波向角 的英文怎麼說

中文拼音 [xiàngjiǎo]
波向角 英文
relative wave obliquity
  • : Ⅰ名詞1 (波浪) wave 2 [物理學] (振動傳播的過程) wave 3 (意外變化) an unexpected turn of even...
  • : 角Ⅰ名詞1 (牛、羊、 鹿等頭上長出的堅硬的東西) horn 2 (古時軍中吹的樂器) bugle; horn 3 (形狀像...
  1. And understanding and studying the spectral features and variation rules of geo - targets in the experimental area, raising that it is the basis of geo - targets information collection with imaging spectrometer data to understand spectral features and variation rules of geo - targets, realizing that in a great extent spectral - integrated - form - based classification method can remove the phenomenon of " different spectrum with same objects " resulted from reflection ratio curve translation because of the angle change among sensor, targets and observation direction, and the average and variance images can be introduced to solve the problem of two kinds of geo - target with similar spectral forms and much different values of whole reflection ratio. it is suggested that " red edge " range bands of vegetation, which has close relationship with vegetation cover and biomass, is the main characteristic bands and important basis for careful vegetation classification and quantitative retrieval, and pixel - based derivative spectral analysis is very useful for removing the effects of soil background values and quantitatively retrieving vegetation biomass and cover. the remote sense quantitative retrieval model is developed for main appraisable factors of desertification monitoring assessment with imaging spectrometer data and then the applicability of model is analyzed

    研究結果如下:首先針對荒漠化地區的地物特徵,對高光譜數據不同段的數據質量、段組合進行了評價,提出了適用於荒漠化監測的基本段選擇集;初步了解和掌握了研究地區的地物光譜特性及變異規律,進一步明確了掌握地物光譜特徵和變異規律是用成像光譜儀數據提取地物信息的基礎;發現了基於光譜整體形狀的分類方法在很大程度上能夠消除由於傳感器、地物目標觀測方之間的度變化引起的反射率曲線整體平移的「同物異譜」現象,對于譜形相似而整體反射率的值相差較大的兩類地物,通過引入均值和方差圖像參與分類得到解決;研究還表明在植被「紅邊」范圍內的段是進行荒漠化監測的主要特徵段,這些段與植被生物量和蓋度都有密切的關系,是開展精細植被分類研究和植被定量反演的重要基礎;像元的導數光譜分析可以消除土壤背景的影響,是進行植被生物量和蓋度定量反演的有力工具;建立了荒漠化監測主要評價因子的定量反演模型,並分析了模型的適用性。
  2. So, the paper uses porter ’ s “ five power ” model to find the feasibility of differential marketing strategy from supplier, customer, culturist and competitor, finding that feed industry has a good future, the demand of culturist appears new characteristics and other competitor can not find their position, upwards suppling the chance and the market guide for corporation adjusting his marketing strategy

    基於上述問題,本文引用特「五力競爭」模型,從行業視觀測供應商、經銷商、養殖戶和競爭對手,尋找公司制定差異化營銷策略的必要性和可行性。分析發現飼料工業具有良好發展前景、養殖戶需求出現新的特徵、競爭對手存在定位不準等情況,這為公司調整營銷策略提供了市場導和機會。
  3. The relation is given by the target strength and waveform mutational with dividual angle and incident angle. the experiment on the intelligent underwater sail in a water tank is tested, the valuable laws of multistatic target distribution characteristic are obtained

    完成了非入射方模擬目標智能航行器聲散射特性的水池實驗,給出了目標回的強度和形隨聲入射和分置的變化關系。
  4. Numeral results of dsif at radial crack tips of ellipse and square cavities are provided. then the influences of different shape cavities upon the dsif at the crack of their edges are discussed. 5. scattering of sh - wave by a radial interface crack at the edge of arbitrary - shape - cavity is studied

    給出了橢圓孔和方孔孔邊徑界面裂紋尖端動應力強度因子的數值結果,討論了在不同形狀孔、不同入射數、不同入射和不同材料常數組合情況下孔邊徑界面裂紋尖端動應力強度因子變化的規律。
  5. First, based on phased array antenna ' s mono - pulse goniometry and separate coordinate technology about phase control, the antenna beam pointing error formula, caused by phase quantization error, is derived from linear array and circular array to planar array and cylindrical array

    首先以單脈沖相控陣天線測原理為基本理論出發點,利用相位控制的坐標分離技術,基於線陣、圓形陣等簡單形式的相控陣天線,推導了平面陣、圓柱面陣等相控陣天線由相位量化誤差引起的束指誤差公式。
  6. The numerical results show that the time domain response of the laminated plates induced by the in - line force of non - steady component oscillating flow is similar to harmonic motion with certain ribbon which is formed by period motion

    計算結果表明,零均值流量脈動流順流作用力誘發反對稱鋪設層合板的時域響應近似於具有一定帶寬的諧運動,而這一帶寬又是由一定周期運動形成的。
  7. The frontal structure of longmenshan in the west of sichuan is very complex, showing intense structure deformation in overthrust belt, high structure amplitude, steep stratigraphic dip, developed fault blocks, complex seismic wave field, frequent change of lateral velocity, and poor image of post - stack time migration processing

    摘要川西龍門山前緣構造非常復雜,逆掩推覆構造帶構造形變強烈,構造幅度大,地層傾陡,斷塊發育,地震場復雜,速度橫變化大,常規疊后時間偏移處理成像效果較差。
  8. Mainly used in wind guiding part, hand moving part of fan and all kinds of craftwork, lamps and lanterns and toys, wind direction motor of air conditioner and turnplate motor of microwave oven

    主要用於電風扇的導風機構搖頭機構取暖器擺以及各類工藝品燈具玩具等用具上。以及各類空調的風電機和微爐的轉盤電機。
  9. Mainly used for wind guiding part, hand moving part of fan and all kinds of craftwork, lamps and lanterns and toys, wind direction motor of air conditioner and turnplate motor of microwave oven

    主要用於電風扇的導風機構搖頭機構,取暖器暖風機小太陽擺,各類工藝品燈具玩具等用具以及各類空調的風頁導電機和微爐的轉盤電機。
  10. Research of this paper opens out enclosing the subject that m & as and reconstruction of public companies can help to realize resource collocating of securities market, advance quality of public companies, and promote the optimization of structure and function of stated - owned economy. the paper researches how to change the financial and speculative reconstruction at present to the strategic and material reconstruction aftertime. firstly, the author proves the feasibility of m & as and reconstruction that conduces to advance management efficiency of companies and efficiency of securities market in theory, and emphasizes on some conceptions which have certain differences between westward m & as and reconstruction market and ours

    西方的並購重組理論為我們提供了一定的思考的度,其中比較有代表性的有效率理論,從管理、經營、財務的協同效應和多元化經營、戰略重組等方面解釋了並購重組對改善企業經營管理的可能性;代理問題理論,把並購重組作為解決企業委託代理問題的一個外部機制,即當由於公司管理層的無效率或代理問題而導致公司經營管理業績不佳的時候,公司就可能面臨著被收購的威脅;信息與信號理論,認為並購重組信息市場傳遞了有關公司管理、股票價值、資本結構等方面的信息,從而引起公司的市場價值被重新評估,導致股價動。
  11. Its main contributions include the following several aspects : firstly, the dissertation constructs the mathematic model of short baseline orientation determination using two geostationary satellites and analyses the applicable conditions of carrier phase interferometry. orientation determination precision is analysed in depth through both the conventional linearized method and monte - carlo computer simulation method, and the mathematical simulation results show that the linearized method has the shortcoming of fairly low elevation error analysis precision in high latitude area so as not to be very appropriate there. by analyzing the definite factors influencing orientation precision, the dissertation develops the concept of orientation dilution of precision, which uncovers the internal cause of exotic error behavior of bi - satellite orientation, and has important guiding significance for practical engineering applications

    本文系統地研究了基於「北斗一號」衛星載相位干涉測量原理實現地球靜止雙星定的相關技術,主要研究成果包括以下幾方面:首先,建立了利用兩顆地球靜止軌道衛星進行短基線定的數學模型,分析了載相位干涉測量的適用條件;採用傳統的線性化解析法及蒙特卡洛隨機模擬法兩種途徑對雙星定的精度進行了詳細分析,數學模擬結果表明在高緯度地區線性化解析法由於俯仰誤差分析精度略有下降而不太適合;在分析定精度確定性影響因素的基礎上,提出了雙星定精度衰減因子odop的概念,揭示了雙星定誤差特殊表現的內部機理,對實際工程應用具有重要的指導意義。
  12. This paper focuses on the research of the stress mechanism of the ribbed shell structure in statics, dynamics and under the explosive load on the basis of the engineering practice of cave depot of single aircraft. in this paper, according to the classical shell theories, the basic differential equilibrium of the ribbed shell structure and the finite element analysis of 3d rippled plate are established, in which the function of annular ribs reinforcement bars and 3d ripped steel plates are distributed in the range of the steel, and the functions along the longitude direction of tension, bending, and torsion are neglected ; applied with dynamic analytical theory, the dynamic model of ribbed shell structure and the analytical theory model of elastic - plastic are set up ; the triangle series method is used to solve the displacement and stress under the distributed load and the concentrated load of the ribbed shell structure

    本文以軍用機場地面單機掩蔽庫工程建設為工程背景,首次對內襯三維紋鋼板混凝土拱型復合結構的受力機理進行了靜力、動力和爆炸荷載的分析研究。根據將橫肋、鋼筋及三維紋鋼板的作用均勻分佈在殼體范圍內的情況,忽略橫肋、鋼筋及三維紋鋼板沿殼體母線方的抗拉、抗彎及其抗扭作用,首次推導出了內襯三維紋鋼板混凝土殼體的微分平衡方程,建立了有限元計算模型,並採用三函數法,求解了三維紋鋼板混凝土拱型復合結構在分佈荷載和集中荷載作用下的位移響應和應力響應,並與普通殼體進行了比較。
  13. 1 m 0. 5, the phase - shifted angle 6 is controlled in term of sine law which makes the magnitude of resonant voltage track a reference sine voltage, and the resonant voltage is rectified, filtered, inverted and then the better sine - voltage output is obtained, theoretical analysis and experimental results show that for the resistive load and inductive load, the switches of leading leg of the phase - shift - controlled circuit are always turned on at zvs, and ones of lagging leg are turned on at zvs ( < 0 ) or turned off at zcs ( ( > 0 ), moreover, all switches in the low - frequency inverter are always turned on and off at zvs, the measured circuit efficiency for rated load reaches up to 88 %

    從功率單流動度出發,提出了一種lcc諧振型恆頻移相單相高頻鏈逆變電路拓撲,在調制系數0 . 1 m 0 . 5情況下,控制移相按正弦規律變化,使諧振電壓脈沖列的幅值追蹤參考正弦電壓信號,經過整流、濾、低頻逆變,從而獲得正弦度較好的輸出電壓。理論分析和實驗結果證明對于阻性負載或阻感性負載,移相全橋具有超前橋臂零電壓開通,滯后橋臂或者零電壓開通( _ 0 )或者零電流關斷( _ 0 )的軟開關特性,而低頻逆變器的各個開關均實現零電壓條件下的開通與關斷。
  14. The curtain rose on the ballet, which was one of those excellent specimens of the italian school, admirably arranged and put on the stage by henri, who has established for himself a great reputation throughout italy for his taste and skill in the choregraphic art - one of those masterly productions of grace, method, and elegance in which the whole corps de ballet, from the principal dancers to the humblest supernumerary, are all engaged on the stage at the same time ; and a hundred and fifty persons may be seen exhibiting the same attitude, or elevating the same arm or leg with a simultaneous movement, that would lead you to suppose that but one mind, one act of volition, influenced the moving mass - the ballet was called " poliska.

    大幕又垃開了,歌舞團登臺了,這是最出色最標準的義大利派歌舞團之一,導演是亨利,他在義大利全國極負盛名,他的風格和技巧一以導演群眾場面而見長。這次上演的,是他的傑作之一,舉止優美,動作整,高雅脫俗歌舞團全班人馬,上至臺柱舞星,下至最低級的配,都同時登臺一百五十個人都以同樣的姿態出現,一舉手,一投足,動作都非常整。這叫做「利卡」舞。
  15. The wider range of the directional distribution of wave energy, the shorter of the mean crest lengths and the wider range of the distribution of crest directional angles. the crest height and crest length show a high relativity while the crest heights are low and become independence at very high crest height

    獲得了峰長度的統計分佈、峰長度與峰高度的聯合分佈、峰高度與峰長度相關性、峰長度與峰方的聯合分佈以及峰在一個大面積海域中的出現概率等結果。
  16. The optical rotation in er fluids is studied thoericaly. considering the different attenuation in different direction and the theory of light transmission, i derive the expression of rotation angle as function of the angle 6 ( between the electric vector of linearly polarized light and electric field ) and other parameters on the condition of several appropriates and assumptions

    考慮電場作用下電流變液中不同振動方的線偏振光衰減不同,根據光在介質中的傳播理論,推導出光通過電流變液的旋光與(入射線偏振光振動方與外加電場方的夾)及其它參數的關系表達式。
  17. The experimental results show that the wave shaper can control the moving direction of the rod fragments after the warheads exploded and ensure the integrity rate of the rod and that there is a close relationship between the flight attitude and the positioned angle, which is mainly reflected by the rotation velocity of the rod

    試驗結果表明:採用形控制器可以較好地控制戰斗部爆炸后桿形破片的飛散方,以及保證桿條的完整率;桿條的飛行姿態與放置有密切關系,主要通過桿條旋轉速度表現出來。
  18. Based on the date of full - scale measurements, modeling wind tunnel tests and theoretical researches of the wind loads on low - rise buildings available, involved the date of the wind tunnel test and computational numerical simulation fulfilled in this paper, the effects of wind loads on low - rise buildings have been studied systematicaly and extensively. it reveled properly the principle of the changes of the surface mean pressures, local pressures, and fluctuating pressures with the building geometry, roof type and slope, wind direction, eave configuration, cladding system, and dominate openings

    本文根據國內外有關低層房屋風荷載的全尺寸實測、模型風洞試驗及其理論方面的研究,包括本文進行的低層房屋屋面風壓分佈的風洞模型試驗和計算機數值模擬計算,對低層房屋的風荷載特性進行了系統而深入的研究,較好地揭示了低層房屋表面的平均風壓、局部風壓和壓力的動隨房屋的幾何尺寸、屋面形式、屋面坡度、風、檐口構造、覆面材料和門窗開洞而變化的特點和規律。
  19. In this paper, a method to evaluate hardware performance of laser detection system with the array signal estimation is proposed. and the optimally weight vector of array signal can be acquired by the doa estimating of received signals. in order to acquire the maximum output power of expected signals, summation of weight vector is applied

    提出用陣列信號源的估計來判斷激光檢測系統硬體性能;用接收信號的估計得出陣列信號最佳權量;用權量的加權求和獲取期望信號的最大輸出功率,同時基於davidl . donoho軟閾值理論,進行多層小降噪,重構原始路面信號。
  20. After the ls - cma captures a cm signal, the relationship between the weight vector and the do a of the other signals is derived. initial weight vectors are set hi the directions of the other cm signals by lcmv algorithm. thereafter, the blind beamforming for the other cm signals can also be realized

    首先,我們導出了恆模演算法收斂于任意一個恆模信號后,其恆模演算法的權量與其它用戶之間的關系,然後在不同用戶的達方上形成初始增益,進而對所有的用戶實現束形成。
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