flat band 中文意思是什麼

flat band 解釋
簾布筒
  • flat : n 1 〈英罕〉地板；（房屋的）一層。2 一套房間；〈pl 〉分宅公寓〈美國高級公寓叫 apartment house〉。...
  • band : n 1 帶，繩；帶形物；箍；箍條；嵌條；鑲邊；鋸條； 〈pl 〉 （法官等的）寬領帶。2 束縛，羈絆；義務；...
  1. 3. analyse the correlation between soil water content and spectral reflectance of intertidal flat, and gain the best band to monitor soil water content by remote sensing. 4

    對實測潮灘土壤水分與實測潮灘土壤光譜反射率進行了統計相關分析，得出了可見光及近紅外波段范圍內土壤水分遙感監測的最佳波段； 4
  2. For the requirement of more negative differential resistance ( ndr ) routes, three split quantized energies are formed in the four - period inp / ingaas superlattice structure with relatively thin ingaas quantum wells under ideal flat - band condition, and high - field domain in the superlattice is formed under sufficiently large operation bias

    為獲得?多軌跡的負微分電阻，本研究組件使用?相當薄之砷化銦鎵?子井，可使四周期磷化銦/砷化銦鎵超晶格結構在平帶情況下形成三個分?的?子化能階，且於足夠大的操作偏壓下在該超晶格結構中形成?高場區域。
  3. Based on the fourier series digital approximation method, the optimal design of flat - top and high isolation pass band frequency response interleaver has been studied. at last a solution of high isolation ( > 45db )

    用傅立葉級數展開數值逼近的方法進行了高隔離度平頂通帶頻響全光纖奇偶交錯濾波器的優化設計，提出了隔離度大於45db通帶平坦濾波器的製作方案。
  4. The influence of the configuration, the pump wavelength, the bragg wavelength, the reflectivity, the pump power and the length of edf to the gain - clamped characteristics is studied. an optimal l - band gain - clamped edfa configuration with appropriate parameters of the amplifier, which can also provide a flat - gain band, are given

    總之，本論文圍繞光纖通信領域的國際熱點問題，從理論和實驗上研究了高增益、低噪聲、譜平坦的摻餌光纖放大器的實現，關于edfa的特性的研究成果，我們相信能對科研生產起一定的指導作用。
  5. The monica model workroom is at present not bad provide include a brand announce, public relation plan, disguise self as model, clothing design, camera shooting film, broadcasting station medium, magazine newspaper office, fad give supplies to fashion model, automobile model needed by message, flat surface advertisement, present award the model, advertisement model, foreign nationality model, meeting stretch a model, dance hosts, the singer band, folk art, star distinguished guest, wait for the show personnel

    莫尼卡模特工作室目前可以提供包括品牌發布、公關策劃、化裝造型、服裝設計、攝像攝影、電臺媒體、雜志報社、時尚資訊、平面廣告所需的時裝模特、汽車模特、頒獎模特、廣告模特、外籍模特、會展模特、舞蹈主持、歌手樂隊、民間藝術、明星嘉賓、等演藝人員。
  6. This thesis mainly analyze the structure of switch the circuit ' s form and some of manufacturing technic. under the given frequency band, the switch has flat capability of insert loss and isolation, and can satisfy the need of millimeter - wave system

    本課題主要對開關的結構、電路形式及製作工藝等方面進行了一定的分析，使得毫米波鰭線pin管開關在給定頻率范圍內，具有平坦的插入衰減和隔離度特性，滿足毫米波系統的需要。
  7. This subject aim at designing a linear power amplifer whose output power is 40w for 225 - 450mhz band. but it seems not easy to finish the task because of this power amplifier own unique requirements including high output power, broad working frequency band, high linearity, and flat gain. due to the complexity involved, theoretically several soltuions are derived in the final scheme such as broadband matching technology, power - retreat, power synthesize, automatic power control and negative feedback. in addition, the design will be optimized by eda software and the final test result indicates that our design is successful

    本課題的目標是研製一個輸出功率為40w的225 450mhz的線性功率放大器。由於該功放要求輸出功率大，工作頻帶寬，帶內增益波動小，線性度高，所以其終合設計難度大。鑒于這個原因，在理論設計上筆者採用了寬帶匹配、功率合成、功率回退、負反饋、自動功率控制等技術；在實踐中精心設計電路，並且配合eda軟體模擬，最終達到所要求的指標。
  8. Fabrication of a novel si - based thermo - optical tunable flat - top filter with narrow band

    基熱光可調諧窄帶平頂濾波器
  9. Band conveyers used in fishery docks. essential parameters, dimensions and technical requirements of flat carrying idler

    漁業碼頭用皮帶輸送機.平型托輥基本參數尺寸與技術要求
  10. The flat was between the ground floor and the first story and had a row of small square windows which were half hidden by the colossal signboard belonging to a shop. the last window on the left was bisected by a brilliant band of lamplight coming from between the half - closed curtains

    福什利住在底層與二樓之間的夾層里，幾扇方形小窗戶，被一家店鋪的大招牌遮擋了一半，左邊最後一扇窗戶的窗簾沒有拉嚴，一道強烈的燈光從中間射出來，把窗戶分成兩部分。
  11. The results show that the dispersion slope of dispersion - shifted fiber is crucial to sc generation. a flat and ultra - broad - band sc spectrum is obtained by optimizing the fiber parameters and the peak power, pulse width of pump pulse

    通過對光纖色散斜率的優化設計並綜合考慮泵浦脈沖功率、脈沖寬度對sc譜譜寬和平坦度的影響，獲得了平坦、超寬的sc譜。
  12. At the same time, the design of cascaded coupler with a given ratio distribution is proposed, which can lead to higher isolation by suppressing sidelobe. 2. according to theoretical analysis and numerical simulation, the interleaver can show flat - top and high isolation pass band characteristic when the two couplers " ratio is assigned to 15 percent

    2 .對全光纖反射式奇偶交錯濾波器進行了理論分析和數值模擬，發現當兩個耦合器的分光比均為15時產生了平頂高隔離度的通帶頻響特性，做了相關實驗，結果與理論分析基本符合。
  13. In the high frequency c - v experiments, the large flat - band shift in sio2 / p - sic indicated that there was high density of deep interface states. the deep interface states were simply studied by using photo excitation

    在無光照條件下，比較了n型和p型sicmos的不同特點，對其深耗盡特徵和p型sicmos的平帶電壓作了討論和解釋。
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