水平天線 的英文怎麼說
中文拼音 [shuǐpíngtiānxiàn]
水平天線
英文
horizontal antenna-
Bda is equipped with advanced facilities for international telecom, water, electricity, natural gas, steam, heat, and separate drainage systems for sewage and rainfall
開發區建有高水平的國際通訊設施和水電天燃氣蒸汽熱源等管線站所及雨污分流的排水系統。This has since been confirmed by russian sources ; the transmitter consists of two swept - frequency generators of sinusoidal voltage and two parallel horizontal grounded antennas, each about 60 km long
這一點被來自俄方的消息所證實;發射機有兩個掃頻發生器,產生正弦波,同時有兩幅相互平行的水平地面天線,每個天線有60千米長。Detail specification for electronic components ay10 100 medium wave ferrite core. assessment level a
電子元器件詳細規范廣播接收機天線用ay10 100中波鐵氧體磁芯評定水平a可供認證用With the rapid development of spationautics and remote sensing technology, a plenty of satellite images with high precision are produced, among which the linear array ccd image has satisfied the requirement of photogrammetry
航天遙感技術的迅猛發展,產生了大量高精度的遙感衛星影像,特別是線陣ccd影像在理論和技術上都已達到了攝影測量要求的水平。In this paper, the finite - element numerical analysis calculation is applied to the foundation of high - rise and multi - floor building and the evolvement law of stress and displacement of tunnel used by urban traffic to explore the mutual influence between the wall rock of underground space and high - rise building foundation, taking account of the specific construction situation in the " sanmu garden " project in dadukou district in chongqing, from the perspective of underground space static - force structure stability analysis to open a underground tunnel with 6m in span and 7. 5m in height for track traffic 20m below the surface. this paper, taking considerations of three different states, i. e. the natural state without any artificial interference, the state of high - rise buildings on the surface, and the underground tunnel state with excavation for track traffic, and four plane lines and four vertical lines, analyzes and studies the distributing law of stress and displacement of calculation section from the following aspects : ( 1 ) the main stress vectorgraph, displacement distribution graph ( ux, uy ) and chromatogram graph of stress isoline ( 1, 2, xy ) of section under different states ; ( 2 ) the contrastive distribution curve of stress ( 1, 2, xy ) of different plane and vertical lines under the same state ; ( 3 ) the contrastive distribution curve of stress ( 1, 2, xy ) of the same plane and vertical lines under different states, wishing to provide references for underground space utilization and project designing and construction of the tunnel under high - rise buildings in the future
本文結合重慶市大渡口區「三木花園」開發建設項目,從地下空間靜力結構穩定性分析角度出發,針對在該項目中涉及的高層和多層建築物以及在其地下20米處開挖了一個用於軌道交通的跨度6米,高7 . 5米的地下隧道這一具體工程情況,採用2d - 3d -有限元結構分析程序對高層與多層建築物的地基基礎及其與城市軌道交通使用的地下隧道圍巖的應力與位移演變規律進行了有限元數值分析計算,探索了地下空間圍巖與高層或多層建築物地基基礎之間的相互影響,通過考慮未受到任何人為擾動影響的天然狀態、地表存在多層或高層建築物狀態和地下開挖用於軌道交通的地下隧道狀態等三種不同狀態以及4個水平剖線和4個垂直剖線等不同情況,從以下幾個方面具體分析研究了計算斷面的應力與位移分佈規律: ( 1 )在各種不同狀態下計算斷面的主應力矢量圖、位移分布圖( ux 、 uy )以及應力等值線色譜圖( _ 1 、 _ 2 、 _ ( xy ) )等; ( 2 )相同狀態下不同水平與垂直剖線的應力_ 1 、 _ 2和_ ( xy )對比分佈曲線; ( 3 )不同狀態下相同水平或垂直剖線的應力_ 1 、 _ 2和_ ( xy )的對比分佈曲線等,為今後在對地下空間的開發利用以及在高層建築物地下開挖硐室時的工程設計和工程施工提供參考依據。To this area precipitation materials for many years, evaporate materials, surface flow materials, hydrometeorological materials, hydrogeological materials carry on exhaustive analysis, have analysed the state of water resource of the sand district, proceed from the heat of the earth ' s surface is balanced, water yield balanced basic theories, combine the amount of regional water resource set up of the materials, such as scene, hydrology, soil of the sand district, etc. and estimate models, have calculated the surface water, groundwater of this area, has carried on models to examine according to the real data, and has predicted to the state of water resource under different climate change scenes of future that analyse. have put forward the scheme that the water resource in this area utilized rationally, use the non - linear motive force model to predict the precipitation, utilize the materials of actual observation, the natural supply amount of calculating out groundwater of sand ground of balanced principle of the amount of water used at the same time, and can exploiting amount predict to groundwater, district of sand,
本文以寧夏半乾旱地區鹽池縣沙地水資源為研究對象,對該地區多年降水資料、蒸發資料、徑流資料、水文氣象資料、水文地質資料進行了詳盡的分析,分析了沙區的水資源狀況,從地表熱量平衡、水量平衡的基本理論出發,結合沙區的氣象、水文、土壤等資料建立了區域水資源量估算模型,計算了該地區的地表水、地下水,根據實際資料進行了模型檢驗,並對未來不同氣候變化情景下的水資源狀況進行了預測分析,提出了該地區水資源合理利用的方案,運用非線性動力模型對降水量進行預測,同時利用實際觀測資料,運用水量平衡原理計算出沙地地下水的天然補給量,並對沙區地下水可開采量進行預測。In this graph, the galactic plane is horizontal and we ignore the distances. note that the gas and dust in our galaxy not only block the stars in our galaxy, but also the galaxies far away. taking this into consideration, the distribution of the galaxies is fairly uniform
圖中中間的水平線標示出銀河系平面,銀河系的氣體塵埃除了掩蓋了背景星光,亦同時遮蔽了遙遠的星系,撇除了這個因素,我們會發覺星系在天空的分佈是頗為平均的。Marconi patents his directive horizontal antenna
馬可尼獲得定向水平天線專利權。Samephase horizontal antenna
同相水平天線A method to determine positions of earth pull - wire on reflector net of cophased horizontal antenna
同相水平天線反射網到地拉線的位置確定Antenna gain 7dbi level of polarization antenna power 1w adjustable
天線增益: 7dbi水平極化Moreover, the fish antenna is often used in the detection system. the variable phase center of the antenna is calculated which contain vertical polarization and horizontal polarization
另外,本文對在偵收站中常用的魚骨天線在水平極化和垂直極化兩種狀態下的可變相位中心作了深入地研究。This thesis in combination with the actual engineering demand, analyzes and designs a horizontally polarized triangular - grid planar phased array antenna, which composed of open - ended rectangular waveguide, the main steps of analyzing and designing are as follows : 1. at first, taking no account of mutual coupling among the array elements, classical electromagnetic theory is used to establish analyzing model for finite array, and initial value parameters of the array structure which basic satisfy the design index are got, these parameters provide reference for subsequent analyzing and design
本論文結合實際工程需要,分析和設計了一個採用水平極化方式的三角形柵格矩形波導相控陣天線,其主要步驟如下: 1 .首先,在不考慮陣列單元間互耦影響的情況下,採用經典電磁理論建立有限陣列分析模型,通過分析得到了基本滿足設計指標的陣列結構參數,為后續的分析、設計提供參考。Why is the sky not exactly blue in the horizon
為什麼水平線上的天空不全是藍色?Based on the requirement, a base station array antenna of which beam width in h - plane is 45 is made. the relationship between the size and the performance of array antenna is researched. the antenna is tested and is proved eligible
根據實際要求,設計一副水平面波瓣寬度為45的基站陣列天線,討論天線尺寸與性能指標的關系,對天線進行測試,達到了設計要求。On march 28, 000, the two strong partners, with guangdong robust group cooperated with each other, the group incorporated the last word technology of sterilized cold filling, adopted their respective advantageous processes, after 90 days of hard work, we manufactured a 36, 000 bottles hour sterilized cold filling beverage production line, which reached the
二零零零年三月二十八日,與廣東百氏集團強強聯合,綜合國際最先進無菌冷灌裝技術,引用各自工藝優勢技術,歷時90天,製造了填補國內空白的每小時36000瓶,達到世界先進水平的無菌冷灌飲料生產線,並且一次投產成功,生產了中國第一瓶pet無菌冷灌裝飲料Cancelled nr10 wah ming estate - central nr11 wah ming estate - tsim sha tsui nr12 wah ming estate - cheung sha wan nr13 cheerful park - sheung shui kcr station nr14 green park villa - sheung shui kcr station nr15 choi yuen estate - cheung sha wan nr16 green park villa - central nr17 yan shing court - causeway bay sai wan ho nr18 wing fok centre - cheung sha wan nr19 wing fok centre - tsim sha tsui nr101 wing fok centre - central nr102 tin ping estate - tsim sha tsui nr103 ka shing court - sheung shui circular nr104 tin ping estate - cheung sha wan nr105 belair monte fanling - sheung shui kcr station nr106 cheung wah estate - cheung sha wan nr107 glamour garden - shek wu hui market
(已取消) nr10華明村- -中環nr11華明村- -尖沙嘴nr12華明村- -長沙灣nr13欣翠花園- -上水火車站nr14蔚翠花園- -上水火車站nr15彩園村- -長沙灣nr16蔚翠花園- -中環nr17欣盛苑- -銅鑼灣/西灣河nr18榮福中心- -長沙灣nr19榮福中心- -尖沙嘴nr101榮福中心- -中環nr102天平村- -尖沙嘴nr103嘉盛苑- -上水(循環線) nr104天平村- -長沙灣nr105粉嶺綠悠軒- -上水火車站nr106祥華村- -長沙灣Through analysis of potential vorticity in isobaric surface field, in low - troposphere a positive potential vorticity disturbance exist and form incline disturbance column northward before rainstorm generation, at the same time have also reflected positive potential vorticity disturbance for severe convection weather trigger role in lower - troposphere ; soon positive potential vorticity disturbance in high - troposphere downward, form one vertical disturbance column, now corresponding precipitation develop stage ; in the prosperous stage of rainstorm that maintains isolines of horizontal distribution and still have straight positive potential vorticity disturbance in 600 - 700 hpa isobaric surface field ; when near ground arises negative potential vorticity disturbance, precipitation also weaken
通過對等壓面的位渦分析,發現了在暴雨發生前,在對流層低層有正位渦擾動存在並向北形成傾斜的擾動柱,同時也反映了對流層低層正位渦擾動對強對流天氣的觸發作用;隨后高層正位渦向下擾動,形成一個垂直擾動柱,這時對應降水的發展階段:在暴雨的鼎盛階段, 600 700hpa上空維持水平分佈的等值線,在其上還有正的位渦擾動;當近地面出現負的位渦擾動時,降水隨之也減弱。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」 。However, df pre - processing is not required in a interferometer direction finder. it only makes use of the phase relations or differences of sensors disposed at different position. azimuth and elevation are caculated from the phase differences or displayed directly on a crt drived by the voltage or current from the phase differences
干涉儀測向不必進行測向信號預處理而是直接或間接求取在空間上分開的傳感器上感應電勢之間的相位關系,即干涉相位差,方位角或仰角是直接由干涉相位差計算得到,或將兩基線正交的天線陣的干涉相位差轉化為驅動電壓(電流)分別加到crt陰極顯示器的垂直偏轉線圈和水平偏轉線圈,模擬顯示出來波方位,干涉儀測向為典型的相位測向方法。分享友人