波導濾波器 的英文怎麼說

中文拼音 [dǎo]
波導濾波器 英文
waveguide filter
  • : Ⅰ名詞1 (波浪) wave 2 [物理學] (振動傳播的過程) wave 3 (意外變化) an unexpected turn of even...
  • : 動詞1. (引導) lead; guide 2. (傳導) transmit; conduct 3. (開導) instruct; teach; give guidance to
  • : 動詞(除去液體雜質) filter; strain
  • : 名詞1. (器具) implement; utensil; ware 2. (器官) organ 3. (度量; 才能) capacity; talent 4. (姓氏) a surname
  • 波導 : [物理學] (用在微波波段傳輸電磁波的裝置) waveguide; duct
  • 濾波器 : [電子學] electric filter; (electric) wave filter; filter
  1. Based on upper study deeply the efficient digital channelized architectures based dft polyphase filter banks to deduce and establish several kinds channelized digital receiver mathematic models for real signal

    在此基礎上深入研究了基於多相dft組的數字通道化高效結構,推並建立了實信號通道化數字接收機的多種數學模型。
  2. The second, the main work in the paper is discussed. they are include : the theory and character of electromagnetic leaking from a computer ; the theory of accumulation mean filter and pectination filter ; the analysis of synchronous signal precision, at 10 - 12 second level, for stably intercepting ; the technology requirement of receiver and data acquisition board for clearly displaying the images recovered from the intercepted data

    本文從計算機視頻電磁泄漏和數字兩方面的基本理論出發,詳細論述了計算機視頻信息電磁泄漏的原理及特點,指出視頻泄漏信息的頻譜是以行頻為周期的譜線;分析了重加和梳狀的性能;分析了視頻泄漏信息截獲的條件;推出穩定截獲視頻泄漏信息需要對同步信號的精度控制在皮秒級;論述了清晰再現對接收機和數據採集卡的技術要求。
  3. The designs of the pfd, digital filter ocxo and fractional - n counter in the frequency synthesizer unit are discussed, based on the pll theory. in order to improve the precision of pll, some design methods of pfd are given, and its feasibility is validated by the fpga hardware implement

    2 .在鎖相理論指下,第三章討論了頻率合成設計中的鑒頻鑒相、數字、恆溫壓控振蕩和分頻電路設計。為了進一步提高頻率合成的精度,文中給出了提高鑒頻鑒相性能的一些設計思想,結合fpga的硬體設計驗證了其可行性。
  4. The convergent properties of the multimode method are discussed. finally a diplexer employing h - plane t - junction and preassigned e - plane metal - insert branching filters is given. and the scattering parameters of the un - optimized diplexer were obtained by the computer program

    在論文的最後部分設計了兩個e面金屬插片,並把它們作為通道和h面t形結組成雙工,用矩形雙工的分析程序對它進行了分析,給出了分析結果。
  5. Two kinds of filters are presented : by transferring the conventional waveguide cavity filter to the siw, a narrow bandstop filter is designed and simulated, get characteristic of narrow - band bandstop filtering. for example, relative bandwidth 1. 2 %, most attenuation of 48db in band. electromagnetic bandgap ( ebg ) structures present “ forbidden band ” characteristics, siw features high - pass characteristics, so bandpass filters can be composed by combing ebg and siw

    本論文提出了兩種基片集成波導濾波器結構:將傳統的腔體概念運用於基片集成結構,設計出了一種窄帶帶阻,對其進行模擬,得到了窄帶帶阻特性,如相對帶寬為1 . 2 % ,最大衰減為48db 。
  6. For phonetic signal modulation, if the pass band range of the band pass filter ( bpf ) is 300hz - 3400hz, the anti - noise properties of laser are approximately independent of bias current and parameters of the cavity ; when the pass band range of bpf increases to a certain degree, modulating bias current and parameters of the cavity can improve the anti - noise properties of laser

    對語音調制情況,如帶通的通帶范圍取為300hz - 3400hz ,則激光的抗噪聲性能基本不依賴于偏置電流和腔內參數;當帶通的通帶范圍增大到一定程度,調整偏置電流和腔內參數可以實現半體激光的高抗噪聲性能。
  7. The manner of modulation, the spread spectrum codes, and the manner of the acquisition and tracking are discussed. barker codes, dpsk and match filter with the ability of rapid acquisition are concluded as the appropriate manner for cdma missile controlling and guiding

    對擴頻碼、調制解調方式、捕獲與跟蹤方式進行討論,得出barker碼、 dpsk 、匹配快速捕獲是適合便攜式反坦克彈cdma無線制的相應工作方式。
  8. Ultrasonic wire bonding was applied to connect the contacts and sub - miniature - a ( sma ) connectors. also a suitable shield box has been designed for the test of hts filters

    對于超的焊接,採用超聲點焊焊接sma的接頭和高溫超的接觸電極,實現了較小的接觸電阻和較好的機械強度。
  9. Research of high temperature superconducting filters

    高溫超研製
  10. This paper presents the characteristics of htsc ( high temperature superconductor ) materials, design and manufacture of a htsc filter and a low noise amplifier, which works at low temperature, and the basic theory of a cooling system

    本文介紹了高溫超材料的基本特性,超及低溫低噪聲放大的設計、製作與調試,並且詳細的介紹了製冷系統,最終設計研製出了「高性能接收機前端」 。
  11. Because the contact resistance between the metal contacts and the superconducting films has large impact on the performance of superconducting filters, we experimental techniques. after annealing the optimum temperature and, we got the minimum contact resisitivity. we also further studied the interaction between ag and ybco films after annealing at a certain temperature and attempted to give an explanation and discussion

    金屬接觸電極與超薄膜之間的接觸電阻對超的插入損耗有很大影響,因此,本文通過多種實驗方法,系統的研究了ag與ybco超薄膜之間的接觸電阻問題,得到了最佳退火溫度,並對退火時ag與ybco超薄膜之間相互作用的機理進行了研究和探討。
  12. A novel e - plane metal insert waveguide filter is presented in this paper. comparing to conventional e - plane waveguide filter, great improvments have been made in stop - band attenuation of a bpf

    為了提高e面全金屬膜片矩形波導濾波器的阻帶性能,本文對的結構做了改進,採用了混合膜片的形式。
  13. This dissertation is a part of the research project, " millimeter wave synthetic aperture radar ( sar ) ", which is the pre - researchful item of the elelctric 10th institute of ministry of information industry. it ' s aim is to improve performance of stop - band of waveguide band - pass filter ( bpf )

    本論文工作是中國電子科技集團公司第十研究所「十五」預研項目「毫米合成孔徑雷達」中的一部分。要求對目前的e面全金屬膜片波導濾波器進行改進,提高其阻帶性能。
  14. During the fabricating of hts filters, it is important that microstrip circuit connect with the outer

    在高溫超的製作過程中,超電路與外接電路的連接至關重要。
  15. Several issues that are crucial for hts filters packaging and jointing are discussed in detail

    本文詳細介紹了屏蔽盒的設計思路,並對屏蔽盒諧振模式對超的影響進行了討論。
  16. At present, superconductor filter subsystems have been deployed abroad in the field of mobile communication and offered exceptional commercial performance. the design of hts filters is a comprehensive problem of network analysis. according to the condition of calculation and practical size of superconducting films, we configured compacted forward - coupled microstrip filter, with the aid of tumic and sonnet software

    高溫超的設計是一個網路綜合的問題,根據我們目前的設計條件和超薄膜的尺寸因素,我們選用了結構緊湊的前向耦合型電路設計,應用tumic和sonnet模擬軟體,設計了用於移動通訊頻段的高溫超,並對幾個重要參數進行了實驗測試和分析。
  17. Since the coupling line brings about an additive inductance in cutoff waveguide filter, which makes the quality factor bigger and resonant band narrower, it - mode double gap cavities are not more advantageous to achieve wider band than the single gap cavities loaded by cutoff waveguide filters

    因此,模雙間隙腔加載截止波導濾波器型輸出迴路並不比單間隙腔加載截止波導濾波器型輸出迴路有更好的帶寬優勢。
  18. This paper has designed and manufactured a htsc filter working at uhf frequence, in the use of a full - wave solver

    本文採用一種全電磁模擬軟體,設計製作了uhf頻段超
  19. An improved genetic algorithm and its application in e - plane waveguide filter design

    波導濾波器設計中的應用
  20. In this paper, an improved genetic algorithm ( ga ) was applied to the design of high performance e - plane waveguide filters at the first time. for dealing with the shortcoming of ga as low efficiency in local optimum searching, the idea based on parallel genetic algorithm ( pga ) known as separate local optimization was presented. by separating the whole population into sub - populations, and adding a new operator known as crossover between two sub - population, the new method can provide as 2 3 times quickly as traditional ga. all numerical examinations illustrated the high convergence speed and good global searching of the new algorithm, and proved the validity of it

    由於遺傳演算法表現出良好的全局搜索性能,因此本文將其應用於高性能e面波導濾波器的設計中.針對傳統遺傳演算法所存在的局部搜索能力差的缺點,本文在并行遺傳演算法的基礎上,通過將原有群體劃分為多個子群體,利用多個子群進行局部極值點的搜索,並利用群間遷徙,使改進后的演算法收斂速度平均提高了2 3倍.數值實驗表明演算法具有較快的收斂速度和較好的全局搜索性能,證明了演算法的有效性
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