理想射線 的英文怎麼說

中文拼音 [xiǎngshèxiàn]
理想射線 英文
ideal ray
  • : Ⅰ名詞1 (物質組織的條紋) texture; grain (in wood skin etc ) 2 (道理;事理) reason; logic; tru...
  • : 動詞1 (思索) think; ponder 2 (推測; 認為) suppose; reckon; consider; think 3 (希望; 打算) w...
  • : 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 (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...
  • 理想 : ideal
  1. It is impossible, of course, to focalize the sunlight within the human body, so we have to use a kind of high - energy high - penetrability ray such as gamma ray. meanwhile, focalization of gamma ray, not as simple as that of magnifier, should be based on comprehensive utilization of various modern technologies such as nuclear physics, computer, bioradiology and electromechanism

    當然,要在人體內聚焦,用太陽光是不可能的,而必須採用具有穿透力的高能如伽瑪同時,要讓伽瑪聚焦也不像放大鏡聚焦那樣簡單,而要綜合利用核物計算機生物放機電等一系列現代技術才能實現。
  2. By analyzing the microstructure of as - cast alloys with different surplus of samarium added, the optimum surplus of samarium is decided. by comparing the microstructure of the alloys annealed for different time, the ideal and economical annealing time is confirmed. the microstructure and phase composition of alloys during the whole preparation of sm2fe17nx are analyzed using the scanning electron micrograph with energy - dispersive x - ray analysis and x - ray diffraction patterns

    本論文首先就熔煉工藝參數對鑄態組織微結構的影響進行了探討,並制定出一套較為合適的熔煉工藝;通過對不同釤加入量的鑄態組織微觀結構的觀察分析,確定了原料配置過程中釤的最佳補償量;通過對採用不同退火時間的合金組織進行比較,確定了、經濟的退火時間;同時還利用掃描電子顯微圖像和x圖譜,比較了整個制備過程中,試樣微結構和相組成的變化情況。
  3. The dissertation firstly discusses the reflectance of euv and soft x - ray in " multilayer system based on classical electrodynamics and optical characteristics of materials. the nns surface roughness in different spatial frequency range is carefully studied since scattering can seriously reduce the reflectance in euv and soft x - ray wavelength region. we discuss representative model of residual stress in

    首先從材料在極紫外、軟x波段的光學特性出發,討論了極紫外、軟x和非多層膜系中的反特性;研究了影響極紫外、軟x多層膜反率的表面粗糙度的空間頻率范圍;重點探討了多層膜殘余應力的典型模型、應力形成機制以及薄膜的形成過程。
  4. With the experiment part, the errors of sk - 21 nc machine tool have been measured, and a serial of data is gotten which lead to the error discrimination. ( 3 ) based on the kinematical theory of mbs, the calculation methods for the ideal center envelop curve of grinding wheel on cam grinding, the practical cutter track, inverse contour of cam, ideal nc instructions, precision nc instructions, the inner / outer normal and the fitting criterion of curve have been all discussed in detail in this paper

    ( 3 )通過精密加工的約束條件方程,探討刀具路、逆變數控指令與實際刀具軌跡之間的映關系,解決誤差補償技術提高加工精度的核心問題? ?當要求數控磨床的砂輪中心準確到達給定的點時,精密數控指令值究竟該是多少,如何能夠通過計算,獲得這樣的數控指令值,給出經修正的數控指令計算方法。
  5. 2 studying of the properties of cbn thin films afm showed that cbn thin film delaminated from substrate obviously. basing xps, we calculate the nib ratio to be 0. 90 that is closing to unity, and the thickness of hbn layer on cbn layer that is about 0. 80 nm

    根據x光電子能譜,計算得到立方氮化硼薄膜中的n和b的原子數比為0 . 90 ,接近化學配比1 ;立方氮化硼薄膜頂層的六角氮化硼的厚度約為0 . 80nm 。
  6. ( 3 ) the author applied wavelet analysis in the data processing of airborne radioactive survey, and analyzed the effect of wavelet used in spectrum data processing, line data processing and region data processing. the author had proved that the wavelet used in spectrum data processing can gain more true and more ideal information than traditional data processing method, and can accurately identify information which is beyond main energy windows by practice data. the author considered it is effective to extract abnormal information when the wavelet used in line data processing, and it is effective to eliminate the belt of airborne radioactive survey data when the wavelet used in region data processing

    有效的融合了遙感航測信息,提高了工作效率; ( 2 )根據光學有關物性質,製作的模擬反率圖,囊括了tm數據七個波段的信息,使得圖像質量、地物解析度得到了提高; ( 3 )在航放數據處過程中引入了小波分析,系統分析了小波在處單點數據、測數據、測區數據的應用效果;用試驗數據證明了小波處單點數據可得到較傳統數據處方法更為真實、的譜數據,能準確的識別主能量窗以外的信息;認為處數據,可以提取埋藏於噪音中的異常信息;處測區數據,對消除航放數據的條帶有一定的效果。
  7. Our next - generation high - resolution spectrometer is a novel combination of optics and electronics that is ideal for applications such as characterizing lasers, measuring gas absorbance, and determining atomic emission lines

    我們下一代高解析度分光計,是一種新的光學和電子學器件的組合,對在激光特徵分析,測量氣體吸光率和確定原子散等領域的應用很
  8. At the initial stage of planar technique, b was employed as ideal diffusion impurity in base - region of npn si planar devices because of the match of its solid - solubility and diffusion coefficient in si with those of p in emission - region, and the good shield effect of sio2 film to b. but because of the relatively large solubility ( 5 1020 / cm3 at 1000 ) and the small diffusion coefficient, the linear slowly - changed distribution of acceptor b in pn junction can not be formed, which could not cater to the requirement of high - reversal - voltage devics. thereafter b - a1 paste - layer diffusion technology and close - tube ga - diffusion technology had been developed, while the former can lead to relatively large the base - region deviation and abruptly varied region in si, which caused severe decentralization of current amplification parameter, bad thermal stability and high tr ; the latter needed the relatively difficult pack technique, with poor repeatability, high rejection ratio, and poor diffusion quality and productio n efficiency

    在平面工藝初期,由於b在硅中的固溶度、擴散系數與n型發區的磷相匹配, sio _ 2對其又有良好的掩蔽作用,早被選為npn硅平面器件的基區擴散源,但b在硅中的固溶度大( 1000時達到5 10 ~ ( 20 ) ,擴散系數小, b在硅中的雜質分佈不易形成pn結中雜質的性緩變分佈,導致器件不能滿足高反壓的要求,隨之又出現了硼鋁塗層擴散工藝和閉管擴鎵工藝,前者會引起較大的基區偏差,雜質在硅內存在突變區域,導致放大系數分散嚴重,下降時間t _ f值較高,熱穩定性差;後者需要難度較大的真空封管技術,工藝重復性差,報廢率高,在擴散質量、生產效率諸方面均不能令人滿意。
  9. In chapter two we study the transport properties of a curved quantum wire, such as the mixture of transverse modes, suppress of conductance, local density, abrupt change of transmission phase and so on. these properties is compared to those of a perfect quantum wire

    第二章分析了弧形量子的模式混合,電導抑制,局域態密度,透相位突變等性質,並將這些性質與直量子進行了對比。
  10. 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器( cwopos )可以用來拓寬激光的波長范圍,有較寬的調諧區域,是一種的產生相干輻的裝置。由於它的窄寬和寬調諧的輸出特性,也被用於光譜學、相干光通訊、量子光學等領域。
  11. Radio induction is mainly studied in this paper, the traditional radio induction technology has simple structure, lower cost, convenient maintenance and higher location resolution and measuring velocity, but its anti - interference is lower. new radio induction system is proposed in this paper, it has excellent anti - radiated interference of any frequency ( it should be declared specially that it includes the anti - interference of the same frequency ) ; because of its hi gh frequency - pass function, the new radio induction system has less affection excited by the conductive interference

    本論文提出的新型無感應系統對外界所有頻段上輻干擾(特別強調的是包括同頻干擾)具有較的抗干擾能力;由於新型無感應系統起高通濾波作用,傳導干擾對它的影響可以忽略,因此新型無感應系統具有較的抗干擾能力,用在定位測速中具有比傳統無感應技術高2個數量級的精度。
  12. The optimal transmission strategy of a single user multiple - input multiple - output ( mimo ) wireless communication system which the transmitter has only imperfect feedback of channel state information ( csi ) is studied

    摘要研究了發端只有非通道狀態信息反饋的單用戶多輸入多輸出( mimo )無通信系統的最優發送策略。
  13. In fact, hartmann - shack wavefront sensor is affected by the noise of ccd and the constructed error too. in our compare, a bridge is setup, which is the original wavefront composed by zernike polynomial, we transform the original wavefront into far field. then we can compare the accuracy of hartmann - shack wavefront sensor with the accuracy of the system of far field diagnosis in detecting the farfield, using diffraction limit and encircle energy

    我們在進行兩者相互比較的過程中,搭建了一個比較的橋梁,即由zernike多項式組成的各種原始像差波前,將它也變換到遠場作為原始遠場光斑,然後,以它的衍極限和環圍能量曲作為評價標準,比較hartmann - shack波前傳感器和遠場測量系統在光束質量診斷中的探測精度。
  14. It is not only the satisfactory substrate used for the epitaxy growth of infrared detector material hgcdte, but also attractive candidates for the manufacture of high quality x - ray or y - ray detectors, photoelectronic modulator, solar cell, and laser windows etc. no matter what the crystal is used as detectors or epitaxy substrate, it is of vital importanteto obtain high quality cdznte crystals with perfect surface

    它不僅是生長紅外探測器材料hgcdte最的外延襯底,而且還被廣泛用於制備高性能x探測器、光電調制器、太陽能電池和激光窗口等。獲得高性能、高質量的czt晶體是至關重要的。無論是作探測器還是作外延襯底等都要求它的表面質量要非常高,因為表面質量會直接影響到器件的性能。
  15. Under the analogue environment, television signals are subject to interference by other signal sources such as power line, reflections from buildings, etc. the reception quality is therefore less than ideal

    模擬系統所傳送的電視訊號容易因被其他可影響訊號的事物例如:電建築物的反等干擾而失真,因此,所接收的畫面及聲音質素未能符合
  16. We analyze the generation of external cavity frequency - doubling with knbo3 crystal theoretically. in order to get the second - order nonlinear conversion from 858nm to 429nm with knbo3, we use non - critical type - i phase - matching to avoid the walk - off effect the corresponding optimum focusing condition is as followings : double refraction parameter b = 0, focus parameter = 2. 84, optimum phase mismatch parameter = 0. 574. based on the theoretical analysis and numerical calculations, we obtain the ideal nonlinear conversion coefficient about 1. 45 % / w with crystal length of 7mm and 2. 07 % / w with crystal length of 10mm at the phase - matching temperature around 23. 50c

    根據對其倍頻原及性能的分析討論,在用該晶體完成波長從858nm到429nm的二階非性轉換時,採用非臨界相位匹配條件(此時無離散效應,對應的雙折參數b = 0 ,共焦長度為= 2 . 84 ,最佳相位失配因子為= 0 . 574 ) ,在相位匹配溫度約為23 . 5時,論上通過計算得到情況下非性轉換系數約為1 . 45 / w (長度為7mm ) , 2 . 07 / w (長度為10mm ) 。
  17. The recovery can reach 95 % after it extracts once, rsd % is lower than 10 %, the detection limit of zirconium is 1. 3u. g / ml. and increasing the application of film in xrf is studied. the method of using organic sample to make resource after extracted by tta can be used to determine zirconium in simulated p rocess solution of spent fuel reprocessing quickly and veraciouly

    萃取一次便可達到的萃取效果,回收率可達95 ,相對標準偏差10 ,鋯的檢出限為1 . 30 g / ml ,同時改進了薄膜法在x熒光光譜法中的應用范圍,此方法採用tta萃取分離的有機相直接制源可快速、準確地對測定purex模擬工藝料液中的鋯含量。
  18. Synchrotron radiation source ' s excellent characteristic made it as ideal euv and soft x - ray standard source, the spectrum can be calculated from the storage ring parameters

    同步輻的一系列優異的特性決定了它是非常的極紫外和軟x標準光源,輻光譜可以通過存儲環的參數計算得到。
  19. The integrated analyzing and sorting toward ids data, the accurate forecasting of the intruders and common visitors etc, all come down to the multiple data conformity disposal. therefore, it is vitally important to develop a perfect nonlinear conformity disposal method. however, some favorable characters of ann can content these ids working demands perfectly, in additon, the capability of nonlinear mapping of ann also make sure that the system can execute simple or complex classification and save the information into the coefficent of connecting power, maintain the network robust and fault toleration. so more and more people alter one after another their working focus to the nonlinear mathematic model based on the ann in order to resolve the complex problems in ids system much better

    入侵檢測工作屬于分類識別問題,其中存在著大量的非性問題,對入侵檢測資料進行綜合分析與分類,準確判別惡意訪問和正常訪問等都涉及到多資料的整合處,因此研製的非性整合處方法是非常必要的,而神經網路由於其內在的對不確定性的學習與適應能力,恰好能滿足入侵檢測工作分類識別的需求,另外神經網路的非性映能力也是保證其成功實現各種簡單或復雜分類的主要原因,它將信息分散式存儲于連結權系數中,使網路具有較高的容錯性和魯棒性。
  20. In this thesis, based on this kind of application, we made theoretical analysis and engineering practice on high - precision lfmcw and its signal processing millimeter wave broadband lfmcw radar has quite high theoretical range - precision and distance resolution, however, for the real radar system, the nonideal parameter of its transmitting signal, such as power fluctuation and the nonlinearity in frequency sweep, will result in the decreasing of the practical rang - precision and the distance resolution of radar

    本文基於這一應用對高精度lfmcw測距雷達及其信號處進行了論分析和工程實踐。毫米波寬帶lfmcw雷達具有很高的論測距精度和距離分辨力,但對于實際的雷達系統,其發信號的非參數-掃頻功率起伏和掃頻非性,將使得雷達的實際測距精度和距離分辨力下降。
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