逆輻射 的英文怎麼說
中文拼音 [nìfúshè]
逆輻射
英文
back radiation-
Since there exists ill - posedness in reconstructing velocity on the surface and reconstructing pressures in the field, this paper attempts to introduce an iterative regularization method to resolve such inverse problems
由輻射聲壓重構結構表面振動速度和聲場聲壓存在解的離散病態問題，試圖利用一種迭代正則化方法來解決此類逆問題。Computing radiative intensity components by using the backward monte carlo method
用逆向蒙特卡羅法計算光的輻射強度組分From mathematical models for inverse scattering in two dimensional inho - mogenous media including variable impedance, all kinds of probable mixed variable impedance boundaries and cracks, from interior and exterior trans - mission problems and radiation condition, ill - posed integral equation and indicator function method are formulated for the diverse of boundary iden - tification. it is shown that the kernel of the integral equation characters the boundary of scatterer, which is determined by solving it by virtual of regularity method, meanwhile, some numerical tests are given. 3
在二維非均勻介質逆散射邊界識別的數學模型（包括一般的非均勻介質，正交各向異性介質，變阻抗介質，各種可能的混合變阻抗邊界問題）下，由內透射問題和外透射問題以及輻射條件，推導了上述介質的邊界識別的積分方程和指示函數方法，由於積分方程的核充分表徵了散射物的邊界，由此說明只要利用正則化方法求解該積分方程，就可以確定散射物的邊界。In many fields, such as remote sensing, nuclear medical, computer tomography, geophysical prospecting, groundwater hydrology, global ocean modeling, image processing, tumor detection, nondestructive detection, the objective of applied sciences and engineering is the recovery of the original signal given a collection of noisy observations of the original signal ; we call these problems inverse problem
在遙感技術、核醫療技術、計算機斷層掃描（ ct ）技術、地質勘探、地下水文學、電磁輻射、圖像恢復和重構、腫瘤檢測、非破壞性檢測等科學研究和工程實踐中，經常需要根據一組觀測到的數據來估計目標的真實信號，而觀測到的數據往往是真實信號經模糊、失真和加噪等過程后所得的輸出信號，通常稱這類問題為逆問題。For example, heating of the air could be a duct mounted hot water coil, duct mounted electric elements, duct mounted gas fired burner, reverse cycle air conditioning unit, room mounted panel radiator etc
例如，空氣加熱的方式有：通過熱水盤管風管送風，電加熱風管送風，燃油鍋爐取暖風管送風，製冷逆循環機組制熱，地板輻射採暖，等等。Some variables regional distribution over south ningxia is given out in the course of evapotranspiration estimation : the regional distribution of surface characteristic parameters ( normalzed difference vegetation index, surface albedo, surface temperature ), radiation balance components ( surface absorbed shortwave radiation, surface longwave radiation, atmospheric counter radiation, net radiation ), surface heat and balance components ( soil heat flux, sensible heat flux, latent heat flux )
估算區域蒸發（散）量的過程中，得到許多有意義的量：地表特徵參數（植被指數ndvi 、地表反射率、地表溫度） ；地表輻射平衡各量（地表短波吸收輻射、地表長波輻射、大氣逆輻射、地表凈輻射） ；地表熱量平衡各量（土壤熱通量、顯熱通量、潛熱通量） 。Compared with tranditional materials, electromagnetic waves transmitted in such material will behave some fantastic phenomena, such as negative snell refraction, reversed dollper effect, reversed cerenkov radition, and so on
電磁波在這種介質中傳播時將顯現與通常介質不同的各種逆向或反向效應，如負折射效應、逆多普勒效應、逆切侖科夫輻射等等。The frequency upshifting and differential cross section of the laser synchrotron source ( lss ) are studied based on the thomson backscattering of intense laser radiation from a counterstreaming relativistic electron
摘要研究了逆流相對論電子與激光脈沖相互作用獲得激光同步輻射的頻率上移、微分散射截面等特性。The more details about author ' s work are as follows : 1 ) the mathematical models of solar array wind turbine, diesel, battery, converter and inverter are presented based on quasi - steady state theory. by using the models, the power flow may be determined corresponding to solar radiation and wind velocity data so that the long - term performances of wsdbhps can be predicted
具體說來本文的工作及創新點如下： 1 ）建立了光伏陣列、風力發電機組、蓄電池、柴油機和逆變器的穩態數學模型，利用該模型可以計算出對應實時的太陽輻射強度和風速下系統的實時能量分佈，為預測系統功率流以及長期穩態性能打下基礎。分享友人