近地面波 的英文怎麼說
中文拼音 [jìndemiànbō]
近地面波
英文
near-surface wave-
I met politkovskaya on many occasions to discuss chechnya. bespectacled and deeply serious, she resembled a strict schoolteacher rather than a glamorous war reporter inured to intimidation and flying bullets
我在很多場合和波里科夫斯卡婭見過面並討論車臣問題。她嚴重近視,看起來更像一位嚴厲的學校老師,而不是捲入槍林彈雨的迷人的戰地記者。On the basis of remote sensing technique ' s good characteristic with large - area, multi - time, multi - photograph variety, manifold abundant spectral information and high ground resolution, the fault tectonics frame, river geomorphy ( such as terrace, floodplain, shoal, etc ) and suspended load, etc. were explained after analyzed the fault tectonics, river geomorphy, characteristic in the tm image by gray bar statistics, primary component analyses, tm741 image integration, line convolve enhancement and model recognition etc. especially 9 piece of fault tectonics were explained in this thesis, in succession, the impacts of the factors severally were analyzed
遙感技術具有大范圍、多時相、多片種、多層次、含有豐富的光譜信息及具有較高的地面解析度的特點。本文利用該技術,運用灰階統計特徵分析和主成分分析、 tm741多波段融合、線性卷積增強、模型提取等一系列遙感解譯分析方法,分析了斷裂構造、河流地貌(階地、漫灘、沙洲)及懸浮物等在tm遙感圖象上的影像特徵,解譯出了安徽南部斷裂構造格架、河流地貌和懸浮物的分佈,並新解譯出了9條近東西向的斷裂。The method proposed in this thesis do well in solving the problems of multi - damping - ratio - spectra simulation. it is convenient to obtain the pareto optimal solution set of the multi - object question by using implicit parallel genetic algorithms and the method can meet the practical needs for simulating ground motions coinciding with multi - damping - ratio - spectra in seismic design. the crossing rate and variance rate are important parameters of genetic algorithms which affect the rate of convergence, the adapting rate of cross and variation in this paper can auto - adapt and according to stand or fall of current sample, it assures the sample approach to the pareto optimal solution set in fast convergent speed
較好地解決多阻尼比反應譜擬合問題;本文方法通過一次運行就能獲得一組具有集系特性的地震動,在擬合多阻尼比反應譜的人造地震波集系的模擬方面有傳統方法所不能比擬的優勢,產生的人造波或人造波集系可滿足工程抗震設計需要;在遺傳演算法中,交叉概率和變異概率是影響收斂速度的重要參數,本文採用的改進自適應交叉概率和變異概率,可以根據當前樣本的好壞程度來自動地選擇適當的交叉概率和變異概率,以保證演算法始終以較好的速度向pareto最優解集逼近。In the process of work, according to complex geological conditions such as huge thick soft clay in site and top surface of possible pile foundation supporting course fluctuating in large amplitude, we adopted many advanced exploratory methods ( just as high accuracy exploration of shallow earthquake, crosshole wave velocity test, vane shear test, pressuremeter test, etc. ), we found out that there is an ancient groove of yangzi river in former plant site, therefore we suggested in time that plant site should properly be moved eastwardly, only this item saved nearly about 50 million for pile foundation project cost
在工作過程,根據廠址區軟粘土厚度大、可能作為樁基持力層頂面起伏變化大等復雜地質條件,採取了多種先進的勘探手段(如高精度淺層地震勘探、跨孔波速試驗、十字板剪切試驗、旁壓試驗等) ,查明了原廠址區存在一個長江古凹槽,並及時建議廠址適當東移,僅次一項就節省樁基工程費用近5000萬元。The le - an oil field is located on the southern slope of dong - ying sag. there are two sets of ek basalt in its western block. depending on the drilling, the logging and the seismic date, tha ek basalt has the characteristics of high resistancs, the low sound wave defferance and faradic conductance, the smooth curve of self potential
樂安油田位於東營窪陷南斜坡上,其西區發育了兩套孔店組玄武巖,根據鉆井、測井、地震資料,孔店組玄武巖具有電阻率高、聲波時差值和感應電導率值低、自然電位曲線平直的特點,地震波呈板狀強反射;沉積期該區有有二次火山活動,玄武巖平面分佈比較穩定,噴發方式為「裂隙式噴溢」 ,火山口分別位於草12和草31井附近。As we all known, with the founding of euclidean geometry in ancient greece, with the development of analytic geometry and other kinds of geometries, with f. kline " s erlanger program in 1872 and the new developments of geometry in 20th century such as topology and so on, man has developed their understand of geometry. on the other hand, euclid formed geometry as a deductive system by using axiomatic theory for the first time. the content and method of geometry have dramatically changed, but the geometry curriculum has not changed correspondingly until the first strike from kline and perry " s appealing
縱觀幾何學發展的歷史,可以稱得上波瀾壯闊:一方面,從古希臘時代的歐氏綜合幾何,到近代解析幾何等多種幾何的發展,以及用變換的方法處理幾何的埃爾朗根綱領,到20世紀拓撲學、高維空間理論等幾何學的新發展,這一切都在不斷豐富人們對幾何學的認識;另一方面,從歐幾里得第一次使用公理化方法把幾何學組織成一個邏輯演繹體系,到羅巴切夫斯基非歐幾何的發現,以及希爾伯特形式公理體系的建立,極大地發展了公理化思想方法,不管是幾何學的內容還是方法都發生了質的飛躍。The product quality faces up to enormous domestic and international markets challenge and the peasants face up to the slow increasing of their incomes. the shortage of water resource is more serious for the planted system, climatic change and low utilization ratio. cultivated land resource is reducing rapidly for nature factors and urbanization process, etc. the analysis results indicate the resour ces utilization mode in the hhh plain is still high investment, high - energy consumption, and grievous pollution
農產品生產在我國佔有絕對優勢,但其受結構調整的影響也發生了波動性變化,其產品質量面臨著國內外市場巨大的挑戰,農民收入也面臨著增長緩慢的挑戰;水資源受種植制度、氣候變化及利用率低等多種因素的脅迫作用,嚴重短缺;耕地資源近年來大量減少,受自然及城市化進程等因素的影響,稀缺程度加大。Rayleigh wave exploration is a new seismic exploration method for low layer in these years rised. the method applies to many aspects widely, such as engineering prospecting, rock - soil engineering, evaluating groundsill
瑞雷面波勘探是近年來興起的一種新的淺層地震勘探方法,廣泛應用於工程勘探、巖土工程以及地基評估等方面。A seismograph is equipped with sensors called seismometers that can detect ground motions caused by seismic waves from both near and distant earthquakes
地震儀配備了能探測到來自近震和遠震的地震波所引起的地面運動的傳感器,這個傳感器被稱為地震檢波器。Inversion of the near surface structure can be done by the method with refraction first - break information, so it can be used to solve 2d long wavelength and short wavelength statics problems for complex near surface areas ; 4 ) a kind of 3d statics method with statistical deposition of refraction first - break traveling time in common shot domain is developed
它適應折射面起伏不大、折射層較穩定的近地表條件,利用該方法可以解決二維沙漠、黃土塬覆蓋區等復雜地表條件的長短波長靜校正問題; ( 4 )三維共炮域折射旅行時統計分解靜校正方法。Because of modis predominant space and spectral differentiate rate, it ’ s has been broadly applied to various field, in the aspect of snow monitoring, modis has been successfully using a normalized difference snow index ( ndsi ) to provide global automated binary maps of snow cover. the ndsi is a spectral ratio that takes advantage of the spectral difference of snow in short - wave infrared and visible spectral bands, although it has higher precision, it can only discern one pixel to snow or other features, can not satisfy accurate drainage basin snow cover mapping and snow parameter extracting
Modis數據因其優越的空間解析度、波譜解析度,已被廣泛的運用於各個領域,在積雪監測方面,已成功地運用歸一化差分雪蓋指數( ndsi )製作每天的全球雪蓋分布圖, ndsi是基於雪對可見光與近紅外波段的反射特性和反射差相對大小的一種測量方法,然而它只能將一個像元辨別為積雪或非積雪,滿足不了高精度應用要求。Integrated the monitoring data collected from the scene of blast with the correlative theory of earthquake wave, the blast vibration characteristic of this underground blast engineering and the influence that the blast vibration act on the ground buildings are analyzed. applied the method of duality linearity regression analysis, the propagation attenuational laws of blast earthquake wave in this underground engineering are gained by this software matlab. the analysis results indicat that the attenuational laws of blast earthquake wave are obvious diversity in the condition of difference distances
結合採集到的大量爆破振動現場實測數據,並應用地震波的相關理論,分析了該地下工程開挖爆破的地面爆破振動特性及爆破振動對地面建(構)築物的影響;應用二元線性回歸分析法,通過matlab軟體計算得出該地下工程開挖爆破地震波的傳播衰減規律;分析結果表明,不同距離下的地面爆破地震波的衰減規律存在明顯的差異,近距離條件下爆破地震波的垂直方向分量衰減最慢,遠距離條件下垂直方向分量衰減最快,遠距離的爆破地震波的垂直方向分量和水平徑向分量的衰減指數均要比近距離相應的爆破地震波衰減指數要大。According to the theory of optical wave propagation in the slant path and the itu - r turbulence structure constant model, which is altitude dependent and proposed in 2001, the modified rytov method is extended to be applied to study on the problems, which waves propagate in the slant path. the scintillation index as a function of the rytov variance is obtained from weak to strong fluctuation regions with plane wave and sphere wave incidence, respectively
根據斜程傳輸理論和2001年提出的itu - r湍流大氣結構常數模型,將修正pytov方法推廣應用於斜程傳輸問題研究,得到了平面波和球面波斜程傳輸時的閃爍指數,分析了湍流內尺度、近地面風速等參量對閃爍指數的影響。The intracavity photon density and initial population inversion density are assumed to be gaussian distributions instead of plan wave assumption, based on this assumption, the rate equations of diode - pumped intracavity - frequency - doubled passively q - switched laser are modified. through solving these space - dependent rate equations numerically, the results under different assumption are compared. 5
將腔內光子密度和初始反轉粒子數的平面波近似修正為高斯分佈近似,獨立地導出描述二極體泵浦內腔倍頻-被動調q激光器的速率方程,並通過數值求解該方程比較了兩種近似下脈沖特性的不同; 5 .實驗驗證了2中提出的實驗方案,並對實驗結果進行了分析。Using the largest ground - based telescopes, as well as the spitzer space telescope ( the infrared counterpart to the hubble ), several groups, including ours, have recently shown that brown dwarf disks manifest the same properties
最近,包括我們在內的許多研究團隊,使用地面上幾個最大的望遠鏡與史畢哲太空望遠鏡(相當于紅外波段的哈伯太空望遠鏡) ,已經證實了棕矮星的氣盤具有這些相同的性質。Our company has more than 260 staffs and workers, more than 60 technicians, more than 20 million owns fixed assets and 240 facilities. we have 18 series and 8 patents of hi - tech products. in those, the geared motor for roller table have obtained the biggest market share in china and the dsz series geared motor have been ranked in state torch plan project
公司新廠區佔地面積12萬平方米,現有員工300多人,專業技術人員80餘人, 2002年銷售收入近億元,產銷及利稅增長率在江東區名列前茅,獲得「寧波市高新技術企業」 「骨幹企業」 「重合同守信用單位」 「寧波市aaa級資信企業」 「 cad應用工程重點推廣企業」 「尊重知識尊重人才先進單位」等榮譽稱號。2 ) forward modeling method of refraction first - break in lateral varying velocity media. for layered media, a new forward modeling method of refraction is presented. for more complex near - surface conditions such as mountain areas, a new improved ray tracing method based on shortest path assumption is studied, it has higher accuracy and faster computing efficiency than conventional ones. the method can be used for the forward modeling of complex near - surface media
而對于折射面起伏較大、低速層和折射層速度變化較大的復雜近地表情況,提出了一種改進的最短路徑初至波射線追蹤方法,該方法精度高,計算速度快,適用於任意二維復雜近地表介質(如山地)的初至折射波的正演計算。This means that the dielectric property changes with height and allows a slight increase in the speed of a radio wave as we move upwards through the atmosphere. this in turn means that if a radio wave moves away from the earth at an angle less than 90 degrees, then the upper part of the wave travels faster than the lower part. therefore even under normal conditions this can in effect bend, or refract, the wave back down to earth
其中一種顯著的現象是:在一定的氣象條件下,在大氣邊界層尤其是在近地層中傳播的電磁波,受大氣折射的影響,其傳播軌跡彎向地面,當曲率超過地球表面曲率時,電磁波會部分地被陷獲在一定厚度的大氣薄層內,就好像電磁波在金屬波導管中傳播一樣,稱為大氣波導傳播,形成波導傳播的大氣薄層稱為大氣波導層。Our company locates on no. 511 fuming road jiangdong district, ningbo. it covers an area of 14, 000 square meters, including 12, 000 square meters of hou. . .
公司座落在寧波市江東區福明路511號,佔地面積14000多平方米,廠房12000平方米,員工600餘人,其中科技人員占近30 % 。In resent years, a lot of researches of seismic required of complex medium have been done home and abroad
面對這種發展趨勢,近年來國內外有關學者進行了大量的復雜介質地震波場研究。分享友人