散射因素 的英文怎麼說

中文拼音 [sǎnshèyīn]
散射因素 英文
scattering factor
  • : 散動詞1. (由聚集而分離) break up; disperse 2. (散布) distribute; disseminate; give out 3. (排除) dispel; let out
  • : 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) ...
  • : Ⅰ動詞[書面語] (沿襲) follow; carry on Ⅱ介詞1 [書面語] (憑借; 根據) on the basis of; in accord...
  • : Ⅰ形容詞1 (本色; 白色) white 2 (顏色單純) plain; simple; quiet 3 (本來的; 原有的) native Ⅱ名...
  • 散射 : [物理學] [電學] scattering; radio scattering; scatter; dispersion
  1. To utilize hydraulic soil evaporimeter and supporting meteorology, radiation, the materials on the surface water evaporation, considering the influence of each factor of " soil - plant - atmosphere " system on soil evaporation, we set up calculating model of the soil evaporation which is suitable for the heilonggang region

    利用水力式土壤蒸發器及其配套的氣象、輻、水面蒸發儀器觀測資料,綜合考慮「土壤植物大氣」系統中的各個對土壤蒸的影響,建立了適于黑龍港流域的土壤蒸量計算模型。
  2. But it is not the same with surd or the alternation of sonant and surd. on the base of the acoustics, a whole linear time - varying discrete speech produce model is established through anatomising the factors including track, driving source and lip eradiation the mechanism of speech in this paper, and we draw a conclusion that the time between glottal closure is pitch period

    本文從聲學理論出發,剖析了語音產生的機理,綜合考慮聲道、激勵源和嘴唇輻三方面的,建立了一個完整的、線性的和時變的語音產生的離系統模型,得出兩次聲門閉合事件之間的時間間隔就是基音周期的結論。
  3. Nonideal focusing caused by some mechanical factors will affect measuring accuracy of a laser granulometer and thus a corresponding mathematical model for scattering light intensity is established

    摘要機械產生的非理想聚焦對激光粒度測量精度會產生影響,對此建立了相應的光強數學模型。
  4. Based on the original data of tm in 1988, 1992 and 1998, then after some processing and analysis, the author have the thematic data of land - use by interpretation. on the basis of them, the author made the analysis of land - use for this area based on the spacial analysis of gis and the method of comparison between result of land - use classification as follows : the method of aggregating analysis, the analysis of urbanization, the analysis of the transformation rate of cultivated land, the analysis of the driving force of land - use change and the sustainable use of land. the conclusions may be demonstrated below : the cultivated land decreases with the patchs fragment ; road spreads radialy surround second - ring road ; the urban land expands quickly toward southwest along the major roads and be concentrative. rural land and industry increse rapidly with dispersing ; 0thers change slowly. the major driving forces of land - use change in this area are the rapid expansion of urban and rapid growth of population, foreign investment and the development of tertiary industry which was based upon the real estate. according the trendency of land - use change, the author consider that we must insist on the way of the sustainable use of land based on protecting the cultivated land

    在此基礎上,應用分類結果比較法,在gis各種空間分析功能(幾何量算、統計分析、疊加分析及緩沖區分析)的支持下,對該區土地利用變化進行了如下分析:土地利用綜合分析、城市化進程分析、耕地轉化率分析、土地利用變化分析及土地的可持續利用分析。結果表明:該區土地利用變化主要表現為耕地大量減少,斑塊破碎化;交通用地沿二環線呈放狀向四周擴展;城鎮用地沿交通干線向西南方向擴張迅速,用地趨于集中;農村居民點和工礦業用地增加,用地趨于分;其它用地變化較慢。這一用地變化的主導是城鎮用地擴展快、人口增長迅速、外資的大量投入及以房地產為主的第三產業的快速發展。
  5. In the research realm of the target identify, an important topic is to minish the laser radar cross section of the space target for target stealth. the laser radar probes a target is based on the target under the laser, the space and time distribute characteristic of the strength ? polarization and phasic of the laser scattering etc. to identify a target

    在目標識別研究領域有一個重要的課題是減小空間目標的激光雷達截面便於目標隱身。激光雷達探測目標是根據目標在激光照下,激光的強度、偏振和相位等的空間和時間分佈特徵來識別目標,目標表面粗糙度是影響目標激光特性的重要影響
  6. In the third chapter, it was particularly analyzed the impact of the correlation between antenna arrays both sides of transmit and receive, the coexistence of line of sight ( los ) component and scatter power component in the radio propagation environments, and known and unknown channel state information on the capacity of mimo channel. the related simulation results are also given

    第三章著重分析了收發兩端的多天線單元之間存在相關性、同時存在直分量( los )和分量的傳播環境、已知和未知通道的狀態信息等對mimo通道容量的影響,給出了有關模擬結果。
  7. The intensity of light back scattered from bubbles is related to the type of detector, the distance and the density of bubbles

    水中氣泡後向光強度與探測器類型、氣泡距離以及氣泡密度等有密切關系。
  8. On the basis of theory analysis, the average transmitted light intensity ( correspond to dc value ) was determined as characteristic parameter of raw water using photoelectric method for monitoring the fluctuation of transmitted light and photometric dispersion analyzer ( pda ). the dc value was closely related to both particle concentration and surface area of sand clay simultaneously. the experimental results shows that there is an exponential function relation between dc and surface area of sand clay in unit volume water ( sp ) : dc = asbp in which a and b are empirical coefficients. then the formula of macromolecule flocculant dosage is found to be d = f ( dc ) = e ( dc ) f in which e and / are empirical coefficients and the average correlation coefficient equal to 0. 981. so the model of automatical control system of water treatment plant was established using the formula

    應用透光率脈動檢測技術和光顆粒粒度分析儀( pda ) ,通過理論分析,將pda的輸出信號之一? ?平均透光強度(對應于dc值)作為原水的特性表徵參數, dc值可以同時反映顆粒濃度和比表面積的影響,試驗結果證明, dc值與單位體積水中泥沙顆粒總表面積s _ p之間具有很好的冪函數關系: dc = cs _ p ~ d ,式中c 、 d為經驗系數,進而得到了以dc值為參數的高分子絮凝劑投藥量公式: d = f ( dc ) = e ( dc ) ~ f ,式中: e 、 f為經驗系數,平均相關系數達0 . 981 ,利用所建立的公式,建立了前饋? ?后饋聯合控制的在線自動投藥模型。
  9. In this paper, the target radiate characteristics and waveband selection of the infrared system reviewed briefly ; the suppression of the stray radiation in the infrared sub - system is discussed ; the material selection, the support structure and optimization of the primary mirror in the infrared sub - system of the theodolite, every factor which will affect the surface figure of the mirror is discussed in detail and get the result that in the circumstance of shooting range, the primary factor which affects the surface figure of the mirror in the infrared sub - system is temperature changing, this ca n be resolved by using material of low expansion coefficient and using same material in the mirror and the mirror seat

    本文將對紅外系統的目標輻特徵分析和波段選擇進行簡要回顧,討論紅外系統中雜的抑制,並詳盡分析經緯儀紅外光學系統設計中所涉及到的反鏡的材料、支撐、結構和優化設計等問題,認真討論和分析影響主鏡的面形精度的各種可能。並指出:在靶場環境下影響經緯儀紅外分系統主鏡面形精度的主要原是溫度的變化,這種情況可通過選擇低線膨脹系數的材料並且使鏡座和反鏡採用相同的材料予以解決。
  10. Since non - uniform electronic emission, poor recovery after ion bombardment and too expensive of sc2o3, scandate cathode has not been vastly used

    但含鈧擴陰極存在發均勻性不好、抗離子轟擊性差以及價格昂貴等的制約而沒有獲得廣泛的應用。
  11. This dissertation makes detailed research on the characteristics of high resolution range profiles ( hrrps ). according to the scattering center model theory, the aspect sensitivity of hrrps, its relationship with other factors and its evaluation methods are analyzed in detail. a method to improve aspect stability of hrrps is proposed

    本文詳細研究了高分辨距離像的特性,基於目標點模型,分析了一維距離像的方向敏感性,以及它與各種的關系和它的度量方法,並提出了提高其方向穩定性的方法;同時,專門討論了螺旋槳飛機的一些特性。
  12. The relations between the parameters of gas charging and exhausting, heat quantity through the shell of tube ( q ), the length of the tube ( l ), the ratio of gas charging time to gas exhausting time ( ), the frequency of the jet flow ( f ), the ratio of the expansion ( ), the nature of thermal separator and the unsteady flow in the tube were established

    建立了進、排氣參數、管壁熱量( q ) 、管長( l ) 、充、排氣時間比( ) 、流頻率( f ) 、膨脹比( )等參數與熱分離機性能及管內非定常流動的關系,並分析了有關對熱分離機性能的影響。
  13. A new method of calculating the concentration distribution of radio - nuclides was proposed, in which the effect of gravity settlement, rain washing and the decay of the radioactive species re considered

    利用傾斜煙團模式,考慮實際過程中核粒子的重力沉降、雨洗作用以及放性衰變等的影響,提出一種迅速估算放性核濃度的方法。
  14. 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,運用已開發的工程學方法對人員安全疏時間、煙氣蔓延、輻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。
  15. The purpose of this work is to improve the space resolving power of the temperature measurement system for small laser - processed region. the main conclusions and contributions are as follows : 1. after expatiating upon the principle of radiation thermometry, we mainly discuss the effects on the space resolving power and the measurement precision of the real - time temperature measurement system by some factors

    本文的工作就是圍繞輻測溫系統空間分辨能力的提高技術展開的,主要的研究結果和創新之處如下: 1 .在闡述不接觸測溫原理的基礎上,討論了影響空間分辨能力及測溫準確性的兩種? ?強度點擴展函數有效分佈、進入系統中的雜光。
  16. It is found that the peak power of pump pulse is important and the fourth and fifth dispersions are crucial to flatly wideband sc generation from the fiber. the results show that the higher - order nonlinear effects on sc generation can be ignored

    研究結果表明,泵浦脈沖峰值功率對sc譜的產生有著重要影響,光纖的四階、五階等高階色的綜合作用對sc譜的形成起決定,高階非線性效應( raman自和自變陡效應)的影響可以忽略。
  17. As one part of the work, the induced current on perfect conductor surface is computed with mom method and graphed by origin. the factors, such as choice of basis function and sliced mounts of one cell, which affect solution accuracy are summarized. all of these provide a good basis for the latter computation of array scattering field

    其中第一部分工作從電場積分方程出發,利用矩量法計算了理想導體貼片上的感應電流,進而得到平面陣列和曲面陣列的場,研究了陣列單元尺寸、排布形式和入波的角度,以及曲面陣列的陣面形狀等對陣列場的影響規律。
  18. This technique is mainly involved two steps : 1 ) vegetation effects correction : we used ndvi ( normalized difference vegetation index ) derived from tm and avhrr measurements for spatial and temporal variations of vegetation covers at different scales

    但由於電磁波與地表相互作用的復雜性,雷達後向系數除受地表介電常數(土壤水分)影響外,還受到地表粗糙度、土壤類型、植被覆蓋以及雷達入角、頻率、極化等多種的影響。
  19. Nuclear scattering results in the displacement defects in material as well as the deflection of proton from its incident direction ; electronic stopping of protons acts as the most important factor in the degradation of incident proton energy, resulting in electronic effects such as single event upset

    是導致入質子運動方向改變以及缺陷產生的主要,入質子與核外電子云的作用是高能質子在材料中慢化的主要。核反應在宇宙高能質子引起的單粒子效應中有重要影響。
  20. The content of styrene was found to be dependent on the investigated grafting conditions, of which the dose rate and monomer concentration were the major conditions, and the dependence of the initial rate of grafting on the dose rate and the monomer concentration was found to be of 0. 4286 and 1. 1662 orders, respectively. the results indicate that the grafting reaction is competitive and the copolymerization and the graft - copolymerization are existing at the same time. the grafting proceeds by the so - called front mechanism in which the grafting starts at the surface of the films and moves toward the middle of the film by successive diffusion of the styrene through the grafted layers

    我們對輻接枝反應中的各個如:單體濃度、輻劑量率、輻劑量以及反應時間進行了研究分析,結果表明:單體濃度和劑量率是反應的兩個主要影響,它們對反應速率的影響指數分別為1 . 1662和0 . 4269 ;反應的動力學方程為: rg k [ d ] ~ ( 0 . 4269 ) [ m ] ~ ( 1 . 1662 ) ;認為接枝反應是一競爭反應,單體的均聚反應和在聚合物上的接枝反應同時存在,單體濃度的高低決定著競爭反應的方向;輻接枝反應是從聚合物表面開始的,隨著溶劑的溶脹和單體的擴最後在整個膜體中形成接枝產物。
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