通帶寬度 的英文怎麼說

中文拼音 [tōngdàikuāndù]
通帶寬度 英文
bandwidth
  • 通 : 通量詞（用於動作）
  • 度 : 度動詞[書面語] （推測; 估計） surmise; estimate
  1. In all kinds of complicated network, oriented linking and unlinking, communication frequency resource is strained, and bandwith to transmitting audio frequency signal is too restricted, complicated and fluky, while audio frequency data exponential have been increased in the last several years. under the circumstances, based on the research of predecessor, this paper studies wavelet analysis ' s maths gist and practices significance on signal process, and puts forward a optimized wavelet package condensation arithmetic to process audio frequency data, which gives attention to coding efficiency, multirate and compression delay. simulation experiment on the arithmetic has been done by matlab

    針對無連接和面向連接的各種復雜網路環境下，通信頻帶資源緊張，音頻傳輸帶寬有限且復雜多變，而各種音頻數據又日益增多的局面，本文研究小波分析在信號處理方面的數學依據和在數據壓縮方面的實際意義，在前人不斷工作的基礎上，提出了一種優化小波包變換編碼方案用於音頻數據的壓縮演算法，兼考慮了編碼效率、多碼率和壓縮時延多個方面，並在matlab環境下做了模擬實驗，對各種音頻信號及多種小波函數做了模擬結果比較，實驗結果證明該演算法可以在一定計算復雜度下可以很好地改進壓縮效果，達到多碼率下實現實時編解碼的過程，在高速dsp晶元等硬體設備支持下，可以有效應用於實際復雜多變信源編碼。
  2. Grooved pulleys for classical and narrow v - belts system based on datum width

    普通和窄v帶輪基準寬度制
  3. The factors limiting the frequency band of the wide - band amplifier are introduced. through analyzing the effects of the intrinsic parameters and parasitical on the frequency characteristics, a method of improving fr of mosfet by using short channel device and making mosfet work at the saturation region through raising vgs is put forward ; the effects of different kinds of circuit configurations on the frequency characteristics and the junction voltage on the voltage pattern circuit, current pattern circuit and frequency characteristics are analyzed. according to the linear theory of transconductance which is applied in the bit circuit, the current pattern amplifier circuit, current transfer circuit and output circuit which consist of mosfet and the wide - band amplifier composed of them are put forward

    介紹了限制寬帶放大器頻帶寬度的因素，通過分析mosfet的本徵參數、寄生參數對頻率特性的影響，提出了採用短溝器件、使mosfet工作在飽和區、抬高柵源電壓等提高mosfet特徵頻率的方法；分析了不同電路組態對放大器頻率特性的影響、節點電壓對電壓模電路、電流模電路頻率特性的不同影響，根據應用於雙極晶體管電路的跨導線性原理，提出了採用mosfet構成的電流模放大電路、電流傳輸電路、輸出電路以及由它們所組成的寬帶放大器，獲得了良好的頻率響應。
  4. The content of the study as follow : 1 to choice the ship form, mainly ship ' s overall size ; draft, according to design of shanghai deep - water port and development of container ; 2. to deside the date of width ; depth ; path ; tract and sinkage through simulator tests ; 3. to replenish and modify some date for channel design to very large container vessels in " design code of general layout for sea port " 4. to study ship ' s turning area ; ship ' s stop distance the new and special content of the study as follow : 1. statistics of path at the channel given by difference operators with the affections certain wind. currents. seas and other influences shows the path really needed under certain condition

    並可在各類航道和水域的通航安全評估及操船方法，航跡帶寬度，航道寬度，航跡帶分佈，船舶各種航行狀態時的下沉量研究中應用。本課題研究的內容： （ 1 ）根據洋山深水港設計規劃和集裝箱船舶的發展趨勢，通過研究、分析、比較，選擇最合適的船型，尤其是船舶主尺度和船舶吃水。 （ 2 ）在大量模擬研究情況下，得出進港航道所需的航道寬度和深度。
  5. After some band structure analysis with the fast method, some interesting results are found for a 2d photonic crystal formed by a rectangular lattice of dielectric material gaas ( e = 11. 4 ) and air

    對一種長方晶格結構的光子晶體，通過反復調節介質柱的長、寬和晶格的長、寬，得到該結構最大絕對禁帶寬度= 0 。
  6. Across the width of the tape there are usually eight positions in which we can punch a hole.

    在紙帶寬度之內，通常有8個可供穿孔的位置。
  7. This thesis set forth the method and process of designing to kiln tyre using robust method. when constructing the math model, it was thought of that there were structure parameters, such as the tyre " media and width, and a series of uncontrolled factors ( contact stress, bend stress stiffness and temperature stress, and the aim is to optimize the weight of the tyre )

    在構建數學模型中，考慮了輪帶內徑、輪帶寬度等結構參數以及輪帶的允用接觸應力、允用彎曲應力、輪帶的彈性模量、輪帶內外表面的溫差等不可控因素，以輪帶的接觸應力、彎曲應力、剛度溫度應力為約束條件，以輪帶的重量最輕為優化目標，通過改變輪帶的寬度以及輪帶的外徑進行參數優化設計。
  8. The spot responder system which is the necessary part of ctcs is analyzed in the dissertation and three key technologies of the channel in the responder system are researched. firstly, a new kind of rectangular plate magnetic inductive loop antenna is designed to transmit the power frequency. researching the near field inter - inductive characters, the relationship among the inductive efficiency, the perimeter and the conductor width of the antenna is found out

    本文在對ctcs中的點式應答器系統原理及組成進行分析和消化的基礎上，對系統中通道的幾個關鍵技術進行了詳盡的研究，主要分為三個方面: 1 ，提出並研製了新型的片式環形磁感應天線，並對傳輸能量載波的天線的近場互感特性進行了分析，得到互感效率隨天線的周長大小以及導帶寬度的變化規律，並通過計算機模擬和試驗對天線的近場波瓣圖進行了研究;通過分析寬帶匹配技術中的實頻法理論，設計了信號載波天線的寬帶匹配網路。
  9. The tbc algorithm simulates that wave near the boundaries is plane wave, and its amplitude and direction are decided by trial and error. in this thesis, the operation principle of an awg is introduced and the structure parameters of 8x8 awg with its central wavelength 1550. 12 / 7 / n and channel spacing 3. 2nm are designed by discussing the crosstalk to neighboring waveguide, the insertion losses and losses equal, etc. this thesis employs the waveguide theories to analyze the slab waveguide and the arrayed waveguide, and offers the distributions of stable optical fields

    本文旨在設計一個中心波長為1550 . 12nm 、波長間隔為3 . 2nm的8 8awg波分復用器，通過綜合考慮相鄰波導間的最大串擾、插入損耗、通帶寬度以及各通道損耗均勻等指標來設計、優化awg的各個結構參數，如輸入、輸出波導和波導陣列中相鄰波導的間隔，平板波導的聚焦長度，波導陣列中相鄰波導的長度差等。
  10. On the basis of the research on the channel transit capacity of single vessel, and with the combination of previous research methods, a comprehensive assessment model is set up in view of the effective width of the channel ; the passing depth of the channel ; the time taken for passing at high tide. some new viewpoint are developed from the mathematical analysis on the width of the track belt

    針對基於單船的航道通過能力的研究，結合以往研究方法，確定了以航道有效寬度、航道通航水深及乘潮歷時為考察對象的綜合評定模型，針對將數學方法結合數值模擬對航跡帶寬度的求解提出了一些新的見解。
  11. Firstly two characteristic points of the open - loop frequency are identified based on relay feedback experiments : the ultimate point and the bandwidth point

    通過繼電反饋辨識系統開環帶寬度點和臨界點，利用帶寬點的信息建立一階加純延遲模型。
  12. According to the current problems such as low quantum efficiency. limited available sun energy spectrum range, and inefficient recovery, resulted from the practical using of photocatalysis, using the narrowband semiconductor cds ( eg = 2. 5ev ) to compound with tio2 seems to be an effective solution. since it will not only enlarge the region of the absorption with the proper narrow band of cds but also improve the photodegradation efficiency on account of the band overlap of the two, which makes the photo induced electron and holes separate more easily

    本文針對光催化技術應用中存在的tio _ 2光催化量子效率低，吸收利用太陽能光譜范圍有限，催化劑回收困難等問題，通過窄禁帶半導體cds （ e = 2 . 5ev ）的復合，對納米tio _ 2進行了改性研究，一方面，由於cds的窄禁帶寬度可以擴展薄膜的光譜吸收范圍，另一方面，由於能帶的交疊，提高了光生電子和空穴的分離效率，從而提高了薄膜的光催化降解效率。
  13. Part iii the medicines about gold will be very popular in the next ten years. 25, physiologically ph 7. 43 ( + 0. 02 ), applying resonance light - scattering spectrum ( rls ), we observed the resonance light - scattering spectrum quenching of serum albumin by its interaction with au ( iii ). a scattering peak at 350nm and its double frequency scattering peak at 700nm were observed when the excited wavelenth is 290nm

    第三部分：在普通熒光分光光度計上選擇合適的激發和發射通帶寬度，利用reyleigh共振散射技術，研究了生理ph值7 . 43 （ 0 . 02 ） ， 25下，金（ ）與血清白蛋白的相互作用。
  14. Specialties : the range of center frequency it can achieve is bigger than one - piece filter ; at the time it has the features of wide pass - band, low insertion loss and high restraint outside the band

    特點：可實現的中心頻率范圍較單片濾波器寬，通帶寬度范圍大，插入損耗小，帶外抑制高。
  15. The passage width of that equipments is 1520 millimeters of, the height is 1810, it is low apart from the ground that transmission take in 315, biggest accept heavy attain 2000 kilograms, is airport, maritime customs, station, port, warehouse etc. the place checks a product of ideal equipments

    該設備的通道寬度為1520毫米、高度為1810毫米，傳送帶距地面低於315毫米，最大承重達到2000公斤，是機場、海關、車站、港口、倉庫等場所檢查超大件物品的理想設備。
  16. Using a general approach for designing two - dimensional photonic crystals of square lattice, we have found many structures whose absolute band gap hi the low or high frequency range is much larger than what has been reported in the previous literature. to speed up the computation, a fast plane - wave expansion method is introduced for calculating the band structures for such special photonic crystals

    最後以gaas和te材料為基礎，通過像素分析法，從理論上提出了多種在低頻、高頻區域有大絕對禁帶的二維光子晶體，並且其禁帶寬度顯著優于所有已有文獻報道的光子晶體結構。
  17. Compared with analog oscilloscope, digital storage oscilloscope contains excellent trigger function, measure function and various data collection methods. it could save and copy the wave data by connecting with pc, printer, and the like. the bandwidth, distinguishability, and sensitivity of digital storage oscilloscope are all better than analog oscilloscope

    和模擬示波器相比，數字示波器有著超強的觸發功能和測量功能以及多樣化的採集方式和自動量程，可以存儲波形並進行硬拷貝，通過介面與pc機、印表機等數字設備相連，其頻帶寬度、解析度和靈敏度比模擬示波器更好。
  18. The relationship between the body dynamic frequency bandwidth and the precision of the dynamic surveying with incomplete inertial sensors is clarified which can be a guideline for practical inertial system designs

    通過頻域分析，闡明了載體姿態運動頻帶寬度與動態測量精度的關系，對實際工程中慣性系統設計具有重要的指導作用。
  19. This paper builds the objective function of bandwidth about split, the restriction condition and the two - level optimized path based on bandwidth model, and decides optimized object, scope and step length of each step in the first level

    摘要在基於帶寬模型下建立通過帶寬度關于綠信比的目標函數和約束條件及二層優化路徑，通過計算來確定第1層每一步優化對象、范圍和優化步長。
  20. However, for vertical roof solar chimney or inclined roof solar chimney with both ends open, either a large optimum gap - to - height ratio or no optimum chimney gap was found in the range of chimney gaps investigated

    但是，對于帶有豎直集熱板或傾斜集熱板屋頂式太陽能煙囪（其特點是兩端完全開口） ，在研究范圍內，或者得到很大最佳的寬度與高度的比值，或者沒有找到最佳空氣通道寬度值。
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