線的一束 的英文怎麼說
中文拼音 [xiàndeyīshù]
線的一束
英文
hank-
In this situation the helplessness of aesthetics was revealed in all its severity : not a single aesthetician could place bounds to this anarchy by drawing the boundary lines between art and pseudo - art
在這種情況下，美學的無能被揭發得淋漓盡致：沒有哪怕一位美學家能通過在藝術和偽藝術之間劃定一條邊界線來約束一下這種無政府主義狀態。To select a cylindrical plane cathode ; to design proper focus electrodes in order to control the formation of beam in methods of solving equations, electrobath and simulation aided by computer. to correct effects of anode hole and work out curves of designing guns ; to discuss plasma cathode guns at last
選用圓形平面陰極;設計恰當的聚束極形狀以控制電子束的成形，並使用解析法、電解槽法和數值方法三種方法進行設計;考慮陽孔效應對電子束傳輸的影響，修正陽孔效應，給出電子槍設計曲線;最後討論一下等離子體陰極電子槍。The electronic temperature, intensities of all lines and continuous spectra gradually increased with the increment of laser energy, and they got to maximum at different laser energy. our results of copper and aluminum show that there are possibly different thresholds of laser energy to electronic temperature and intensities of emission spectra of laser ablated plasma. at the different environmental gas pressure, spatial emission intensity distribution is explained by the competition among " heat reservoir effect ", " confined effect " and " s hadow effect "
認為cu等離子體羽的發光機制是由電子與粒子的碰撞傳能、電子與離子的復合形成的；隨激光能量的增加， cu等離子體特徵輻射（分立譜） 、連續背景輻射（連續譜） 、電子溫度都出現最大值；結合對al的實驗結果說明：激光燒蝕金屬產生的等離子體，其特徵輻射、連續輻射、電子溫度可能都存在一定的能量閾值；背景氣壓對激光燒蝕等離子體譜線的影響，其機理可以認為是「熱庫效應」 、 「約束效應」及「陰影效應」相互競爭的綜合結果。The article believes, on this " becoming " theory point, the leisure philosophy of confucianists aimes at becoming saint and wisdom, and its character is automomy, so man gets happiness of growing up from it ; the confucianists are based on emotion principles in leisure experiencing, they advocate that people taste the meaning and pleasure of life in this way, which break away from themselves, society and god ; the confucianists take a social leisure mad in leisure organizational system, the confucian and music as a read line to impenetrate the whole social organizational system, and they make the social organizational system become the guarantee system and social environment, from which man can obtain self - fulfillment and experience enjoyment
認為，在「成為」理論方面，儒家休閑哲學以成聖成賢為目標，以角色履行為途徑，以自主性為特徵；在休閑體驗方面，儒家以情感原則為基礎，提倡從擺脫自身、社會和「天」的約束中體驗生命的意義與人生的快樂；在休閑建制方面，儒家走社會休閑化的道路，禮樂作為一個紅線貫穿在整個社會建制中，使社會建製成為人自我實現、體驗快樂的制度保障和社會環境。When electrons move in spirals around magnetic lines of force, radio waves are produced and radiated out along the two magnetic poles of the star. usually, the rotational axis of the neutron star does not align with the magnetic axis. the radiation beams will sweep around and create the
通常恆星的自轉軸和磁軸並不一致，中子星亦不例外，所以沿著磁軸向外發射的無線電波束，在中子星自轉的帶動下，便會如燈塔般向宇宙掃射，這便是著名的In this paper matlab and vb are used to build a software which can predict absorption coefficient ' s of the underwater anechoic coatings from these analytical models. finally, some algorithm of the single parameter minimization, nonrestraint nonlinear minimization and restraint minimization in the optimization design theory are studied. the formulas of absorption coefficient of these analytical models are object functions
本論文利用各種解析模型的聲學設計理論，使用matlab與vb軟體建立了一套水下消聲覆蓋層吸聲系數預報軟體，研究了最優化設計中單參數最小化、無約束非線性最小化和有約束最小化理論的一些演算法，利用現有模型的吸聲系數計算公式作為目標函數，初步優化了一些結構的材料參數。Like the searchlight beam, the radio beam cannot be made very sharp; it tends to spread.
無線電射束也象探照燈的光束一樣，是不能高度集中的；它總要散開。Notice that in both these examples the radio beam generated for one cell - phone user does not reach the other
注意，在上述兩例中，針對其中一名用戶產生的無線電波束，並不會抵達另一位用戶的所在位置。An antenna array that is truly smart would be able to aim a radio beam directly at a mobile user instead of choosing a beam that comes relatively close
一個真正聰明的陣列天線，必須能夠直接把波束瞄準行動用戶，而不是選用與用戶較為接近的波束。And when the array transmits back to the cell - phone user, the processor sends an out - of - phase signal to one of the antennas, generating a radio beam that runs from north to south
當陣列發射訊號給行動電話用戶時，處理器會傳送一個異相的訊號到其中一個天線，產生由北往南的無線電波束。Because the processor is fast enough to perform this task many times a second, the array can continually readjust the radio beam as the cell - phone user walks or drives across the array ' s coverage area
因為處理器的速度很快，可在一秒內執行多次工作，所以當行動電話用戶在陣列涵蓋?圍內行走或開車時，陣列可不斷重新調整無線電波束。As the vital development of the millimeter wave guidance technology, phased array antennas use electrical control scanning beam, which results to faster scanning velocity, more flexible beam control and higher anti - interference ability. thus it can realize target seeking, tracing, guidance at the same time, and can work in the complex and worsening condition
作為毫米波制導技術的一個重要發展方向，相控陣制導技術中的相控陣天線是採用電控方式掃描波束，掃描速度快、波束控制靈活、抗干擾能力強等，可以同時完成目標搜索、跟蹤、引導等多項功能，能工作在日益復雜和惡化的工作環境中。The third showed the pinnacle of an iceberg piercing a polar winter sky : a muster of northern lights reared their dim lances, close serried, along the horizon
第三幅畫的是一座冰山的尖頂，刺破了北極冬季的天空，一束束北極光舉起了它們毫無光澤密布在地平線上的長矛。Parabolic antenna in a widely used is tracking antenna area, by use the optimum design, it may produce a very narrow beam, it ' s tracking precision is high, but because it ' s beam width is very narrow, the searching target is very difficult
摘要拋物面天線是火控雷達中普遍使用的一種跟蹤天線，通過系統優化設計，可以形成很窄的波束，所以其跟蹤精度很高，因為其波束很窄，所以搜索發現目標困難。In this paper, taking the measured error sound velocity profile as the initial guess value, the sound beam travel times and beam angle recorded by the multi - beam system and the generalized linear inversion method are used to get a sound velocity profile close to the actual sound velocity profile, and the inversed sound velocity profiles have contributed to the reduction of sound velocity profile error
摘要以測得的誤差聲速剖面作為初始猜測值，利用多波束記錄到的波束傳播時間和波束角等信息，通過廣義線性反演得到一個與實際聲速剖面比較接近的聲速剖面，這有助於減少聲速剖面的誤差。The button electrode is one that widely used in high energy rf accelerators, such as storage ring, and the bpm made of button electrodes has many merits like high accuracy, high resolution, resisting magnetic field, simple machinery, without magnetic core and low cost, etc. so we want to use the button electrode as the bpm in high current accelerators like the lia
鈕扣電極束位置探測器是一種廣泛應用於射頻加速器儲存環等高能弱流加速器的一種束位置測量裝置，它具有測量精度高、解析度高、不受磁場干擾、機械結構簡單、無磁芯、造價低廉等特點。只是，至今未見有關這種束位置探測器在強流加速器（如，直線感應加速器）上應用的報導，如能將鈕扣電極束位置探測器應用於lia ，將是一件很有意義的事情。Tpvm is a kind of random phase feeding method, which imports noise an d decreases the accuracy greatly. the effects of scpfm and sccpfm are better, especially the latter
二可能值法是一種隨機饋相法，引入了噪聲，反而使相控陣天線的波束指向精度大為降低。Smart antenna has been widely researched in communication and signal processing, the adaptive beamforming algorithm is the key technique of smart antenna. it could adaptively steer the array directional pattern to form the main narrow beams with high gain in the direction of the users " signals while deeply nulling the interference signals. it is an effective way to realize the optimal receiving of the interesting signals
智能天線技術是目前通信和信號處理等領域的研究熱點，自適應波束形成演算法的研究是智能天線的一個關鍵技術，它能夠自適應地控制天線陣方向圖在用戶信號方向產生高增益窄波束，在干擾信號方向產生較深的零陷，是實現用戶信號最佳接收的有效方法。A design of beam shaping of an array antenna
一種陣列天線的波束賦形設計The previous discussion addressed the theory required to compute the relative phase shift between adjacent radiating elements in order to position the beam of an array - type antenna to a specific angle off of the antenna boresight axis
前面的討論中給出了計算使陣列天線的波束相對天線視軸線偏移一個給定角度所需的相鄰單元間相對相移的理論。分享友人