輻射角 的英文怎麼說
中文拼音 [fúshèjiǎo]
輻射角
英文
angle of radiation-
Angular correlation of annihilation radiation
消除輻射的角相關性Since complicated differential and integral operations were involved in the kernel of the integral equation, we simplified the equation and got the nakano equation. as instances, the planar archimedean spiral antenna, the planar equiangular spiral antenna, the monofilar helical antenna, the conical helical antenna with fixed ascending angle and the conical equiangular - spiral antenna were analyzed through the moment method. all of the results matched fairly well with the references and experiment results
這種方法的積分方程的積分核里含有復雜的微積分運算,為了簡化計算,本文在推廣的海倫積分方程的基礎上,對方程進行了簡化,推導了nakano方程,並以平面阿基米德螺旋天線,平面等角螺旋天線,軸向模圓柱螺旋天線,具有固定升角的圓錐螺旋天線和圓錐等角螺旋天線為例,用矩量法求解了天線上的電流分佈,研究了螺旋天線輻射的寬頻帶特性,所得的結果均與參考文獻吻合很好。The major work is as follows : solution of two dimensional radiation or diffraction fluid field. this thesis extends multipole expansion method to adapt to disturbed fluid fields of 2d floating bodies with asymmetric forms, which is applied with symmetric forms originally. and given the solution of potential velocity and hydrodynamic pressure of radiation and diffraction fluid fields, which is incited by a 2d arbitrary form, actual application field of the multipole expansion method has been enlarged
關於二維擾動流場的求解:將通常僅適宜求解具有對稱形狀二維物體擾動流場的多極展開法(保角變換方法)擴展至非對稱形狀二維物體,給出了任意形狀二維物體的輻射和繞射流場的速度勢及水動壓力的頻域解,進一步擴大了多極展開法的實際應用范圍。The ratio of the flux emitted within the solid angle defined by the beam spread, to the bare lamp flux
由光束角限定的立體角內輻射出的光通量與裸光源光通量之比。The equation of the radiation transfer between two surfaces indicates that there are three factors that have influence on radiation transfer : brdf, projected solid angle ( psa ), and incident radiation flux. thereafter, a new baffle system design idea is put forward
本文首先介紹了光學系統雜光的抑制措施,從光輻射在兩個表面傳遞的基本能量傳輸方程出發,指出影響輻射能量傳輸的三個因子:雙向反射分佈系數brdf 、投影立體角psa和入射輻射通量。To the influence of the plateau terrain, the impact of the elevation and the roughness of terrain to every energy component out and incoming are study, and basing the soil spectrum model proposed above, a new radiative transfer model of terrain area was put forwarded in which the soil water content, lai, terrain roughness and elevation were considered synchronously, and incoming scatter light was integral with the solid angle of semi - globe space defined by the slope of the pixel, so scattering lights of terrain and the sky are properly considered, but the operation is still within the acceptable range
地形與反射率的關系是本文研究的一個重點。本文對崎嶇山地象元的各入射光和反(散)射光分量進行了深入分析,在所提出的濕潤土壤光譜模型和植被冠層模型的基礎之上進一步提出了新的適合青藏高原的山地輻射傳輸模型。該模型同時考慮了土壤含水量、植被覆蓋( lai ) 、地形起伏和海拔高度的影響,並以象元坡面定義的半球空間立體角對環境入射光進行積分,使周圍地形和天空散射光均得到適當考慮,計算量又在可接受范圍內。Mechanical templet triangulation
機械模片輻射三角測量Based on our country ’ s active defense strategy, this paper is designed to carry out a thorough and effective study on anti - arm technologies. detailed contents are shown as follows
本文就是在我國積極防禦的戰略指導思想的背景下,從保存自己的角度出發,針對抗擊反輻射導彈技術進行的深入研究,本文主要內容分為以下兩大部分。Regional theory directs space locating of daily urban system periphery in daily urban system or broader region range. centre - periphery theory require the development of daily urban system periphery think over radiant function of daily urban system center, and try to make trickling - down effect have more power than backwash effect. competitive edge theory and innovation theory explain that daily urban system periphery plays an important role in daily urban system in chongqing municipality and supports a selected measure of accelerating development in beibei district
區位理論指導著都市圈外圍區在都市圈及更大區域范圍中的空間定位;核心一邊緣理論則要求,都市圈外圍區的發展應充分考慮都市圈核心區的輻射作用,並積極實現「涓滴效應」強于「回波效應」 ;競爭優勢理論和創新理論則認為,都市圈外圍區在重慶都市圈中將會扮演重要角色,也支撐著北暗區實現加速發展的途徑選擇。Backed up by the soplat theory based on particle kinematics, the second chapter of this paper presents with analysis and simulation of several single observer passive measurement models, which uses such relative movement parameters as bearings changing rates and centrifugal acceleration information on the basis of bearings measurements. in the third chapter, the observability of location respectively using bearings and its changing rates information and centrifugal acceleration information is analyzed, and its observable condition is got. the fourth chapter puts forward the modified covariance extended kalman filtering ( mvekf ) against the defect of traditional extended kalman filtering ( ekf ), whose performance is simultaneously compared in the chapter with the performance of ususal tracking algorithm such as ekf, mgekf, iekf by computer simulation
在近年來提出的基於質點運動學原理的單站無源定位理論基礎上,本文第二章提出了幾種在角度測量的基礎上增加角度變化率及相對運動的離心加速度等運動學參數的單站無源測量模型,並對它們進行了分析和模擬;第三章分別對利用角度及其變化率信息定位和利用離心加速度信息定位的可觀測性進行分析並得到了相應的可觀測條件;第四章針對傳統擴展卡爾曼( ekf )方法的缺點,提出了一種修正協方差的擴展卡爾曼濾波( mvefk )方法,並將其和ekf 、 mgekf 、 iekf等常用的單站無源定位濾波方法進行了性能模擬比較;第五章通過引入雷達機動目標跟蹤方法和模型,提出了利用角度及其變化率對機動輻射源跟蹤的多級噪聲自適應方法和imm方法;第六章主要對角度變化率和離心加速度參數的獲取技術進行了研究,提出了幾種高精度測量脈沖序列多普勒頻率變化率的方法。Testing method of divergence angle of laser radiation
激光輻射發散角測試方法About 80s after fertilization, the angle of sub - elasticity envelope expands. 110s, sub - elasticity envelope in zona radiatal becomes parallel with plasma membrane, later, the same phenomenon happen in zona radiata2 and zona radiata3, which result in the fertilization envelopes ( egg envelopes ) outspreading ; 140min after fertilization, the fertilization envelopes come into being
受精80s ,彈性亞膜彎曲的角度增加, 110s ,第一層輻射帶的彈性亞膜拉直, 240s ,第一層和部分第二層輻射帶彈性亞膜傾斜,第三層輻射帶彈性亞膜拉直,受精膜(卵膜)開始外舉, 140min受精膜完全舉起。We calculate a model with angular momentum loss caused by gravitational radiation, and find that the binary undergo cyclic evolution as well. however, the period of the cycle becomes shorter, and the ratio of the time spent in the semi - detached phase to the time spent in the contact phase in a cycle becomes smaller
我們計算了由引力波輻射引起雙星系統的角動量損失的演化模型,發現雙星系統還是經歷循環演化,不過循環的周期變短,且雙星系統的每一個循環處在半接狀態的時間與處在相接狀態的時間之比變小。In this paper, the method of small parameter is used to calculate the multipolar expansion of gravitational radiation in classical situation, and the general expression on multipolar gravitational radiation is obtained. then the angle distribution characters in an arbitrary direction are given. this expansion method can avoid the higher order tensors when dealing with the gravitational radiation higher than quadrupole
本文採用小參數法作為經典引力輻射的研究方法對引力輻射作多極展開,得到各極引力輻射的一般表達式,並給出了沿任一方向引力輻射的角分佈的嚴格證明,這種展開法在處理四極以上的高階引力輻射時卻可以不涉及更高階的張量計算。After solution of radiational and diffractional fluid field of asymmetrical sections by applying the multipole expansion method, wave loads on damaged ships are calculated by the linear strip theory under the non - upright floating condition, taking the effect on the heel angle and trimming angle caused by the damaged tank inundation below waterline into account
然後採用線性切片理論,計及水線以下破損后船舶由於艙室進水產生的橫傾角與縱傾角的影響,利用多級展開法求解非對稱剖面的二維輻射和繞射流場,計算了破損船體非正浮狀態條件下的波浪載荷。This text draws the basic principle of infrared diagnoses based on the primary knowledge of infrared radiation, and analyse the imaging principle of infrared devices ; from the view of infrared diagnostic technology we discuss the fault models and the principium of infrared diagnosis on electrical equipments ; then this paper research the diagnosis of electrical equipments fault by using infrared devices, obtain the hot picture atlas of equipment fault and analysis the hot picture atlas ; the text analyse the various kinds of possible factor which might effect the results of infrared diagnosing in electrical equipments, and propose correspondingly countermeasure against these factor in order to improve the accuracy of measurement ; finally, by using infrared diagnosing techniques analyse and diagnose the interior or exterior fault in part of transformers and arresters in electric network of si chuan, and the results obtained from the text accord with practice
本文在紅外輻射的基礎知識上引出紅外診斷的基本原理,分析了紅外成像儀的成像原理;並從紅外診斷的角度研究了電氣設備的故障模式及其診斷的機理;研究了利用紅外熱像儀對電氣設備的故障進行診斷,獲取設備故障熱像圖譜並進行熱像圖譜的分析;對影響電氣設備紅外技術診斷結果的各種可能因素進行了分析探討,並針對這些干擾因數,提出了相應的對策,以提高檢測的準確性;論文最後應用紅外熱成像技術對四川電網中的部分變壓器和避雷器典型的內外部故障進行了診斷分析,得到與實際相符的結果。( 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。Prior to being able to use an image in a landuse classification exercise one must first make fundamental corrections to the image data. the level of corrections differs for each satellite sensor but will generally involve sensor calibration for radiometric correction ( sun angles, earth - sun distances and atmospheric scattering effects ), geometric corrections and geo - referencing to a known coordinate system
在將圖像用於土地利用分類處理之前,必須首先對圖像資料進行基本修正。對于不同的衛星感測器需採用不同的修正參數和方法,但一般涉及感測器校正,包括輻射校正(太陽角度角、地球與太陽的距離和大氣層的散射效應) 、幾何校正以及設制地理座標。Firstly, the paper introduces briefly the detecting principle of microwave radiometer and the scheme of lunar microwave radiometer. based on propagation matrix, an algorithm to get reflectivity of layered medium is brought in. by means of the method, the reflectivity expression of two - layer medium is obtained
本文首先簡要介紹了微波輻射計的探測原理及月球探測衛星微波輻射計的設計方案,還介紹了利用傳播矩陣計算分層媒質的反射率的方法,並給出雙層媒質的反射率表達式,分析了雙層媒質的反射率隨觀測角、頻率和第一層厚度的變化關系。This paper, based on the theory of marketing and the theory of enterprise strategy, aiming at the characteristics of guangdong provincial market of passengers transportation, systematically analyzes the opportunities and threatens, superiorities and weaknesses that guangzhou rail ( group ) co. will face in guangdong districts during its management and distribution of passenger market, and classifies and settles the position of objective market of guangzhou passengers transportation by rail, and further suggests the strategy of management and distribution of market of guangzhou passengers transportation by rail, including strategies of production, of price, of distribution and of promotion and etc. at the ending part of this paper, the writer summarizes the strategy that guangzhou rail passengers transportation should take in guangdong province
以此為基礎,對廣東客運市場進行了市場細分,明確了廣鐵集團客運的目標市場是: ( 1 )充分發揮中長距離優勢,進一步開拓、鞏固和完善中長途客運主體市場,以運距800公里? ? 1500公里的夕發朝至、朝發夕至列車為客運名牌產品,鞏固直通客流市場,並努力開發高檔次的客運精品市場; ( 2 )以珠江三角洲主要城市向外輻射300公里左右的短途客運市場為重點,以快速城際列車和「公交化」列車為「拳頭」產品,吸引短途客流; ( 3 )適應人們對度假休閑需求日益增加的需要,大力開發旅遊列車、假日列車等新興的特色客運產品。分享友人