頻帶邊 的英文怎麼說
中文拼音 [bīndàibiān]
頻帶邊
英文
band edge-
Single sideband power - line carrier terminals
單邊頻帶電力線載波終端Transparent tone - in - band tti single sideband
透明帶內導頻單邊帶Transparent tone - in - band single sideband
透明帶內導頻單邊帶Spontaneous emission can be totally suppressed or strongly enhanced depending on the relative position of the resonant frequency from the edge of the photonic band gap and the photonic mode density. several novel phenomena can be obtained. the spontaneous emission displays an oscillatory behavior, classical light localization, photon - atom bound state, nonzero steady - state population and anomalously large vacuum rabi splitting. and localized mode associated with a defect site in an otherwise perfect photonic crystals, acts as a high - q micro - cavity
通過原子上能級與光子頻率帶隙邊緣的相對位置或者光子態密度，可以抑制或增強原子的自發輻射。分析並得到了一些奇異的現象，如自發輻射的諧振子行為、光的局域、單光子?原子局域態、上能級中存在非零穩態原子布居數、類似於真空中的拉比頻率分裂等。0. 1in connectors for frequencies below 3 mhz. part 11 : edge socket connectors with closed ends and having a contactspacing of 2. 55 mm 0. 1 in mating either with board mounted connectors or printed wiring boards with edge board contacts
頻率低於3mhz的連接器.第11部分:與印製電板裝連接器或板邊具有接觸點的印製線路板相配用的帶封閉端的觸點間距為2 . 55mmIn digital communication, a transmitted carrier signal that consists of the12 single sidebands being sent over the transmission circuit
在數據通信中，一種傳輸載波信號，由傳輸電路上發送的12個單邊頻帶組成。Such products, whose front end are equipped with swing boom device ( as picture shows ), and side - dumping bucket, can work closely to the house corner or edge, very suitable for those operations in narrow working sites, without frequent driving the machines
這種產品，在機體前部裝備了動臂側移裝置（如右圖） ，配合反轉鏟斗，機器可以近距離的靠近墻角屋邊，非常適合在狹小的空間作業，工作中無須頻繁移動機身，狹窄地帶的作業可以應對自如，從而真正實現了類似墻角等狹窄地帶的直接挖掘工作。Employing the interlaced scanning, current tv system can compress the frequency band of tv signal effectively and facilitate transmission. but this method reduces the scanning lines of pictures and the frequency of the field. it leads the pictures displayed on tv to have such disadvantages as large area flicker, edge flicker, interlace flicker, raster visibility and creeping line etc. to satisfy people " s vision feeling better, the big - screen, multi - function and high quality tv - set have been made great progress
現行的廣播電視系統由於採用隔行掃描方式，從而有效地壓縮了電視信號的頻帶，有利於傳輸；但由於這種方式使得圖像的掃描行數少，場頻低，導致了重顯的電視圖像有大面積閃爍、邊緣閃爍、行間閃爍、行結構可見及行爬行等。To reproduce the narrow - band response, based on the thought of kanamori etc., the damping ratio and natural period are modified. through this adjustment, the narrow - band response can be reproduced, but for some natural periods the adjustive damping ratio has become negative. the negative damping is strange and can not be explained by the equation of motion for sdof system
為了生成窄頻帶反應，本文根據kanamori等人的方法調整了計算時的阻尼比及自振周期，調整后的單邊差分方法能在共振區域生成很好的窄頻帶反應，但是對一些周期點的阻尼比調整成為了負值，這從系統的動力平衡方程是難以解釋的。Band - edge energy
能量頻帶邊緣Firstly a microstrip - fed microstrip patch antenna has been emulated and validated. on the base of this, the multi - band property of sierpinski equilateral triangle and squareness microstrip fractal patch antennas are carefully studied, and the effect of antenna ' s property by the permittivity, the size of patch, the order of the fractal and the decrease of fractal patches is depicted ; secondly on the base of analysis and comparison of performance of microstrip - fed semicircle and rectangle double - band microstrip patch antennas, warranty of dimension curtailment is offered ; finally expansion of band of those antennas above is discussed
在此基礎上，著重分析了微帶線耦合饋電的sierpinski等邊三角形微帶分形貼片天線以及sierpinski方形微帶分形貼片天線的多頻特性，給出了介質參數、貼片尺寸、分形的階數以及減少分形貼片數對微帶線耦合饋電的sierpinki等邊三角和sierpinski方形微帶分形貼片天線特性的影響；其次基於微帶線耦合饋電的半圓雙頻微帶貼片天線和矩形雙頻微帶貼片天線的性能分析和比較，提供了尺寸縮減的依據；最後對以上天線的頻帶擴展進行了探論。Telecommunications - interface between carriers and customer installations - analog voice grade switched access lines using loop - start and ground - start signaling with line - side answer supervision feature
電信.載體和用戶裝置間的介面.帶邊線應答性能的環路啟動和接地啟動信令的模擬音頻轉換訪問線路Experimental results show these proposed methods, which can protrude the sideband structure of gear, are practical in gear fault diagnosis and of application and more thorough research value
實驗數據的分析結果表明這些方法可突出齒輪的邊頻帶結構，適用於齒輪的局部故障診斷，具有一定的應用價值和更深入的研究價值。The iboc technology, as proposed by the us - based ibiquity digital corporation, is also known as hd radio. it is designed to operate in the existing am and fm bands by attaching digital data to the sideband of analogue signals. the attached segment can either be a separate radio channel or other data
Iboc是美國ibiquity digital corporation所推廣的制式，又命名為hd radio ，它被設計成可以在現行的am和fm頻帶內運行，在模擬訊號的邊旁加上數碼訊號，它可以是電臺聲音廣播或是其它的數據，但由於頻寬的限制，最大約是200kbps系統設計雖然善用有限的頻譜，但技術上較為覆雜，目前正發展第二代產品。Furthermore, in effective frequency - band, the transfer function can not accurately simulate the theoretical transfer function, especially for phase property. it shows that kanamori ' s method is not a good one
調整后的單邊差分方法在有效的計算頻帶內仍然不能較好的模擬理論傳遞函數尤其是相位特徵，這說明kanamori等人的方法並不是一個很好的方法。Pilot tone - in - band single sideband
帶內導頻單邊帶The analogue modulation recognizer utilized the decision - theoretic approach that a set of decision criteria for identifying different types of modulations is developed
對于模擬調制方式，基於決策論的演算法可以識別調幅、調頻、單邊帶和雙邊帶等調制類型。Dsrc standard specification for telecommunications and information exchange between roadside and vehicle systems - 5 ghz band dedicated short range communications medium access control and physical layer specifications
路邊和運載工具系統間遠程通信和信息交換用標準規范. 5ghz頻帶上專用短程通信Tx is only miliwatts near the edges ( dont tx out of band ! ! ! )
在邊緣附近只能小功率發射（不要在頻帶外發射！ ！ ！ ）There are three power transistor which have been widely used in s band now : bipolar junction transistor ( bjt ), gaas metal - oxide semiconductor field effect transistor ( gaas mosfet ) and lateral diffuse metal - oxide semiconductor field effect transistor ( ldmos fet ). thanks to the advantages, such as, wide frequency, easy power supply, good stability, the ldmos fet has used in the motion telecommunication
目前在s波段人們常用的放大器有雙極性晶體管（ bjt ） 、砷化鎵場效應晶體管（ gaasmosfet ） 、邊緣擴散場效應晶體管（ ldmosfet ）等，由於ldmosfet具有頻帶寬、供電方便、穩定可靠等優勢，目前已經廣泛用於移動通信3g的研究。分享友人