頻率分配 的英文怎麼說

中文拼音 [bīnlǜfēnpèi]
頻率分配 英文
allocation of frequencice
  • 頻 : Ⅰ形容詞（次數多） frequent Ⅱ副詞（屢次） frequently; repeatedly Ⅲ名詞1 [物理學] （物體每秒鐘振動...
  • 率 : 率名詞（比值） rate; ratio; proportion
  • 分 : 分Ⅰ名詞1. （成分） component 2. （職責和權利的限度） what is within one's duty or rights Ⅱ同 「份」Ⅲ動詞[書面語] （料想） judge
  • 配 : Ⅰ動詞1 （兩性結合） join in marriage 2 （使動物交配） mate （animals） 3 （按適當的標準或比例加以...
  • 頻率 : frequency; rate
  1. In this paper, the concept of acceleration ambiguity function ( aaf ) and acceleration resolution is put forward for the first time. using aaf, the effects of target ' s relative acceleration on several outputs of a linear - phase matched filter are analyzed, such as the output signal - noise - ratio loss, the doppler resolution, the constraint on optimal accumulative time ( opt ) and their tolerable limits

    論文首次提出並研究了加速度模糊函數和加速度分辨力的有關概念，並以加速度模糊函數為分析工具，詳細討論了加速度對線性相位匹配濾波器的輸出信噪比的損失程度、對多卜勒頻率分辨能力的影響程度、對最優相參積累時間的約束關系以及線性相位匹配濾波器輸出受加速度影響的容限等問題。
  2. That is, if we want to assign frequencies to a pair of adjacent cities or radio stations, then the difference of those two frequencies used has to avoid the set t. the t - colorings of multigraphs is a more practical case of t - colorings of graphs where interference may occur on different level

    頻率分配問題的圖論模型可以這樣得到：令收發信機為圖中的點，兩點之間有邊當且僅當這兩個收發信機干擾。重圖的t -染色是圖的t -染色的一個較為實用的部分，這是因為在研究頻率分配時，干擾可能會在不同的水平上發生。
  3. Finally, using the low loss 3 - db three port network as power dividing and combing network and using hmmc 5040s fabricated by agilent co. as single - way amplifiers, with the help of e - plane waveguide to microstrip transition, we have designed a two - way power combing circuit with waveguide as interface ports. in 33ghz ~ 35ghz, the measured saturated output power is about 170mw, and the combing efficiency estimated is greater 70 %

    最後，採用我們設計的3 - db三埠網路作為功率分配、合成網路，以常用的微帶e面探針作為微帶-波導過渡結構，採用agilent公司hmmc5040作為放大單元，製作出了波導介面的兩路合成電路，在頻率為33 35ghz實測飽和功率達170mw ，合成效率高於70 。
  4. The technical requirements of operational frequency distribution and anti - interference of sound for fish finders

    探魚儀工作頻率分配及其防止聲波干擾技術條件
  5. Abstract : a new algorithm applied to the fixed channel assignment in the cellular pattern is proposed. it is based on the theory of evolutionary algorithm. it uses the concept of multiple reuse plan ( mrp ) and solve the problem of large scale through blocking algorithm, and it is a fast 、 efficient and parallel searching method. it has been used in frequency plan system of beijing university of posts and telecommunications. it has been used in several plan project for some city, and been adopted because of its good performance

    文摘:提出了一種新的用於蜂窩移動通信中小區規劃的固定頻率分配演算法.它基於遺傳演算法的基本理論，運用多層頻率復用的概念和分塊演算法解決了大規模區域的頻率規劃問題，是一種快速、高效的并行式搜索的頻率分配演算法.該演算法已用於北京郵電大學的頻率規劃軟體系統中，並用它為幾個市區作過規劃，效果滿足要求，且已被采納
  6. In the part of modulation and demodulation, we analyzed the principles of harmonic mixer, detectors, power dividers / combiners and branch - line couplers

    對調制/解調器射頻電路部分，包括亞諧波混頻器、檢波器、功率分配/合成器和分支線耦合器基本原理進行了分析。
  7. The precipitation frequencies is analysed according to 1956 ~ 2000 years of rainfall record series in baoding area. the features of distribution of rainfall are detailed evaluated. firstly, the distribution of monthly precipitation is not even. for instance. the annual rainfall amount is about 548mm in whole year, about 80 % of them in summer season. secondly, yearly variation of rainfall is greater. thirdly, the abundant years usually are followed by short years, but the important changes have taken place in the last decades. before 70 ' s the abundant years took the dominant position, from the 70 ' s to the middle of 80 ' s the short years took place more frequently than ever. after the later of 80 ' s, the short years hold the main position. the above knowledge is instructive for guiding the rainwater resources effective utilization

    本文利用1956 2000年保定市的長系列降雨資料，對保定市降水量進行了頻率分析、年內變化分析和多年變化分析，明確了保定市降水量年內、年際間的變化情況：保定市降水量年內分配不均，汛期（ 6 - 9月）占年降水量的81 。保定市降水量年際間變化大，豐水年和枯水年交替發生， 70年代以前以豐水年段為主； 70年代到80年代前期降水量豐枯交替頻繁，總的接近於枯水年段； 80年代後期至今以枯水年段為主。這種降水分佈規律對農業生產雨水資源的高效利用具有重要的指導意義。
  8. The system is composed of 16 sets of high - power solid - state t / r modules, 1 set of feed network and rf - cable network

    本系統由16套大功率固態t / r組件、 1套功率分配網路和1套高頻電纜網組成。
  9. 3. a raytrace model of both co - axis and non - axis beam propagations for high - power solid - state laser systems has been set up and simulations on shots have been conducted to get the spot distribution at target point. according to the requirement of system design and theory of mathematic statistics, the dispersion circle and frequency distribution, which optimize the stability allocation of optical components, have been presented

    3 、建立了共軸與非共軸相結合的光線追跡模型，通過對大型固體激光裝置打靶的模擬模擬，獲取光束在靶點處的彈著點分佈，依據總體設計要求，運用數理統計原理，採用彌散圓和頻率分佈方法對彈著點分佈進行分析，優化光學元件穩定性分配指標。
  10. The lagrange multiplier method using rate and distortion information is then applied to optimal allocates bitrate for each frame in fine granular scalability substreams

    基於拉格朗日乘子法的最優化碼率分配演算法可以利用該模型中的率失真信息分配碼率，在碼率一定的條件下提供最好的視頻效果。
  11. T - colorings of graphs arose from the frequency assignment problem. hale [ 8 ] formulated it in graph theory language

    圖的t -染色的概念起源於通信領域中的頻率分配問題。
  12. Finally, the production, which is designed and debugged all by myself, c band fine resolution low phase noise frequency synthesizer was introduced by module, including respective schedule, frequency distribution and phase noise experiment results. then whole circuit phase noise result, picture of spectrum with spur were presented, by which above theory was proved, analysis of the result was given, and the existing problem as well as methods to resolve it were motioned

    論文最後對自己設計調試的樣機c波段小步進低相噪頻率合成器進行了分模塊介紹，包括各部分的原理框圖、頻率分配和相噪測試結果，然後給出了整個樣機的相噪、雜散頻譜測試結果，對上面提到的理論進行驗證，並對結果進行了討論分析，提出了樣機現存的一些問題和幾點解決措施。
  13. In the gsm 1800 system, the 4 x 3 frequency allocation mode can meet the need, while in the gsm 900 network, the usual practice is that for the bcch carriers, the 4 x 3 reuse mode is used and for other channels, the 3 x 3 frequency hopping reuse mode is used

    在gsm1800的系統中， 4 3的頻率分配方式能滿足需要，而在gsm900中，通常bcch載頻採用4 3復用方式，其它通道採用3 3跳頻復用方式。
  14. Frequency layout plan of in - building coaxial cable distribution systems consultation paper

    大廈內同軸電纜系統的頻率分配計劃諮詢文件
  15. Frequency layout plan of in - building coaxial cable distribution systems - result of public consultation

    大廈內同軸電纜系統的頻率分配計劃諮詢結果英文版
  16. Submissions to the consultation paper on frequency layout plan of in - building coaxial cable distribution systems

    就大廈內同軸電纜系統的頻率分配計劃諮詢文件所提交的意見書英文版
  17. Dynamic frequency allocation

    動態頻率分配
  18. Mobile allocation ma

    移動臺頻率分配
  19. Notes of discussions in the industry workshop on frequency layout plan of the in - building coaxial cable distribution systems conducted by ofta on friday, 11 june 1999

    電訊管理局在一九九九年六月十一日（星期五）就大廈內同軸電纜系統的頻率分配計劃舉辦的業界研討會的討論紀要（只提供英文版本）
  20. Current cellular networks reuse the same radio frequencies by assigning them to cells far enough apart to reduce interference

    當前的蜂窩網路通過將相同的無線電頻率分配到遠遠分隔的小室來減少干擾，以重復使用這些頻率。
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