電化水雷 的英文怎麼說
中文拼音 [diànhuàshuǐléi]
電化水雷
英文
electrochemical mine-
Our company is a professional enterprise of paper printing and silk screen printing, major in paper printing, such as tagged label, anti - counterfeiting materials, bar code label, instruction book, costume book, handbag, as well as silk printing, such as plastics, glass, aluminum, circuit wafer, laser label, lamp case and so on
我司是一家集紙印刷、絲網印刷的多元化企業，主要經營紙印類：不幹膠標簽、防偽材料、流水條碼、說明書、畫冊、手挽袋；四色絲印類：塑膠、玻璃、鋁牌、電路板、雷射水洗標、轉貼標、燈箱畫、冰箱貼等一站式印刷業務。For parameter a, there is a close relationship exist between a ( 9, sr ) in two different radar incident angle that can be expressed as : with considering the effects of soil texture, we get the final expression of the inversion model : where mv ( t1 ), mv ( t2 ) is volumetric soil moisture content in two different temp, c, d is soil type related parameters, and v ( t1 ), s ( t2 ) is coresponding bare soil radar backscattering coefficients. inversion results show that for the c band hh polarized radarsat scansar data with a range of incidence angle from 20 to 40, the soil moisture change value can be derived with an acceptable accuracy using the above model. the temporal and spatial soil moisture change patterns are associated with rainfall and vegetation cover, as well as the soil hydraulic characteristics
利用最新發展的電磁波散射模型研究了不同植被覆蓋地表雷達波對地表土壤水分的敏感性，建立了半經驗植被雷達後向散射模型; 2 ） .研究發現在農作物等矮小植被覆蓋地表，植被層直接後向散射與植被類型相關，且在植被生長期，雷達後向散射系數對植被含水量的敏感性要高於對植被高度變化的敏感性; 3 ） .解決了單參數雷達地表土壤水分反演問題中，雷達入射角和地表粗糙度的影響這一難點問題; 4 ） .利用土壤介電模型校正了不同土壤類型對反演地表土壤體積含水量的影響; 5 ） .在以上成果基礎上，建立了完整的單參數雷達地表土壤水分變化探測反演演算法，經地表驗證，模型反演地表土壤水分變化值的精度為rmse = 0Then, the equivalent rcs of rain and fog are discussed, which of rain is discussed at different polarization state of radio wave, which of fog calculated using equivalent complex refraction constant is compared with that using complex refraction constant of water. after that, the effects on radar deriving from rain or fog are discussed qualitatively
在前面的研究的基礎上，文中計算了不同極化狀態波作用時，雨的等效rcs ；用了等效介電特性計算了霧的等效rcs ，與用水的介電特性計算的等效rcs作了比較，在計算了雨、霧的等效rcs的基礎上定性討論了雨、霧對雷達的影響。There must be a marine casualty happened every 4 days before 1984, the amount of marine casualty happened at this area corresponds to 1 / 7 amount of the whole changjiang " marine casualty, so mariners gave it a name as " mouth of tiger ". due to the specific geographical condition and the extremely representative vessel traffic management of changjiang yingongzhou channel section, many intelligent people began researching and practicing the vessel traffic management of this changjiang " s down - stream complicated channel section from 1980s, at dec 15th 1984 the authority at that time - changjiang yingongzhou channel section previously ; up to the last years of 1980s ministry management administration applied traffic control on changjiang yingongzhou channel section previously, up to the last years of 1980s ministry of communications assigned shanghai marine college, shanghai ship & shipping research institute and changjiang harbor superintendence administration to make feasibility demonstrate about modern vts of zhenjiang traffic control section ; in 1990 dasha radar station which is the first radar vts station with inner river was finished, groped a new way for applying modern radar traffic control of vessel traffic management ; in 1997 the vtms of changjiang " s down - stream from nanjing to liuhekou was completed with connecting net and came into operation formally, meanwhile the signals of dasha radar station were conveyed to vts center by light cable, and then united applying vessel traffic management upon the whole authorized area ; in jun 2001 jiangsu msa made changjiang yingongzhou channel section as the first experimental group of creating " civilized, safe, passable channel activity, updating dasha radar antenna and receive - transmitter building closed - circuit television monitor system, setting uo safety warning board, starting navigational route reformation, carrying out united construction
1984以前這里平均每四天就發生一起海損事故，事故數占整個長江的1 7 ，被行船人稱為「老虎口」 。長江尹公洲航段緣其極為特殊的地理區位條件和極具代表性的船舶交通管理，從上個世紀八十年代初就有識之士開始了這個長江下游最復雜航段的船舶交通管理探索和實踐。 1984年11月15日當時的長江航政管理局在長江尹公洲水域率先施行交通管制；到八十年代末交通部委託上海海運學院、上海船舶研究所和長江港監局聯合開展鎮江交通管制段建立現代化交管系統的可行性論證； 1990年大沙雷達站? ?內河第一座雷達交管站建成，摸索實施現代化雷達交管的船舶交通管理新途徑； 1997年長江下游南京至瀏河口船舶交通管理系統建成聯網投入正式運行，同時將大沙交管雷達信號通過光纜傳輸至交管中心，統一實施全轄區船舶交通管理； 2001年6月江蘇海事局將長江尹公洲航段作為第一批創建「文明平安暢通航段」活動試點航段，更新大沙雷達天線和收發機，著手閉路工業電視監控系統建設，設立安全警示牌，啟動航路改革，開展聯合「共建」 。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，雷達後向散射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射角、頻率、極化等多種因素的影響。In the paper, the gpr system developed by us employs several optimization techniques to enhance the system performances, including antenna, sampling - hold circuit, orientation wheel, function of system software, multithreading, and signal processing algorithms. as the result the system works more well with these techniques, and its azimuth and distance resolution of 10 cm has been achieved with detection depth of more than 50 cm. the main contents of this dissertation are summarized as following : 1
本文根據探地雷達系統工作原理，在電子科技大學探地雷達系統樣機研製的基礎上採用了各種有效的優化技術，包括探測前端、采樣保持電路的優化，定位輪、目標定位、多線程技術的應用，數據採集處理和控制軟體功能的拓展、各種有效的信號預處理演算法的應用等，顯著提高了系統的探測性能和增強了探測效果，使得系統方位、距離解析度均達到了10cm ，探測深度大於50cm ，其性能指標達到國外先進水平，為進一步的實用化奠定了重要的基礎。The shanghai leishi lighting co, . ltd is a collection of research, development, production, marketing, “ green lighting appliances, ” which integrated modern enterprises, the company ' s electronic energy production, electronic ballast and electronic transformers, tongdeng, low voltage supply, the grid supply, jinludeng, such as light - series of products, product quality have reached the international advanced level, and widely used in hotels, shopping centres, hotels, office off as, residential lighting and other projects
上海雷士照明有限公司是一家集研究、開發、生產、銷售「綠色照明電器」為一體的現代化型企業、公司生產的電子節能燈，電子鎮流器和電子變壓器，筒燈、低壓射燈、格柵射燈、金鹵燈、光源等系列產品，產品質量均已達到國際先進水平，並廣泛應用於酒店、商場、賓館、辦公場所、住宅等照明工程。With the rapid development of electronic technology and the variety and intelligence of torpedo, researching a new and effective anti - torpedo method has been an important part of modern defensive industry
電子技術的不斷發展和水雷性能的日趨多樣化和智能化使得研究新的更為有效的反水雷手段成為現代國防工業中尤為重要的組成部分。They experienced the earthquake, the floods, the thunder. they became so frightened they created gods, gods of thunder, gods of the sea, and they began to believe that these gods were angry. so to protect themselves, they created a religion and it was a fearful religion
停下來，想一想：宗教如何進入文化進入世界，由一個原始的群體開始，由於畏懼地震洪水雷電，他們創造了神明，雷神憤怒的神，他們創造了宗教，令人畏懼的宗教。Most of our major products already gained patent, and were certified by iso9001 : 2000. our fangwushan dope all kind of high low voltage switch metal - oxide arrester and electric power tool all produced under country and industry standard strictly. most of them reached iec international standard, meanwhile we also can satisfy clients special request. coming from all directions, serving all quarters
我公司生產的防污閃塗料水性鐵銹轉化底漆，送變電防冰塗料，各種類型的高低壓開關金屬氧化物避雷器和電力金具，嚴格執行國家及行業標準，有的產品達到了iec國際標準要求，深受廣大電力用戶的好評。Digital radar receiver is the rapid development technology of recent years. along with the development of ultra high speed digital circuit, the digital level of the radar receiver grows higher and higher
雷達數字接收機是近年來迅速發展的接收機技術[ 1 ] ，隨著超高速數字電路技術的迅速發展，雷達接收機的數字化水平越來越高。分享友人