線性輻射器 的英文怎麼說

中文拼音 [xiànxìngshè]
線性輻射器 英文
linear radiator
  • : 名詞1 (用絲、棉、金屬等製成的細長的東西) thread; string; wire 2 [數學] (一個點任意移動所構成的...
  • : Ⅰ名詞1 (性格) nature; character; disposition 2 (性能; 性質) property; quality 3 (性別) sex ...
  • : 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) ...
  • : 名詞1. (器具) implement; utensil; ware 2. (器官) organ 3. (度量; 才能) capacity; talent 4. (姓氏) a surname
  • 線性 : [數學] [物理學] linear; linearity線性代數 linear algebra; 線性方程 linear equation; 線性規劃 line...
  • 輻射 : radiation; exposure; radio; beaming
  1. Abstract : radiate thermometer uses a high definitive operation circuit in the modulation and linerization of weak optical signals. the theory of colorimetry was used in measuring the temperature. analogic channel and digital interfaces were added in order to expand the instrument. a kind of double channel ' s photocolorimeter including its hardware and software is introduced

    文摘:測溫計採用高精度運算電路,對光弱信號進行調制和化處理,運用比色法原理對溫度進行檢測.為了便於儀擴展,增加了模擬量輸出和數字介面,並對光纖式雙通道比色高溫儀的硬體與軟體的關鍵部分作了簡要介紹
  2. Elliptical waveguides have found wide applications in a variety of microwave components : waveguide filters, radiators, resonators, and wide - band transmission lines, etc. periodic - loaded waveguides play very important roles in high - power microwave tubes, corrugated antennas and linear accelerators

    在各種微波件如濾波、諧振和寬帶傳輸中橢圓波導有著廣泛的應用。周期加載波導在高功率微波管、波紋喇叭和加速等中起著重要作用。
  3. First, it was taken that a discuss about the effects of geometry parameters of each piezocrystal on direction parameters ( main lobe width, side lobe amplitude, elimination of grating lobes ), amplitude of ultrasonic pressure, element viberation pattern, mutual radiation among elements, efficient test regions, ability to keep accurate and near - field distance and so on. based on the direction of ultrasonic field in ulpa deduced by ourselves. in addition, on the base of integrating all kinds of factors, it was put forward that the principle and method for optimized design of geometry parameters of piezocrystals in ulpa transducer, and its design programme and interface were compiled

    首先在推導超聲相控陣換能聲場的指向的基礎上,就各個晶片幾何參數對指向指標(主瓣寬度、旁瓣幅度、消除柵瓣) 、聲壓幅值、陣元振動模式、陣元間互、有效檢測區域、精確控制能力、近場長度等方面的影響進行了論述,並在綜合各方面影響的基礎上,提出了晶片幾何參數優化設計的原則和方法,編寫了設計程序和界面。
  4. Nonlinear behavior of the radiation field in milo

    磁絕緣傳輸振蕩場的非行為
  5. However, in the pulse application fields, the output pulse energy from single mode fiber lasers or amplifiers is limited by amplified spontaneous emission ( ase ), nonlinear effect and facet damage

    在脈沖激光應用領域中,這類小芯徑光纖放大和激光的輸出脈沖能量受限於自發放大、非效應以及光纖的端面損傷。
  6. The result shows that the pbg structure has obvious character of forbidden band at the suitable size, and can be designed to good performance microwave filter. the pbg structure have the character of high resistance, that can reinforce the forward radiation, and reduce the backward radiation, increase the directivity, improve the gain and ameliorate the performance of the antenna. in addition, the pbg structure can also greatly increase the isolation and significantly decrease the coupling between the antenna elements

    研究結果表面,取合適的尺寸時, pbg結構具有明顯的禁帶特,可以設計成能良好的微波濾波; pbg結構具有高阻特,把這種特用於微波天時, pbg結構可以加強前向,減小後向,增大天的方向系數,從而提高天的增益,改善天能,另外, pbg結構還可以大大提高天單元之間的隔離度,顯著減小天單元間的耦合。
  7. Kapton is used extensively on spacecraft primarily as flexible substrates for lightweight, high - power solar arrays because of its inherent strength, temperature stability, excellent insulation properties, ultraviolet ( uv ) stability and infrared ( ir ) transparency. however, polymeric material undergoes severe degration after being exposured on atomic oxygen ( ao ) in low earth oribit ( leo )

    聚合物kapton由於具有較高的比強度,優越的熱穩定、絕緣、紫外穩定及紅外穿透功能,是航天飛行常用的材料,但由於空間環境中的原子氧對這種材料造成極大的損害,大大限制了這種材料在空間環境下服役時間。
  8. Abstract : in the field of optical wireless links, concentrators that are designed by the tools of nonimaging optics can be used to collect the light radiation and are more compact and have higher collection efficiencies than imaging concentrators. hemispherical concentrators are studied by ray tracing, then for several normal nonimaging concentrators : hemispherical concentrators, compound parabolic concentrators ( cpc ), dielectric totally internally reflecting concentrators ( dtirc ), simultaneous multiple surfaces concentrators ( sms ) and inhomogeneous media concentrators ( poisson bracket ), the design methods and the performances e. g. the gain and the field of view ( fov ) are compared as well as the application suggestion

    文摘:在無光通信領域,利用非成像光學設計的集中能夠聚集光能量,而且相對于成像集中具有更緊湊的結構和更高的增益.利用光追跡法對半球形集中質進行了分析與研究.對好幾種非成像集中:半球形集中,復合拋物形集中,介質內部全反集中,多表面集中,多相介質集中,從設計原理、增益和視場進行比較,並分析其應用場合
  9. Through the theory of light radiation and intensity, we can use the fewest leds to satisfy the luminous intensity demand. through image segmentation theory, we can accurately pick module up from the test stripe when it is put in wrong directions. through image processing theory, we can acquire correct information and avoid the bad effects from the asymmetric chemistry reaction and instability of the devices

    用光的和強度理論,我們計算出了獲得足夠圖像強度所需的最少光源;用圖像分割理論,我們在試紙條傾斜放置或有垂直方向上的偏移時,準確地提取出了各模塊的數據;用平滑濾波和均值濾波理論,我們濾除了由於反應不均勻及硬體設備不穩定帶來的噪聲;用交遇區設計分類的方法,我們降低了有限樣本設計分類帶來的誤差,提高了檢驗準確度。
  10. Advanced weaponry and new tactical capability and communications combined with an increased weapons load of mark 48 anti - submarine torpedoes, harpoon missiles and tomahawk cruise missiles, which allow seawolf to operate from under arctic ice to shallow water close to shore. the seawolf was a product of the cold war, conceived to maintain the usa acoustic advantage over soviet submarines. with the end of the cold war and the change of emphasis to littoral operations, the cost of the seawolf submarines was judged prohibitive and the programme was curtailed in favour of the smaller and cheaper virginia class new attack submarines

    「海狼」級擁有強大的攻擊力:為了能夠獲得並保持戰場的主動權,該艇裝備有8具660mm魚雷發管,攜帶的武有: slam陸攻型戰斧式巡航導彈,程485海里, ssm反艦型戰斧式巡航導彈,慣制導主動雷達反制導,航速0 . 7馬赫,程250海里,魚叉反艦導彈,航速0 . 9馬赫,程70海里mk48adcap魚雷,直徑660mm ,有制導,航速55節,程27海里。
  11. Examples of prohibited articles are dangerous drugs, chemicals that are essential for the manufacturing of dangerous drugs or psychotropic substances, firearms and ammunition, strategic commodities, pharmaceutical products, medicines, radioactive substances, irradiating apparatus, radio transmitting equipment, endangered species, animals and plants, pesticides, ozone depleting substances, textiles, rough diamonds and certain foodstuff

    禁運貨品包括危險藥品、製造危險藥品或精神藥物所需的化學品、槍械及軍火、戰略商品、藥劑產品、藥物、放物質、照儀、無電發送具、瀕臨絕種物種、動植物、除蟲劑、耗蝕臭氧層物質、紡織品、未經加工鉆石及若干食品。
  12. The basic principle, main properties, typical parameters, technical characteristics and general situation of klystron are introduced. the electron beam prebunching in the modulated cavity and shift tube of relativistic klystron amplifer ( rka ) is studied analytically, a self - consistent equation of radiation generated by the prebunched electron beam in the radiation cavity is derived using the field method of particle ? wave interaction instead of the electrical circuit method, and in terms of it, the gain in the linear regime calculated, a field analysis method is proposed. the theory analysis shows that the characteristic parameters, such as resonance frequency, real part of gap - impedance, external quality fadtor in all kinds of klystron output circuits including single - beam, multi - beam, single - gap, multi - gap, single - beammulti - gap, multi - beam multi - gap klystron output circuit, can be calculated by the field analysis method

    本文系統的介紹了速調管的工作原理、主要特點、發展概況、主要能指標和技術特點,解析的研究了電子束在相對論速調管放大的調制腔和漂移管中的預群聚;用粒子波互作用的場方法導出了在腔中預群聚電子束產生的自洽方程,同時對區的增益進行了計算。理論分析表明,場分析法可用於計算單注單間隙、多注多間隙、單注多間隙和多注多間隙速調管輸出迴路的諧振頻率、間隙阻抗實部和外觀品質因數等特參數。
  13. In this paper, a novel folded groove waveguide slow - wave structure is proposed with the foundation of folded waveguide and grooved guide. high frequency characteristics of such sws are also analyzed in this paper. the main works are listed as follows : 1

    本論文以曲折波導慢波系統和槽波導傳輸為基礎,綜合二者的優點和目前曲折波導在thz振蕩中遇到的問題,提出一種新型的曲折槽波導慢波系統的概念,並對這種新型慢波結構的高頻特進行了詳細的研究。
  14. Continuous - wave optical parametric oscillators ( cw opos ) are an attractive source of coherent radiation in applications for which laser sources are unavailable or for which wide tunablity is needed, cw opos have remarkable features of operating with narrow linewidth and broad tunablity

    連續波光學參量振蕩( cwopos )可以用來拓寬激光的波長范圍,有較寬的調諧區域,是一種理想的產生相干的裝置。由於它的窄寬和寬調諧的輸出特,也被用於光譜學、相干光通訊、量子光學等領域。
  15. Production test of the production line is showed that anneal furnace combustion system with regenerative radiant - tube combustor compare with conventional radiant tube burner not only have superiorities on saving energy and environmental protection but also have advantages on temperature distribution and temperature control properties

    生產試生產的情況表明,退火爐燃燒系統使用蓄熱式管燃燒比使用常規管燃燒不僅在節能、環保方面具有優勢,而且在加熱均勻和爐溫控制方面也有一定優越
  16. After measuring dark current, photocurrent and response to x pulse of gaas detector before and after 1. 7 mev electronic radiation, the response tune, fall time of trailing edge, full width of half maximum ( fwhm ), sensitivity, carrier life, mobility are researched and contrasted. the result shows that the response speed of detector, time resolution ratio and nonlinear of back edge of output signal have been improved greatly after electronic radiation. though sensitivity of the detector reduces, its measuring range can be widened

    為了使探測能得到進一步的提高,我們對其進行了電子照改,並測量了本徵砷化鎵探測和經過1 . 7mev電子照的探測的暗電流、光電流及對x的脈沖響應,並對其響應時間,后沿下降時間,半高寬( fwhm ) ,載流子壽命,靈敏度進行對比,研究,結果顯示經電子照后的探測能得到了改善,使響應速度,分辯率進一步提高,並消除了探測輸出信號后沿的非,雖靈敏度有所降低,反而使其測量范圍得以拓寬。
  17. Adopting the amendatory rate equation, the threshold of the micro - cavity has been studied and the conclusion is shown as following : if there is not non - radiation transition, the pump velocity just need to compensate the photon velocity escaped from the cavity, and the intensity of output light will direct ratio to the intensity of input light then we got a micro - cavity laser with no threshold

    採用修正的速率方程對微腔激光的閾值進行研究,得到如下結論:在沒有無躍遷時,激光的泵浦速率只需恰好補償光子向腔外的逃逸速率,輸出光強隨著輸入泵浦光強增加,實現所謂的「無閾值」激光
  18. In the primary experimental study, the microwave power, the microwave frequency, and the mode are measured, hie relations among the microwave radiation, the intensity of the magnetic field, the position of the magnetic coil, the amplitude of the beam current, and the a - k gap are investigated

    在初步的微波實驗中,測試了微波的功率、頻率和模式,測試了磁場強度和圈位置對微波輸出的影響,測試了束流大小和陰陽極間距對微波輸出的影響。實驗結果發現微波的功率和模式基本與模擬結果吻合,件工作穩定,重復良好。
  19. The other has two metal - insulator - semiconductor ( ms ) contacts with lower leakage current ( less than 4 pa, 300v ) and better energy resolution ( about 10 % fwhm for 241am 59. 5kev line ) and poor working stability. in theoretical studies, the analysis on the phase equilibrium in the vapor growth of cdse single crystals shows that the stoichiometry of cdse crystals can be controlled effectively by controlling the stoichiometry of starting materials and the vapor growth temperature. besides, the investigation of the transporting properties of charge carries in cdse detectors indicates that the noise in energy spectrum detected by using the detectors with msm structure is caused by the hole injection, which is induced by electron injection and the light injection

    本文把cdse單晶體的生長、單晶體的成分、單晶體的能以及單晶體在室溫核探測中表現出來的能結合起來進行了比較系統的研究;採用垂直無籽晶氣相提拉法生長出了電阻率為10 cm量級、尺寸為中10mm 30mm的單晶體;制備出了能量解析度達10 ( fwhm ) (對~ ( 241 ) am59 . 5kev譜而言)的cdse室溫核探測,取得了較好的研究結果。
  20. This thesis will introduce a new terahertz source which based on vacuum electronics, transmission characteristics of the high frequency system and the process of interaction between electron beam and the high frequency traveling - wave have been researched, which offers basic technology for further deep development of terahertz source technology basd on vacuum electronics in our country

    本文將介紹一種基於真空電子學的新型太赫茲件,對其路特進行研究以及高頻系統中注波互作用過程進行數值模擬計算,為國內真空電子學太赫茲源的研究奠定了一定的技術基礎。
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