輻射通量計 的英文怎麼說
中文拼音 [fúshètōngliángjì]
輻射通量計
英文
radiation fluxmeter- 輻 : 名詞(車輪中車轂和輪圈的連接物) spoke
- 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) ...
- 通 : 通量詞(用於動作)
- 量 : 量動1. (度量) measure 2. (估量) estimate; size up
- 計 : Ⅰ動詞1 (計算) count; compute; calculate; number 2 (設想; 打算) plan; plot Ⅱ名詞1 (測量或計算...
- 輻射 : radiation; exposure; radio; beaming
- 通量 : [物理學] flux; shower
-
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By using the multi - configuration dirac - fock ( mcdf ) method, the effects of relaxation and correlation on the transition energies and probabilities of electric - dipole allowed ( el ) resonance and intercombination transitions for 2p53s3 - 2p6 in neutral neon have been systematically studied firstly. and the results of the transition energies and probabilities ( lifetimes ) in length and velocity gauge have been presented. during the calculation, in order to consider the rearrangement effects of the bound - state density and some important correlations, the asfs of transition initial - and final - states were divided according to their angular - momentum and parity and calculated, and different number of csfs were included in the expansion of asfs
本文利用多組態dirac - fork ( mcdf )理論方法,通過對輻射躍遷初、末態電子波函數的獨立計算以及在原子態波函數的展開中考慮不同數量的組態波函數,系統地研究了弛豫和相關效應對中性ne原子2p ~ 53s ~ ( 1 . 3 ) p _ 1 ~ o - 2p ~ 6 ~ 1s _ 0電偶極共振和復合躍遷的能量以及躍遷幾率的影響,給出了長度和速度兩種不同規范下激發態的能量和輻射壽命;以中性ne原子的研究為基礎,進一步研究了類ne等電子系列離子( z = 11 - 18 )較低的激發組態2p ~ 53s和基組態2p ~ 6的能級結構以及各能級間的輻射躍遷特性。At last, the radiation transmit process in smokescreen is discussed, and the transmitted radiation energy distribution is obtained from extinction characters of particles. the relationship between transmittance and smokescreen concentration is experimental studied, the experiment results agrees with calculated results. we also discuss the application limit and error of lambert - beer law in smokescreen studies
本文最後討論了輻射在隨機分佈微粒形成煙幕中的傳輸過程,根據煙幕微粒的消光特性計算出輻射通過煙幕後的能量分佈情況,討論了在煙幕研究中應用lambert ? beer定律的誤差問題,並對透過率隨煙幕濃度的變化情況進行了實驗研究,結果表明,理論計算結果能夠與實驗數據較好吻合。After thermodynamic calculation on several operation conditions of the furnace, cold - state flow and resistance mensuration, the combustion of the tubular - furnace hearth was changed into swirl and addition of radiate cylinder and oxygen content detection minish 1. 25 surplus air to less than 1. 15, improving the combustion condition and convection and radiate heat transfer efficacy, resuling in reducing the waste - gas temperature 45, decreasing exhaust gas loss, and saving fuel by 6 %
摘要通過對加熱爐幾種工況進行熱力計算、冷態試驗的流場分佈及阻力測定和熱態試驗的爐膛溫度場分佈及管壁溫度等參數的測定,確定將管式加熱爐爐膛內直流燃燒改為旋流場燃燒和增加輻射筒,增設煙氣含氧量分析,可以將燃燒的過剩空氣系數從1 . 35減小到1 . 15以下,極好地改善爐膛內的燃燒狀況和對流輻射傳熱效果,從而降低排煙溫度45 ,減少加熱爐排煙損失,節約了煤氣量6 %以上。Global warming potentials take into account the differing atmospheric lifetimes and abilities of various gases to absorb radiation. derivations of gwps requires knowledge of the fate of the emitted gas ( typically not well understood ) and the radiative forcing due to the amount remaining in the atmosphere ( reasonably well understood )
在計算『全球變暖潛能』的時候,是需要明了各溫室氣體在大氣層中的演變情況(通常不太了解)和它們在大氣層的餘量所產生的輻射力(比較清楚知道) 。因此, 『全球變暖潛能』含有一些不確定因素,以co( 2 ) based on gaining the surface parameters, to compare to diversified retrieve model to choose optimal one to retrieve net radiance flux, soil heat flux and latent heat flux, which settle the groundwork to calculate the regional et
在獲取地表參數的基礎上,反復對比前人各種遙感反演模型,選擇最佳模型對長江三角洲的區域凈輻射通量、土壤熱通量、潛熱通量進行了反演,為計算區域蒸散量奠定了基礎。Abstract : in the field of optical wireless links, concentrators that are designed by the tools of nonimaging optics can be used to collect the light radiation and are more compact and have higher collection efficiencies than imaging concentrators. hemispherical concentrators are studied by ray tracing, then for several normal nonimaging concentrators : hemispherical concentrators, compound parabolic concentrators ( cpc ), dielectric totally internally reflecting concentrators ( dtirc ), simultaneous multiple surfaces concentrators ( sms ) and inhomogeneous media concentrators ( poisson bracket ), the design methods and the performances e. g. the gain and the field of view ( fov ) are compared as well as the application suggestion
文摘:在無線光通信領域,利用非成像光學設計的集中器能夠聚集光輻射能量,而且相對于成像性集中器具有更緊湊的結構和更高的增益.利用光線追跡法對半球形集中器的性質進行了分析與研究.對好幾種非成像集中器:半球形集中器,復合拋物線形集中器,介質內部全反射集中器,多表面集中器,多相介質集中器,從設計原理、增益和視場進行比較,並分析其應用場合The amount of solar radiation in different period is figured out through the climatologic method of radiation
通過輻射的氣候學方法計算最終得到各時段達到地面的太陽輻射量。The ship radiated noise is analyzed and its 4 features are extracted from the envelop spectrum. the envelope of ship noise waveform can be demodulated utilizing hilbert transform, and the spectrum components with line rotation frequency of propeller shaft are extracted effectively by bispectrum, 1 ( 1 / 2 ) spectrum and 2 ( 1 / 2 ) spectrum analysis
對于通過希爾伯特變換解出的艦船輻射噪聲包絡信號進行高階統計量分析,有效地提取出了艦船噪聲的雙譜、 11 / 2維譜、 21 / 2維譜等方面的特徵。In this dissertation, the numerical computation for the acoustic radiation problem ( arp ) is studied deeply and systematically in the theory, method and the application technique, based on analyzing the situation of the home and abroad on the numerical computation for the acoustic radiation problem. the calculation formulas of the boundary element method ( bem ) for the exterior acoustic radiation problem in the full - space and half - space are deduced, based on the wave propagation theorem ; the arising of the non - unique solutions, which is associated with the application of the boundary integral equation ( bie ) in acoustic radiation problem, is analyzed and proofed ; the improved combined helmholtz integral equation formulation ( ichief ) is presented to overcome the non - uniqueness problem more effectively and reliably ; the determination of the singular integral coefficients on various occasions is analyzed ; the properties and treatments of the singular integrals with different orders axe studied ; the computation program of the cubic spline ichief is developed and its ability to overcome the non - uniqueness problem and feasibility to discrete the surface coarsely with the sufficient calculation precision are examined through examples
第二章在聲波動理論基礎上,詳細地推導出對應于無限域和半無限域的外部振動聲輻射問題的邊界積分方程計算公式;根據fredholm積分理論,對利用邊界積分方程計算振動聲輻射問題過程中解的非唯一性的產生進行了分析和證明;改進了chief法以提高其克服解的非唯一性的有效性和可靠性;對不同條件下奇性系數的計算、強奇性積分的收斂性及其在變量替換時與普通積分的差異性、不同階奇性積分的計算、數值求積分等進行了研究;開發了三次樣條改進chief法計算軟體,並通過算例考核了該方法在特徵波數處克服解的非唯一性的有效性和在保證計算精度的前提下實現剖分粗化以提高計算效率的可行性。In short, through retrieving the parameter such as surface albedo, surface temperature and surface emissivity, all the energy flux such as net radiance flux, soil heat flux and latent heat flux can be computed in sequence further, then latent heat flux which provide energy for et can be computed based on energy balance equation, finally instantaneous et and daily et can be obtained
總之,根據地表能量平衡方程,通過計算對地表反照率、地表溫度、地表比輻射系數、歸一化植被指數等參數進行反演,進一步計算出了地表凈輻射通量,土壤熱通量和潛熱通量,最後獲得了遙感影像成像時的瞬時蒸散及當天的總蒸散量。Based on setting up the fire safety goals, performance criterion, fire scenario and uncertainty factor, this article simulated the occupants ’ evacuation time, smoke spread, radiation flow etc and determined fire detector and automatic extinguishing device by using the developed engineering method. and so these buildings ’ fire safety goals, which have the equivalent safety level with the existing national standard, can be achieved and those problems, which caused by some incompliment requirements or the existing codes not adapting to the practical need, can be solved
針對這類建築存在的典型問題,通過設定消防安全目標、確定性能判據、建立火災場景,考慮不確定因素,運用已開發的工程學方法對人員安全疏散時間、煙氣蔓延、輻射熱通量等進行模擬計算,對火災探測和自動滅火設施進行分析選擇,認為大型書城建築採用至少與現行國家標準的規定等效的方法來實現建築物的消防安全目標,能夠解決現行標準與實際需要不相適應或某些不完善的規定所帶來的問題。The relative difference could larger than 10 % and the grid infrared radiation flux value calculated by present models would possibly have the same error correspondingly
在各向同性的假設下,模式中網格區的區域長波輻射通量計算有相應量級大小的誤差。Furthermore, the fiber phase - conjugator has been used in ld - pumped solid - state laser system with four - pass configuration to suppress the self - oscillating ( so ) phenomena caused by amplified spontaneous emitting ( ase ) in laser amplifier. when using 200 m fiber, the energy of so has been successfully decreased from 12mj to below the precision of energy - detector
將光纖相位共軛鏡應用於四通放大結構中,有效抑制了放大級中的放大自發輻射引起的自激振蕩現象,使得自激振蕩輸出能量從12mj降低到能量計最小精度以下。It is found in this paper that : 1. the radiation computing solution developed by zhou suoquan et al. shows good performance on the fluxes simulation of the total surface radiation and net surface radiation, which can reflect the annual and daily radiation change very well, and radiation differences between clear day and cloudy day as well
結果表明: 1 )該輻射計算方案對于漠河總輻射通量和凈輻射通量有較好的模擬性能,能夠較好地模擬出輻射通量的年變化和日變化的特點,對于晴天和雲雨天氣輻射通量的差別也能較好地模擬出來。Anti - infrared extinction coefficient is a key parameter to assess the obscuring performance of smoke - screen, a method to calculate the viriation of radiant energy and obtain the extinction coefficient based on the temperature tested by a thermal imager has been proved, the practical situation and notice in test also has been illustrated
摘要紅外消光系數是衡量煙幕對紅外遮蔽能力的關鍵參數,文中提出利用熱像儀測得的溫度數據,通過計算得到紅外輻射能量變化及消光系數的方法,介紹應用情況及測試中應注意的問題。Through the analysis on the effects from the different aspects in the equal elevation grids upon the solar shortwave radiation received by ground surface, it is indicated that the discrepancy of landform elements leads to redistribution of the heat and cold sources of the ground surface and affects the snowmelt runoff, and then the aspect estimation is also taken as an important input to be inset into the model calculation
通過分析同一高程網格坡向不同及其對到達地面太陽短波輻射通量的影響,提出地形要素差異導致地面冷熱源再分佈,調控融雪出流量,繼而將坡向判斷也作為系統重要輸入項之一嵌入到模型計算中。But if there is a topographic heterogeneity, the maximum relative difference of surface grid effective infrared radiation is about 30 % ~ 40 %. the magnitude of deviation is mainly determined by grid average elevation
而當考慮海拔高度的非均勻性時,有效輻射通量計算的相對誤差可達30 40 ,取決于平均高度和變差系數大小。In this paper, firstly, three - dimensional geometrical models of the target and ir flares are established and by using the software vega missile attacking process is real - time simulated visually. secondly, the ir radiation characteristic of the target, background and the ir flares are analyzed, in which the wave radiation of the sun at different time, wind speed, the relative humidity and ir radiation attenuation characteristic of the atmosphere is under consideration. from above the ir image of the target, ir flare and the background are got and then are normalized to gray color image that will be showed in a child window in real time
本文通過三維建模工具creator建立目標、背景和干擾的三維模型,再通過視景模擬軟體vega生成載機、導彈和目標飛機的可見光場景圖像,實時地對導彈攻擊工程進行可視化模擬;並分析了目標、背景和干擾的紅外輻射特性,計算出傳感器路徑上大氣衰減等等,將經過衰減的目標、背景和干擾的輻射強度量化為灰度圖,以子窗口形式實時顯示;進一步可以使目標和干擾按照各自的運動軌跡運動,便可產生動態的紅外熱圖像序列。Through the comparison of analysis results in seismic response of construction structures, spring - damper boundary is better than viscous one in improving the computational precise and avoiding the disadvantages of fixed boundary which can not radiate energy
通過建築結構地震反應分析結果的比較,彈簧?阻尼器邊界比粘性邊界更好,提高了計算精度,並且克服了固定邊界無法輻射能量的缺點。分享友人