旁線法 的英文怎麼說

中文拼音 [bàngxiànfǎ]
旁線法 英文
broadside technique
  • 旁 : 名詞1 （旁邊） side 2 （漢字的偏旁） lateral radical of a chinese character （e g 亻 氵 etc ）Ⅱ形...
  • 線 : 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...
  • 法 : Ⅰ名詞1 （由國家制定或認可的行為規則的總稱） law 2 （方法; 方式） way; method; mode; means 3 （標...
  1. 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線陣換能器聲場的指向性的基礎上，就各個晶片幾何參數對指向性指標（主瓣寬度、旁瓣幅度、消除柵瓣） 、聲壓幅值、陣元振動模式、陣元間互輻射、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。
  2. Its stentorian narrator and epic soundtrack present the emergence of the nine countries, from portugal in the 15th century to the united states in the 20th, and cites numerous achievements worthy of emulation : spain had a risk - taking queen ; britain ' s nimble navy secured vital commodities overseas ; the united states regulated markets and fought for national unity

    在洪亮的旁白和磅礴的音響中，系列片講述了9個國家的興起，從15世紀的葡萄牙一直講到20世紀的美國，引證了無數值得效法的成就：西班牙曾有一位喜愛冒險的女王；英國敏捷的海軍捍衛了其海外商品的生命線；美國規范了市場，並曾為國家統一而戰。
  3. In this dissertation the pulse compression performances of linear frequency modulation signals ( lfm ), nonlinear frequency modulation signals ( nlfm ) and design of their side - lobes suppression filters are analyzed, and design of the pulse compression program of 4 pieces of adsp21160 in the processing unit and the program of single piece of adsp21160 and fpga in the interface unit of the pulse compression system are introduced in detail

    全文分析了線性調頻信號（ lfm ） ，非線性調頻信號（ nlfm ）的頻域脈沖壓縮方法及其旁瓣抑制濾波器的設計和優化，詳細介紹了脈沖壓縮系統中基於4片adsp21160的處理單元和單片adsp21160和fpga組成的介面單元的軟體設計。
  4. A patch antenna with etched holes on the ground plane is also studied. the performance of the antenna at the resonant frequency is analyzed by using the fdtd method together with the pml boundary treatment. the results show that the surface waves are suppressed greatly, the bandwidth is improved and a 1 odb reduction on the sidelobe level is achieved at the 110 and 260 directions in the e plane

    全面地研究了地面腐蝕周期圓孔結構的電磁晶體貼片天線在基波頻率處的性能，用fdtd方法並結合pml邊界處理技術對該天線所取得的研究結果顯示，本文設計的地面腐蝕型電磁晶體結構抑制了貼片天線中的表面波，增加了天線的帶寬，並有效地削弱了旁瓣，使天線的e面方向圖上110和260方向的兩個旁瓣被削弱了10db 。
  5. The paper analyzes the non - lineal relations of the quantity of heat exchange and water flux of coil exchanger in part - load operating condition, the shortage of deciding the water flux in bypass pipe, the disadvantage that the operating condition of pumps and chiller ca n ' t be met with the load change of the air conditioning system in different operating condition of using pressure - difference bypassing control in primary water pump system. using load control method in the change of the operating condition of primary water pump system can realize that the load change is small and reasonable in the on / off condition of pumps and m m chiller by comparing load control method in primary variable - flow water pump system with pressure - difference bypassing control method, back water temperature control method

    本論文從目前空調工程中使用的變流量水系統入手，研究了盤管換熱器在部分負荷下水流量與換熱量的非線性關系，分析了文獻中介紹的旁通管通流能力選擇的不足之處和一次泵水系統採用壓差旁通控制時，工況轉換不能滿足系統控制要求的缺陷；比較了一次泵變流量水系統中壓差旁通控製法、回水溫度控製法、負荷控製法的精確性，並得出了在一次泵水系統的工況轉換時，採用負荷控製法能使冷水機組及其相應水泵在啟停時的負荷變化范圍較小，更符合建築物的冷量需求，節能效果較好的結論。
  6. The methods of range sidelobe suppression about the lfm and bc signal are discussed in detail

    著重討論了線性調頻信號和二相編碼信號的旁瓣抑制方法。
  7. 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，基底中的表面波受到很大抑制，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，向前輻射的增益由原來的12db增加到26db ，增加了14db ，比文獻上報道的gonzalo等人的研究結果提高了4db 。
  8. The radiation pattern of the antenna is more rotationally symmetric, and a more reduction on the sidelobe levels of the antenna is achieved as compared to the antenna with the corrugated soft surface. in conclusion, in the present thesis both theoretical and experimental research works have been carried out intensively on patch antennas based on photonic - bandgap structures. it is shown that our photonic bandgap structures can greatly improve the performance of the patch antennas

    該平面圓環結構軟表面天線是在空氣介質的皺褶圓環結構軟表面天線的基礎上改進得到，為了便於比較，我們首先研究了空氣介質的皺褶圓環結構軟表面天線，用fdtd方法並結合pml吸收邊界條件對該天線的性能進行了研究，結果表明天線的帶寬增加，天線的軸對稱性得到了很大改善， e面和h面方向圖的波束幾乎重合，天線的旁瓣和背瓣受到很大的抑制。
  9. According to the characteristic of the double - bus with auxiliary bus configuration which is provided with auxiliary units, the analysis methods of that of main electrical connection are dcveloped

    針對雙母線帶旁路母線接線系統具有儲備系統的特點，建立了具有備用系統情形的抗震可靠性分析方法。
  10. For the improvement of reliability and stability of the whole apparatus, meanwhile, for eliminating various electric - magnetic disturbance within the power supply and ground, measures such as filter, grounding, shielding are all taken in technique. the special methods are lc filter for power supply, bypass capacitor for suppressing voltage surge in printed circuit board, shielding layer wrapped in sensor head and overall grounded

    通過採用合理的濾波、接地、屏蔽等各種方法，尤其是採用電源lc濾波電路、電源上加旁路電容抑制線路板上的電壓波動、傳感頭加屏蔽層、傳感頭總體接地結構等多種抗干擾辦法，減小了電源和地線上的各種電磁干擾，保證了系統的穩定性和可靠性。
  11. The automation of coal flotation has been wandering for many years in china. the production efficiency is relatively low because of the feed forward control which adds the flotation reagent based on the fine coal in feed slurry, ignoring the quantity and quality of the products. aiming at this problem, method of measuring the flotation technical parameters was studied, the slurry level meter and the slurry ash - measuring device were worked out, and the computer control system of the coal flotation was designed. the feedback control was realized by using the fuzzy logic control control technology to regulate the reagent addition and the slurry level in the flotation tank according to the concentrate ash content detectedby the coal slurry ash - measuring device developed. the industrial experiment indicates that the performance inedxes of the coal slurry ashmeasuring device have come up to the advanced levek of the world. the application of the detection and control system in huaibei coal preparation plant results in a high concentrate recovery, a decrease of the reagent consumption, ensuring a highly efficient operation

    浮選自動化在我國多年來徘徊不前，一直採用根據入浮煤漿中的干煤泥量來確定加藥量的前饋控制方法，而不直接以產品的數質量指標作為控制目標，導致浮選生產效率較低.針對上述問題，研究了浮選工藝參數的檢測方法，開發了浮選漿位儀和煤漿測灰儀，設計了浮選計算機控制系統，它根據煤漿測灰儀旁線檢測的精煤灰分，運用模糊控制技術，通過調整浮選藥劑添加量和浮選機漿位，來實現浮選過程的反饋控制.工業性試驗表明，煤漿測灰儀的性能指標接近國外先進水平.煤泥浮選測控系統在淮北選煤廠的現場使用，使浮選生產在精煤灰分合格的前提下，得到了較高的產率，並降低了藥劑用量，從而保證選煤廠高效率地運行
  12. Abstract : the automation of coal flotation has been wandering for many years in china. the production efficiency is relatively low because of the feed forward control which adds the flotation reagent based on the fine coal in feed slurry, ignoring the quantity and quality of the products. aiming at this problem, method of measuring the flotation technical parameters was studied, the slurry level meter and the slurry ash - measuring device were worked out, and the computer control system of the coal flotation was designed. the feedback control was realized by using the fuzzy logic control control technology to regulate the reagent addition and the slurry level in the flotation tank according to the concentrate ash content detectedby the coal slurry ash - measuring device developed. the industrial experiment indicates that the performance inedxes of the coal slurry ashmeasuring device have come up to the advanced levek of the world. the application of the detection and control system in huaibei coal preparation plant results in a high concentrate recovery, a decrease of the reagent consumption, ensuring a highly efficient operation

    文摘:浮選自動化在我國多年來徘徊不前，一直採用根據入浮煤漿中的干煤泥量來確定加藥量的前饋控制方法，而不直接以產品的數質量指標作為控制目標，導致浮選生產效率較低.針對上述問題，研究了浮選工藝參數的檢測方法，開發了浮選漿位儀和煤漿測灰儀，設計了浮選計算機控制系統，它根據煤漿測灰儀旁線檢測的精煤灰分，運用模糊控制技術，通過調整浮選藥劑添加量和浮選機漿位，來實現浮選過程的反饋控制.工業性試驗表明，煤漿測灰儀的性能指標接近國外先進水平.煤泥浮選測控系統在淮北選煤廠的現場使用，使浮選生產在精煤灰分合格的前提下，得到了較高的產率，並降低了藥劑用量，從而保證選煤廠高效率地運行
  13. Ten minutes had elapsed since the nurse had left ; valentine, who for the last hour had been suffering from the fever which returned nightly, incapable of controlling her ideas, was forced to yield to the excitement which exhausted itself in producing and reproducing a succession and recurrence of the same fancies and images. the night - lamp threw out countless rays, each resolving itself into some strange form to her disordered imagination, when suddenly by its flickering light valentine thought she saw the door of her library, which was in the recess by the chimney - piece, open slowly, though she in vain listened for the sound of the hinges on which it turned

    護士離開已六十分鐘了那每夜必來的寒冷襲擊瓦朗蒂娜又快一個小時了，她無法控制自己的意志，那些幻景和虛象，那盞孤燈射出無數的光線，每一條光線都在她那混亂的幻想變成某種奇特的形狀，突然地，在那搖動的燈光下，瓦朗蒂娜好象看見壁爐旁邊凹進去的那扇通她書房的門慢慢地開了，但她卻聽不到門鏈轉動的聲音。
  14. For lfm signal, we demonstrate the method of employing hamming weighting, spectrum correcting and phase modulation distortion

    對線性調頻信號的旁瓣抑制介紹了經典海明窗加權處理方法、頻譜修正以及相位預矯正幾種方法。
  15. 3. in the process of restraining distance and doppler planar sidelobe, linear fm signal restrains sidelobe well, noise fm signal has definited impact on restrainning sidelobe in concrete circumstance by tring diversified methods

    3 、在二維距離-速度旁瓣抑制中，線性調頻信號抑制效果良好，而抑制噪聲調頻信號的旁瓣須根據具體情況、用多種方法進行嘗試、有一定旁瓣抑制效果。
  16. Combining the above signal model and the conventional lcmv method at element level we present a lcmv method at subarray level. in all kinds of jammer scenarios, the method can suppress jammers well, but the disadvantage is that the sll ( sidelobe level ) of adaptive patterns is much higher

    將上述提出的信號模型與常規線性約束最小方差（ lcmv ）方法相結合得到子陣級lcmv方法，在各種干擾情況下該方法都可以實現對干擾的很好抑制，但其局限性是自適應方向圖的旁瓣電平較高。
  17. Thus the main and auxiliary polarization radars form a side lobe canceller system. based on the modeling of this system, an anti - jamming filter algorithm in the polarization - spatial domain is brought forward

    針對接收全極化雷達，在其旁邊放置全向雙極化正交陣列天線與雷達構成旁瓣對消系統，並根據系統模型提出了極化域-空域聯合濾波抗干擾演算法。
  18. Our method is based on non - linear convolution model and uses artificial nervous net algorithm and simulated annealing algorithm, introducing the acoustic impedance as condition of constrained solution to avoid the hypothesis of wavelet or reflection coefficient in common seismic inversion, and adopting the control of fine seismic interpretation model in extrapolation

    反演方法以非線性褶積模型為基礎，引入井旁聲阻抗作為解的適定性的約束條件，避開一般地震反演對地震子波及反射系數的假設。反演外推採用精細地震解釋模型控制。演算法上，引用人工神經網路和模擬退火演算法。
  19. Construction method of bored concreting pile nearby existing railway line

    既有線旁鉆孔灌注樁施工方法
  20. The sidelobe contaminatin index is determined by using variational methods. coordinate conversion with linear interpolation

    運用變分法來確定旁瓣污染指數，運用線性插值進行坐標轉換。
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