運動比例參數,實現軟著陸過程的導航。In this paper, the history, present status and trend in development of infrared technology, infrared detectors and umbirfpa were rounded represented
論文從紅外技術、紅外探測器和umbirfpa的歷史、現狀到發展趨勢進行了比較全面的闡述。This new has comparable simple structure
此觀測器結構比較簡單,物理意義明確。Except for types of stationary phase, components of mobile phase and types of detectors, other prescribed conditions under each type, such as internal radius and length of chromatographic column, brand of stationary phase, carrier granularity, flow speed of mobile phase, as well as proportion, column temperature, volume of incoming samples of different components of mixed mobile phase and sensitivity of detector can be appropriately changed to accommodate different chromatographic system and reach requirements for applicable test of the system
各品種項下規定的條件除固定相種類、流動相組成、檢測器類型不得任意改變外,其餘如色譜柱內徑、長度、固定相牌號、載體粒度、流動相流速、混合流動相各組成的比例、柱溫、迸樣量、檢測器的靈敏度等,均可適當改變,以適應具體的色譜系統並達到系統適用性試驗的要求。分享友人