輻射體輻射器 的英文怎麼說
中文拼音 [fúshètǐfúshèqì]
輻射體輻射器
英文
radiator-
Abstract : radiate thermometer uses a high definitive operation circuit in the modulation and linerization of weak optical signals. the theory of colorimetry was used in measuring the temperature. analogic channel and digital interfaces were added in order to expand the instrument. a kind of double channel ' s photocolorimeter including its hardware and software is introduced
文摘:輻射測溫計採用高精度運算電路,對光弱信號進行調制和線性化處理,運用比色法原理對溫度進行檢測.為了便於儀器擴展,增加了模擬量輸出和數字介面,並對光纖式雙通道比色高溫儀的硬體與軟體的關鍵部分作了簡要介紹Because it ’ s hard to get radiation - harden hardware overseas, so the software fault tolerance techniques are significant for our national space enterprise. the computer platform of 863 plan project ” micro intelligent free - flying space robotic system ” consists of cots component. the orbit and the radiation environment of the robot are similar to ones of the argos satellite, and the system is required to have high reliability. therefore it ’ s necessary to applied the software fault tolerance techniques into the system to improve the anti - radiation capability after the techniques been verified valid
因為我國很難從國外獲得輻射加固的硬體,所以,這項軟體容錯技術對我國航天事業的發展具有較大意義。 863計劃項目「小型智能飛行機器人系統」所用的計算機平臺採用商用器件,其衛星的運行軌道與argos衛星軌道近似,面臨的輻射環境與argos衛星相似,要求具有高可靠性。因此,小型智能飛行機器人系統有必要在驗證sihft技術有效的基礎上,應用軟體容錯技術,提高其空間抗輻射能力。Beta ray extracorporeal irradiator
射線體外輻照器The spinar is a gigantic machine converting gravitational binding energy into electromagnetic radiation by means of rotation.
旋轉體是一架通過自轉把引力束縛能轉換為電磁輻射的巨大機器。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。This paper deals with the problem of shielding against electron radiation from the radiation environment of geospace
摘要該文探討了在地球同步軌道輻照環境下對半導體器件的抗輻射屏蔽間題。Two other effects are transient phenomenon called single event upset ( seu ) and single event latchup ( sel ). in this paper, some means to harden the devices against these phenomena are used. guard banding around nmos and pmos transistors greatly reduces the susceptibility of cmos circuits to lachup
在本文設計中,採用雙環保護結構,大大的降低了cmos集成電路對單粒子閂鎖效應的敏感性;對nmos管採用環型柵結構代替傳統的雙邊器件結構,消除了輻射感生邊緣寄生晶體管漏電效應;採用附加晶體管的冗餘鎖存結構,減輕了單粒子翻轉效應的影響。The main research advances can be summarized as follows : ( 1 ) study the signal processing ' s performances and methods of homing torpedo system comprehensively, in order to setting up a corresponding mathematical models ; ( 2 ) analyze the ocean channel ' s effects on the work of homing system, then found some models such as target echo signal, noise ( including background noise, target radiating noise, etc ), ocean reverberation. according to them, simulate the array signal ; ( 3 ) the system structure, every function blocks composing are studied and founded thoroughly. then, discuss methods of signal processing in time domain and airspace domain ; ( 4 ) program the simulation software of torpedo ' s homing system according to the simulation models and flow charts, which connected with torpedo ' s control part
本文所作的主要工作及研究成果主要有以下幾個方面: ( 1 )對自導工作過程中的信號與信息處理的基本理論與方法進行了較為全面的研究,為建立一個較為完備的自導模擬系統提供了理論基礎; ( 2 )討論了自導系統工作過程中海洋通道對目標回波信號與目標輻射噪聲信號等的影響,建立回波信號的數學模型、環境場中的噪聲信號模型(包括海洋環境噪聲、目標輻射噪聲與魚雷背景噪聲等)與海洋混響模型,模擬產生了聲自導系統基陣接收到的回波信號與噪聲信號; ( 3 )深入研究並建立了自導模擬系統的總體框架,給出各個具體功能模塊組成,討論了聲自導系統對信號的時域與空域處理,並結合模擬程序中陣列信號處理模塊,給出固定多通道波束形成的模擬實現過程; ( 4 )根據系統的模擬模型與已建立的模擬流程圖編制了通用魚雷模擬器自導系統模擬軟體,通過網路與控制系統相連,組成完整的魚雷模擬器。Active structure acoustic control ( asac ) is the leading field in the area of vibration and noise control. based on the most current academic and experiment results of domestic and overseas in asac, modern robust control theory ( h _ control theory ) and modern hydrokinetics theory 、 solid dynamics theory are used to build the control model of asac in this thesis. and the h _ control experimental system is build based on modern signal processing technology and compter technology
本文在國內外最新的asac理論研究與實驗成果的基礎上,首次將現代魯棒控制理論( h _控制理論)與現代流體動力學、固體動力學理論相結合,建立了結構振動聲輻射主動控制模型,提出了設計魯棒h _控制器的新方法,並採用現代信號處理技術、計算機技術建立了結構振動聲輻射魯棒h _控制實驗裝置,進行了實驗研究。The key components in laser gyro is he - ne ring laser, and the reciprocal action theory between light and medium is the base in studying the ring laser, use the lamb half classical theory, and on the base of density matrix theory, the optical brounch equation was established, which described the movement of amplifying medium atom in the ring syntonic cavity, and according to the medium polarize theory the self consistent equations was deduced, which describe the light intensity and phasic of the counter - propagating wave. on the basis of this equations, adopted the simulation software matlab and virtual instrument programming language labwindows / cvi, we can do some simulated experiments in study the phenomenas such as amplify and dispersive characteristic of medium, mode pushing effection, burned hole effection and pattern competition, lock - in of frequency and the characteristic of light intensity and phasic of the counter - propagating wave in laser gyro
激光陀螺的核心部件為he - ne環形激光器,而掌握光與介質的相互作用理論是研究激光器的關鍵,採用拉姆半經典理論為主,在密度矩陣理論的基礎上,推導環形諧振腔中描述he - ne氣體增益介質原子運動的光學布洛赫方程,運用介質極化理論得出描述激光陀螺反向行波的光強、位相所滿足的自洽場方程組,在此基礎上,運用matlab模擬軟體和虛擬儀器編程語言labwindows / cvi ,對激光陀螺中的介質增益色散特性、頻率牽引效應、燒孔效應及模競爭、閉鎖效應及環激光的光強和相位特性進行模擬試驗研究,並且運用全量子理論,對激光工作原理進行分析,得出二能級系統單模輻射場的光子數密度分佈,得出激光場的光子統計分佈,模擬激光場的動態建立過程。Cadmium selenide ( cdse ) single crystal is regarded as one of the most promising materials for room temperature nuclear radiation detectors, but cdse detectors have not been studied in detail because of the lack of high quality cdse single crystals and suitable technology for this semiconductor and the devices
Cdse單晶體是最有前途的室溫核輻射探測器材料之一,但由於沒有制備出高質量的cdse單晶體,加上沒有成熟的半導體材料加工技術與器件製作工藝,人們對cdse探測器沒有進行深入的研究。Using the particle - in - cell ( pic ) model, a 8 millimeter relativistic backward wave oscillator underlying superradiance mechanism was gotten, the influence on both operation frequency and radiation efficiency of the guiding magnetic field, the diode voltage, the beam current and the beam radius as well as the corrugation structure were also presented
採用pic方法,通過數值模擬優化設計了超輻射狀態下的8毫米相對論返波振蕩器,分析了引導磁場、二極體電壓、電子束流、電子束半徑、周期慢波結構等對器件的輻射功率及輻射效率的影響。In contrast with the measurement of backscattered ultraviolet solar radiation onboard satellites, ir radiance measurements in 9. 6m spectral channel at various instruments onboard meteorological / environmental satellites allow ozone estimates during both day and night. in this paper, we use ir radiance measurements within 9. 6 im spectral channels from moderate resolution spectral radiometer ( modis ) and advanced tiros operational vertical sounder ( atovs ) to retrieve total column ozone based on the operational retrieval system of national satellite meteorological center. for validating retrieval results, both ground based observation and total ozone mapping spectrometers ( toms ) ozone measurements are used and atovs retrieval results are corrected after the validation
本文利用美國noaa衛星上的先進的大氣垂直探測器業務系統( atovs )儀器和地球觀測系統衛星( eos )上的中解析度成像光譜儀( modis )上的9 . 6 m臭氧探測通道的輻射測值,在國家衛星氣象中心業務反演軟體系統基礎上,反演出了兩種儀器探測的大氣臭氧總量,並且利用中國五個常規臭氧觀測站的資料和美國研製的臭氧總量測繪光譜儀( toms )反演的臭氧資料對兩種反演結果進行驗證分析,對atovs反演結果進行了訂正。Test method for calibration of heat transfer rate calorimeters using a narrow - angle blackbody radiation facility
用窄角黑體輻射設備校準傳熱速度量熱器的方法Radiation protection instrumentation - installed, portable or transportable assemblies - measurement of air kerma direction and air kerma rate
輻射防護儀器儀表.已安裝的便攜式或可運輸的組件.氣體比勢動能范圍和氣體比勢動能率的測量In this thesis, we discussed the basic theory and the status about this technology, set up a flame temperature measurement system with colorimetric method, calibrated the system with the black - body oven and applied this system to a real oven. on this basis, we analyzed the problems founded in those processes and presented some measures to improve the precision
本文針對目前這類系統研製中存在的測溫精度不高、被測高溫輻射體物面確定困難等問題,對基於ccd傳感器的測溫系統進行了理論分析、系統設計和設備研製,並進行了大量實驗。Verification scheme of measuring instrument for common temperature blackbodies
常溫黑體輻射計量器具檢定系統When in usage or storage, the instrument should be kept from moisture, vigorous shaking and chemcal corrosion. collision to the radiant is not allowed
本儀器使用與存放時要防止強烈振動及受潮,防止化學品的腐蝕,不要撞擊輻射體。The body is designed with ventilation channel, which make the temperature rise caused by sun radiation to be reduced to the min. extent, the body is equipped with temperature control forced ventilation equipment and automatic control equipment, which can protect the electricity indicator and lighting system
箱體採用了良好的隔熱通風結構,外觀美觀大方,隔熱性能良好,且箱體設有上下通風的風道,戶外太陽輻射對變壓器室及高低壓室造成的溫升可減小到最低限度。Radiation protection instrumentation - portable equipment for measuring specific activity of beta - emitting radionuclides in foodstuffs
輻射防護儀器.測量食品中輻射放射性核素具體放射性用便攜式設備分享友人