波道輻射 的英文怎麼說

中文拼音 [dàoshè]
波道輻射 英文
channeling radiation
  • : 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...
  • : Ⅰ名詞(道路) road; way; route; path 2 (水流通過的途徑) channel; course 3 (方向; 方法; 道理) ...
  • : 名詞(車輪中車轂和輪圈的連接物) spoke
  • : 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) ...
  • 輻射 : radiation; exposure; radio; beaming
  1. The main research advances can be summarized as follows : ( 1 ) study the signal processing ' s performances and methods of homing torpedo system comprehensively, in order to setting up a corresponding mathematical models ; ( 2 ) analyze the ocean channel ' s effects on the work of homing system, then found some models such as target echo signal, noise ( including background noise, target radiating noise, etc ), ocean reverberation. according to them, simulate the array signal ; ( 3 ) the system structure, every function blocks composing are studied and founded thoroughly. then, discuss methods of signal processing in time domain and airspace domain ; ( 4 ) program the simulation software of torpedo ' s homing system according to the simulation models and flow charts, which connected with torpedo ' s control part

    本文所作的主要工作及研究成果主要有以下幾個方面: ( 1 )對自導工作過程中的信號與信息處理的基本理論與方法進行了較為全面的研究,為建立一個較為完備的自導模擬系統提供了理論基礎; ( 2 )討論了自導系統工作過程中海洋通對目標回信號與目標噪聲信號等的影響,建立回信號的數學模型、環境場中的噪聲信號模型(包括海洋環境噪聲、目標噪聲與魚雷背景噪聲等)與海洋混響模型,模擬產生了聲自導系統基陣接收到的回信號與噪聲信號; ( 3 )深入研究並建立了自導模擬系統的總體框架,給出各個具體功能模塊組成,討論了聲自導系統對信號的時域與空域處理,並結合模擬程序中陣列信號處理模塊,給出固定多通束形成的模擬實現過程; ( 4 )根據系統的模擬模型與已建立的模擬流程圖編制了通用魚雷模擬器自導系統模擬軟體,通過網路與控制系統相連,組成完整的魚雷模擬器。
  2. These may be either narrow informal elongations of the park, varying say from 200 to 500 feet in width and radiating irregularly from it, or if, unfortunately, the town is already laid out in the unhappy way that new york and brooklyn, san francisco and chicago are, and, i am glad to say, boston is not, on a plan made long years ago by a man who never saw a spring carriage and who had a conscientious dread of the graces, then we must probably adopt formal parkways

    也許會有一些狹隘的不正式的對到公園路線的延長,以及從公園不規則的出的200到500英尺寬不等的路,或者,如果,不幸的是,城市已經按照一種令人不愉快的方式發展了,就像紐約,布魯克林,舊金山和芝加哥那樣,當然,我可以高興的說,這不包括士頓,在很久以前一個無視春天的氣息並且對一切美好事物都充滿無盡的恐懼的糟老頭制定出了這糟糕的城市建設計劃,所以,我們大概必須使用正規的路做法。
  3. Based on mono - pulse radar system and the analysis of terrain echoes, a geometrical model of air to ground ranging is constituted. by using the signals received from the sum and difference channels of terrain follow radar, a group of the expressions for terrain echoes are educed and characteristics of these echoes are obtained. according to the characteristics of the echoes, the theory and method of pass zero detection of difference channel and its applications are discussed in detail

    針對一維單脈沖雷達體制,分析了地形目標回特性;建立了地形跟隨雷達空地測距的幾何關系;利用雷達收發信號,導出了地形跟隨雷達和差接收通的回信號表達式,進行了形模擬,得到了地形跟隨雷達的地面散產生回在時域中的特性;根據和差回特性,闡述了差信號過零點檢測測距的原理和方法及工程實踐中的應用,並給出了真實雷達對外試驗的結果,驗證了文中的模擬。
  4. Undergraduate sports city is located in the center that the first radiate encircles shenzhen urban district, distance downtown makes an appointment with 15 kilometers, circumjacent area makes a road net not only concentrated, have 4 quick ways and 1 is passed in the orbit traffic line that build, more continuous and ceaseless immortal mountain, timbal mountain makes a natural green protective screen, the dragon mouth reservoir of overflow of green jade heave brings infinite lease of life

    大學生體育城地處深圳市區第一圈的中心,距離市中心區約15公里,周邊區域不僅交通路網密集,有4條快速路和1條在建的軌交通線通過,更有連綿不斷的神仙嶺、銅鼓嶺構成一天然的綠色屏障,碧蕩漾的龍口水庫帶來無限的生氣。
  5. Energy from the sun gives warmth and sustains all life on earth. the sun also emits radiation of different wavelengths, among which is the invisible ultraviolet radiation

    但大家可知這熾熱的火球同時也在源源不絕地釋放著不同長的,其中包括我們看不見也觸摸不到的紫外線。
  6. Ultraviolet radiation from the sun energy from the sun gives warmth and sustains all life on earth. the sun also emits radiation of different wavelengths, among which is the invisible ultraviolet ( uv ) radiation

    但大家可知這熾熱的火球同時也在源源不絕地釋放著不同長的,其中包括我們看不見、也觸摸不到的紫外線。
  7. For other parts of the spectrum, such as the ultraviolet, satellites are necessary to see what objects in space are doing.

    譜的另外一些部分,如紫外,必須利用衛星才能知是宇宙中什麼天體產生的。
  8. A patch antenna with air holes in the substrate has been designed. the finite - difference time - domain ( fdtd ) method together with the perfectly matched layer ( pml ) boundary treatment has been used to study the performance of the antenna. it is shown that the surface waves are significiently suppressed, the frequency bandwidth is improved, the sidelobe levels are reduced and consequently the gain in the forward direction is improved by 14 db ( about 4 db higher than the value reported previously )

    設計了一種基底鉆周期圓孔結構的電磁(光子)晶體貼片天線,用fdtd方法並結合pml吸收邊界條件對該天線進行了研究,結果表明本文所設計的基底鉆孔型電磁晶體貼片天線取得了多方面的性能改善,與普通天線相比,基底中的表面受到很大抑制,天線的帶寬增加,遠場方向圖上天線的旁瓣和背瓣被明顯削弱,向前的增益由原來的12db增加到26db ,增加了14db ,比文獻上報的gonzalo等人的研究結果提高了4db 。
  9. Analyzed the relationship between the cloud shortwave radiative forcing and the surface net radiative flux, the results were show by means of chart. the satellite grey values were get form the gms satellite data. analyzing the relationship between the cloud shortwave radiative forcing and the satellite grey values, established five regression equations and discussed them, select the best pattern, by which we can estimate the cloud shortwave radiative forcing

    同時利用gms衛星紅外和可見光兩個通的數字雲圖資料,經過處理,分別得出雲圖的灰度計數值,分析了短強迫和衛星計數值的關系,並運用回歸方法建立了估算短強迫的五種模式,對五種模式進一步討論比較,得到估算短強迫的可用模式,用於短強迫的估算。
  10. With furfurol and acetophenone as raw materials, 2 - furfurylideneacetophenone was synthesized by naoh as catalyst under ultrasonic irradiation

    摘要報以呋喃甲醛和苯乙酮為原料,氫氧化鈉為催化劑,採用超聲合成糠叉乙酰苯的方法。
  11. The ferrocenylchalcone derivatives were synthesized by the reaction of acetylferrocene and aromatic aldehyde using sodium hydroxide as catalyst in ethanol solvent under microwave irradiation

    摘要報了在微條件下,以乙醇為溶劑,固體氫氧化鈉為催化劑,使芳醛與乙酰基二茂鐵反應合成二茂鐵基查爾酮。
  12. By the late 1980s, scientists had learned that methane traps more heat than an equivalent concentration of co2 because it absorbs a wider range of wavelengths of earth ' s outgoing radiation

    1980年代後期,科學家即知甲烷捕捉的熱大於等濃度的二氧化碳,因為散發自地球的中,甲烷能吸收的長范圍較廣。
  13. This thesis researches the design and implementation of underwater high - speed multi - channel data acquisition and processing system. there are some contents to be presented including designing a set of noise signal generator ; design and implementation of underwater nosie high - speed multi - channel data acquisition and processing system ; programming the windows 2000 device driver cl pci and usb with ddk2000 ; programming user interface of the control of the acquisition and display of the image with vc + + 6. 0

    本論文對高速多通採集和處理系統的設計和實現進行了研究,論文的主要研究工作包括:設計一套模擬噪聲源;根據水下目標噪聲的檢測和識別要求進行了高速多通採集和處理系統的設計和實現研究;完成了相應的pci 、 usbwindows2000驅動程序的開發;使用vc + + 6 . 0編寫了採集控制和形顯示界面。
  14. Then the temperature and spectral emissivity of material is calculated through processing the information data. this method has been quickly developed in the latest years because of the capability to get true temperature and emissivity without auxiliary instruments or other additional information

    測溫法是在一個儀器中製成多個光譜通,利用多個光譜的物體亮度測量信息,經過數據處理得到物體的溫度和材料的光譜發率。
  15. Climatic mean map, it is further confirmed that it s a good approach to retrieve the equatorial zonal circulation by using the ir indicate ascending branch and wv indicate descending branch channels. the definition of the index of zonal circulation with the olr and fwv are presented and the 17 years mean annual and seasonal equatorial circulation are drawn. the climatic characteristics of the equatorial zonal circulation are analyzed in detail. consequently the fore results of the other observation are corrected

    通過耳茲曼公式換算得到的6 . 7m水汽通量密度,以便於與olr比較與ncep再分析的500hpa的年氣候平均圖進行比較,分析其異同,進一步證明了用衛星觀測的紅外,水汽雙通olr表示上升運動, fwv表示下沉運動去反演緯向垂直環流是一個極好的途徑。
  16. Abstract : the emission spectrum of nitrogen gas behind normal shock wave at different moments is measured with an optical multichannel analyser

    文摘:利用多通光學分析儀測量激后不同時刻高溫氮氣的光譜發現,隨時間發生強烈的變化。
  17. This paper analyzes the characteristics of geomorphology, geology, stage and wave, etc. in the area with radial sand bars, mainly describes the features of plane layout, waterway and hydraulic structures of dafeng port and l si port at this kind of area, summarizes the design and construction experience, and puts forward factors of consideration and matters of attention in future design and construction at the area

    摘要分析狀沙洲地區動力地貌、地質、水位、浪等的特點,重點論述位於沙洲地區的大豐港、呂四港的碼頭平面布置、航、水工結構的特點,總結設計和施工經驗,提出以後該區域設計、施工須考慮的因素和注意的問題。
  18. Topics covered include : statistical analysis of signal processing systems, including radiometers, spectrometers, interferometers, and digital correlation systems ; matched filters and ambiguity functions ; communications channel performance ; measurement of random electromagnetic fields, angular filtering properties of antennas, interferometers, and aperture synthesis systems ; and radiative transfer and parameter estimation

    主題包含了信號處理系統的統計分析;儀、光譜儀、干涉儀及數位關聯系統;匹配濾器、未定值函數;通信通的效能;隨機電磁場之量測;天線的角度濾特性;干涉儀與孔徑合成系統;轉換與參數估計。
  19. Microwave radiation was detected from all directions in the sky. later on, scientists realized that the origin of this radiation is cosmological. the spectrum matches with that emitted by a blackbody of temperature 3k

    1965年,科學家發現天空任何方向皆可偵測到微,這是一個重要的天文發現,但研究員卻懵然不知,后來才知這些微來自宇宙,而這些的光譜對應于絕對溫度為3k的黑體
  20. Information about the shadow of the electron orbital as seen by the traveling electron wave is imprinted on the ultraviolet emission

    藉由行進中的電子所獲得關于電子軌投影的資訊,會包含在出的紫外線中。
分享友人