waveband 【無線電】波段。
【無線電】波段。 “waveband switch“ 中文翻譯: 波段開關“waveband switching“ 中文翻譯: 波段轉換“audio frequency waveband“ 中文翻譯: 聲頻頻帶“dual waveband infrared sensor“ 中文翻譯: 雙波段紅外傳感器“full waveband receiver“ 中文翻譯: 全波段接收機“full-waveband receiver“ 中文翻譯: 全波段接收機“ku waveband ante a“ 中文翻譯: ku波段天線“ku waveband antenna“ 中文翻譯: ku波段天線“two waveband radio set“ 中文翻譯: 雙波段收音機“two-waveband radio set“ 中文翻譯: 雙波段接收機“two-waveband radio station“ 中文翻譯: 雙波段電臺“waveangle“ 中文翻譯: 波程角 波角“waveanalyzer“ 中文翻譯: 波形分析器“wavebeam guide“ 中文翻譯: 光導管“wavebeamangle“ 中文翻譯: 波束角“wave]qrs波“ 中文翻譯: qrs“waveconal cable“ 中文翻譯: 波形同心中性線電纜“wave; electromagnetic“ 中文翻譯: 電磁波
waveguide |
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In chapter 5 we develop a new quantity optics based illumination model by incorporating a self - radiation term of the object in traditional illumination model . our new model is suitable both for ir waveband imaging and for visible waveband imaging . the model successfully simulates the natural radiation phenomena such as the color of iron during the different fused phases 本文第五章從量子光學的理論出發,提出了一個新的基于量子光學的光照模型,該模型在傳統光照模型的基礎上增加了一項物體自身量子輻射項,可同時適用于紅外波段和可見光波段的成像 |
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By computer simulation and calculation , the relation between the reflectivity and the structure parameters of such gratings are presented . these results show that a glass grating can achieve antireflection over almost the whole visible light waveband for unpolarized light , while a silicon grating with a columned grid substrate also can achieve low reflectance over as a broad field of view as a tapered silicon grating structure can , but it can be fabricated more simply 理論分析發現硅基底的圓柱形網格光柵能夠在比較大的視場獲得比較低的反射率,具有特定參數結構的低反射率硅基底圓柱形網格光柵可以獲得與專為大視場設計的金字塔形網格光柵相同的視場角,但它的制作更容易,更簡單。 |
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In this paper , the target radiate characteristics and waveband selection of the infrared system reviewed briefly ; the suppression of the stray radiation in the infrared sub - system is discussed ; the material selection , the support structure and optimization of the primary mirror in the infrared sub - system of the theodolite , every factor which will affect the surface figure of the mirror is discussed in detail and get the result that in the circumstance of shooting range , the primary factor which affects the surface figure of the mirror in the infrared sub - system is temperature changing , this ca n be resolved by using material of low expansion coefficient and using same material in the mirror and the mirror seat 本文將對紅外系統的目標輻射特征分析和波段選擇進行簡要回顧,討論紅外系統中雜散輻射的抑制,并詳盡分析經緯儀紅外光學系統設計中所涉及到的反射鏡的材料、支撐、結構和優化設計等問題,認真討論和分析影響主鏡的面形精度的各種可能因素。并指出:在靶場環境下影響經緯儀紅外分系統主鏡面形精度的主要原因是溫度的變化,這種情況可通過選擇低線膨脹系數的材料并且使鏡座和反射鏡采用相同的材料予以解決。 |
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First , under the given boundary condition and reasonable simplified condition , this paper develops radiation transmitting equations in atmosphere applied in infrared waveband and visual light waveband from common equation of radiation transmitting . then , the formula between observation of satellite and net surface radiation is established according to the developed equations , from which it is found that net surface radiation is relative to sun zenith , land surface and cloud albedo , etc . at last , by using data of satellite visual light ( vis ) , infrared 1 ( ir1 ) , infrared 2 ( ir2 ) and water vapor ( ir3 ) channel , sun zenith and net surface radiation , a regression formula is built 本文從大氣中太陽輻射傳輸的一般性方程入手,引入邊界條件及簡化條件,推導出紅外波段和可見光波段的大氣輻射傳輸方程,由此建立起衛星觀測輻射與地面凈輻射的關系,文章還就衛星觀測到的輻射與云量、云高、云的光學厚度、云及地面反照率等之間的關系進行了理論分析,可以幫助更好地理解云對地面凈輻射的影響。 |
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Based on the spectral irradiance measured with the sun - atmosphere ultraviolet spectrum radiometer ( sauvs ) developed by the institute of atmosphere physics and the changchun institute of optics and fine mechanics , chinese academy of sciences , measuring the direct and scatter irradiance spectrum of ultraviolet waveband which arrives in beijing global surface , giving a method of retrieving the aerosol optical depth ( aod ) and put up with primary results that exponential function can fit the retrieval results according to its visibility , putting forth different coefficients and functions on variable visibility , also giving a primary analysis on the aod in dust - storm day and some contrast between sun - day and dust - storm day , analyzing the ratio between scatter and total irradiance , and its relationship with atmosphere mass and total atmosphere optical depth , lastly contrasting with the survey results by aeronet beijing station , the results of retrieval is in reason , this work gives some help in researching the co - effect of aerosol - radiance - climate and makes preparation for further survey on the radiance characteristics of dust 利用中國科學院大氣物理研究所與長春光學精密機械研究所合作研制的太陽?大氣紫外光譜輻射計( sauvs ) ,測量到達北京地表的太陽直接和散射紫外光譜輻射,導出了大氣氣溶膠的光學厚度。初步結果表明:北京紫外波段大氣氣溶膠的光學厚度在絕大部分情況下隨波長的增加而單調減小,用指數函數可以較好地擬合反演結果,統計得到了三個水平能見度狀況下擬合函數的系數值和公式表達式;初步分析了揚沙、浮塵、沙塵暴天氣條件下氣溶膠光學厚度的特點,并與一般晴朗天氣條件下的氣溶膠光學厚度特點做了比較分析;分析了太陽紫外譜輻射中散射輻射與大氣質量、大氣總光學厚度的定性關系和定量表達式;最后與全球氣溶膠監測網絡( aeronet )北京站的資料做比對,表明反演結果基本合理。 |
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And critical techniques like ka waveband solid - state circuit designing and structure machine designing are mastered . finally , our 8mm pa has an output power level of 25 . 6dbm , a 11 . 5 - db power gain and 13 . 1 % power - added efficiency ( pae ) , which meet our design requirements 其中,在毫米波功率放大技術中,著重解決了因芯片體積小而產生的設計加工難度較大的問題,突破ka波段高效固態電路設計和結構工藝設計等關鍵技術,實現了毫米波功率放大器的制作。 |
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The subject comes from the cooperation project “ x waveband sar receiver ” between chengdu sine science & technology ltd . and the uestc . the auther is responsible for the demonstrability of the rf receiver and the implemetaion of the lna in the system 本項目來源于電子科技大學成都賽英科技有限公司與電子科技大學的合作項目“ x波段合成孔徑雷達( sar )接收機” ,筆者進行了該接收機系統方案的論證及接收機前端低噪聲放大器( lna )的研制。 |
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The preparation and capacity of the smokescreen materials against infrared wave were studied in the dissertation . firstly , the new methods to measure the anti - infrared ability of graphite and carbon fibre with the dual - waveband infrared radiation instrument were be found 探討了影響粉體材料對紅外衰減能力的原因,進而分別在石墨和云母表面進行了化學鍍銅和化學鍍鎳,并測試和研究了化學鍍前后材料對紅外的衰減能力。 |
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Based on the direct and scattering irradiance spectra measurements of ultraviolet waveband arrived at beijing ground surface by the sun - atmosphere ultraviolet spectrum radiometer ( sauvs ) , a method for retrieving the atmospheric aerosols optical depth ( aod ) is given in this paper 摘要利用太陽大氣紫外光譜輻射計( sauvs ) ,測量到達北京地表的太陽直接和散射紫外光譜輻射,給出反演大氣氣溶膠光學厚度的一種方法。 |
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Different liquid systems can be used in different wavebands . so the choice of liquid core is greatly abroad . in recently , there are many researches reported , but these researches mostly focus on its optic spectrum and easy application 近年來,液芯光纖的研究也有不少報道,但這些研究大多停留在對其光譜特性以及一些簡單的應用研究,其應用層次比較低,應用面比較窄,并沒有得到廣泛的推廣。 |
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Results show that the aod of ultraviolet waveband decreases monotonously with increasing wavelength , and the retrieved results can be well fitted with an exponential function , and coefficients and expressions of fitting functions in three visiblities are determined statistically 結果表明:在紫外波段,大氣氣溶膠的光學厚度隨波長的增加而單調減小,用指數函數可以很好地擬合反演結果。 |
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In the last decade , rapid progress in ultrafast laser technology provides a steady and reliable optical source for the terahertz ( thz ) pulses generation , which greatly promotes the research in the thz waveband that is difficult to access before 近十幾年來,超快激光技術的迅速發展為thz輻射的產生提供了穩定、可靠的激發光源,使thz輻射的研究得到了蓬勃發展。 |
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The results of design explain that if sio2 films deposited on the surfaces of sapphire the average transmittance in 3 ~ 5 m waveband can exceed 97 % , which can meet the requirements of missile dome in infrared application 設計結果表明,藍寶石襯底雙面鍍sio _ 2 、 sio _ 2 / si等膜系,在3 5 m波段的平均透過率大于97 ,可滿足導彈頭罩設計和使用的要求。 |
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Waveband switching ( wbs ) has attracted much attention because of its practical importance in reducing the port count , associated control complexity , and cost of photonic cross - connections 摘要由于波帶交換在減少交換結構端口數、降低控制面復雜度和光交叉連接費用方面具有實際的意義,因而引起了人們廣泛的關注。 |
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In 1980s “ , the research is focused on the multi - waveband , multi - color and multi - mode fusing recognition technology 進入80年代后,該領域著重研究多波段、多色和多模融合識別技術。 |
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This paper proposes two algorithms for waveband switching and discusses related issues in wbs network 文章提出了兩種新的波帶交換算法并且做了相應的性能分析。 |
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Two - waveband radio station 雙波段電臺 |
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Optical radiation physics and illumination engineering ; terms for wavebands 光輻射物理學及照明工程.波段用術語 |
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Reduce the output waveband to reset of the electrodes while leaving body 緊急調降輸出波段回歸為零 |