頻率計權 的英文怎麼說

中文拼音 [bīnquán]
頻率計權 英文
frequency weighting
  • : 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...
  • : 率名詞(比值) rate; ratio; proportion
  • : Ⅰ動詞1 (計算) count; compute; calculate; number 2 (設想; 打算) plan; plot Ⅱ名詞1 (測量或計算...
  • : Ⅰ名詞1 [書面語] (秤錘) counterpoise; weight (of a steelyard)2 (權力) power; authority 3 (...
  • 頻率 : frequency; rate
  1. The catv charge and control system is mainly composed of the management software 、 the header data modulator and the terminal charge and control equipment. i am responsible for design catv charge and control equipment and test system. the header data modulator is used to encrypt the control single from computer and transmit it into the appointed frequency. the terminal charge and control equipment demodulate out the control single from data modulator and transmit it to the addressing control part, where the demodulated fsk single is received and well - handled by the cpu unit, decode the unauthorized signals and deliver it to the shut point, shut point make use of capability of wideband anf characteristic of shut, then the signal of illegal customer will be turn off and vice versa, the legal customer can receive the normal signal

    前端數據調制器完成對算機輸出的控制信號加密處理,將指令碼載送到一指定點。終端收費控制器解調出控制信號,送至單片機尋址控制部分。單片機尋址控制部分接收經fsk數據解調器送來的信號,送入cpu單元后,解出不授信號,然後向關斷部分送入信號,關斷部分利用pin二極體的寬帶工作能力以及關斷特性,實現對非授用戶或者非法用戶的信號關斷,使之不能正常收視,繳費用戶進行開通正常收視,達到控制用戶通道的管理。
  2. In designing the complex weights for center frequencies of each sub - band, an optimizing method using semi - definite programming " is proposed

    在設各子帶中心上的恆定束寬加時,提出了一種半定規劃的優化方法。
  3. The essence of edid is to set up a normal behavior fuzzy sub collection a on the basis of watching the normal system transfer of the privilege process, and set up a fuzzy sub collection b with real time transfer array, then detect with the principle of minimum distance in fuzzy discern method the innovation point of this paper is : put forward the method of edid, can not only reduce efficiently false positive rate and false negative rate, also make real time intrusion detection to become possibility ; have independent and complete character database, according to the classification of monitoring program, design normal behavior and anomaly behavior etc., have raised the strongness of ids ; use tree type structure to preservation the character database, have saved greatly stock space ; in detection invade, carry out frequency prior principle, prior analysis and handling the behavior feature of high frequency in information table, have raised efficiency and the speed of detection, make real time intrusion detection to become possibility ; have at the same time realized anomaly intrusion detection and misuse intrusion detection, have remedied deficiency of unitary detection method

    這種方法的實質是在監控特進程的正常系統調用基礎上建立正常行為模糊子集a ,用檢測到的實時調用序列建立模糊子集b ,然後用模糊識別方法中的最小距離原則進行檢測。本文的創新點是:通過對特進程的系統調用及參數序列的研究,提出了基於euclidean距離的入侵檢測方法edid ,不僅能有效降低漏報和誤報,而且使實時入侵檢測成為可能;設有獨立而完整的特徵數據庫,根據被監控程序的類別,分別設正常行為、異常行為等,提高了檢測系統的強健性和可伸縮性;特徵數據庫按樹型結構存儲,大大節省了存儲空間;在檢測入侵時,實行度優先原則,優先分析和處理信息表中的高度行為特徵,提高檢測的速度和效,使實時入侵檢測成為可能;同時實現了異常入侵檢測和誤用入侵檢測,彌補了單一檢測方法的不足。
  4. It can dynamically determine the structure information need to index according to real query loads and opti mization of index. second, to consider the effects of structural information on result relevance ranking, this dissertation proposes a ranking algorithm that consider both the frequency distribution and structural distribution of keywords in the result, and a dynamic element - oriented method to compute the weight of keywords

    第二,為考慮xml數據中的結構信息對查詢結果相關度值的影響,本文提出了一種綜合考慮關鍵字分佈特徵和結構分佈特徵的查詢結果相關度演算法,以及一種基於節點的關鍵字演算法,取得了更優的檢索性能。
  5. Then, we establish the finite element analysis models of the antenna in different structure layout, and obtain the corresponding frequencies and model shapes. finally, according to the importance of each object, we set up the model of multiple objects that aims to maximize the first natural frequency and minimize the mass. combining orthogonal experiment and variant weighting coefficient method, we formed an effective multiple objects optimized algorithm basing on the neural network and genetic algorithm

    本文首先詳細的敘述了天線結構的各組成單元,闡明了天線反射拋物面的形成原理;然後在ansys軟體環境中建立了不同結構布局下天線的有限元分析模型,分析算了各種情況下天線的的固有與振型;最後依據天線各指標的重要性,建立了以一階固有最大、質量最小為目標的天線結構多目標優化設模型,並基於神經網路和遺傳演算法,結合正交實驗和變加系數技術,形成了一種有效的多目標優化演算法,在matlab平臺下實現了天線的結構多目標優化設算程序,求得了天線的最佳結構參數。
  6. Focusing on a 64 - bit high - performance general purpose microprocessor with fully independent intellectual property, the thesis investigates a 128 - word 65 - bit general register file with 12 - read and 8 - write ports which is a representational one for its large - scale and multi - port characteristics in that microprocessor, and realizes its full custom design with high speed in read and write access. from the layout simulation result, under the 0. 18um process, the upper limit working frequency for the register file is 900mhz

    本文面向一款具有完全自主知識產的64位高性能通用處理器,對其中具有代表性的128字65位12讀埠和8寫埠的通用寄存器文件進行研究,實現了它的高速讀寫全定製設,版圖模擬結果表明,在0 . 18um工藝下,設可以工作的時鐘上限為900mhz 。
  7. In light of the analysis data results of these experiments, vibration comfort evaluation of human in recumbent position should be done in accordance to the vibration of recumbent passenger ' s head and buttock, referring to the international standard iso2631 / 1 - 1997 ( e ), as well as on the base of correlate studies of whole - body vibration in recumbent position. accelerations of the head and buttock measured have been weighted twice to get at the frequency - weighted acceleration at the buttock and head, the weighted acceleration then is used to evaluate the comfort of human vibration in recumbent position

    依據試驗數據分析結果,臥鋪客車臥姿乘客振動舒適性的評價應依據頭部和臀部振動進行,參照iso2631 - 1 : 1997國際標準,並在相關臥姿振動的評價研究基礎上,對測得的頭、臀部位加速度值進行處理,得到臀?頭部位頻率計權加速度來評價臥姿乘客全身振動的舒適性。
  8. The results showed that, the comfort rates of common sleeper bus on three and four class roads are fourth and fifth grade at average. the weighted accelerations on the back part of the advanced sleeper bus on highway is between 0. 50 ~ 0. 68m / s2, its comfort is 3 class degree ; the weighted vibration acceleration of train ' s in the beneath soft berth on plain main line is 0. 5 ~ 0. 6m / s2, and the comfort degree is 3 class ; the upward berth vibration comfort is 2 class

    數據分析表明,普通公路臥鋪客車在三、四級公路上的臀一頭頻率計權加速度值在0 . 50 - 1 . 30in / sz之間,舒適等級主要為4 、 5級;在高速公路上高檔公路臥鋪客車的後部下鋪的臀一頭頻率計權加速度值在0萬。
  9. By simulating mathematically on frequency and on space, we can find the average speed of space field and the average speed of frequency field that is weighted by amplitude, and analyse their relation, and analyse the meaning of space speed variance x and frequency speed variance v. in the fourth part, how to ensure the height of cloud is introduced, and basing on the theory of wind field continuity, the height updating quality controlling is introduced. in the fifth part, the system of cloud wind is introduced, we tracked cloud - motion of consecutive satellite images with one - minute interval by the 1 - d fourier analysis technique and the two - dim fourier analysis technique and the fft analysis technique, and dispose them with quality controlling. in the sixth part, we summarized our research and put up with shortages of this article

    模擬模塊內各點的速度線性變化時,得到空間域平均速度以及域以振幅為重的平均速度,分析了空間域平均速度和域以振幅為重的平均速度的關系,並揭示空間域的平均速度的標準差_ x和域的振幅為重的平均速度的標準差_ v的意義,以及它們之間的關系;第四章介紹了雲跡風系統的高度指定以及風矢高度的劃分,並根據風場連續性原理,介紹了高度調整法的質量控制;第五章介紹導風系統的流程,選擇了三個時刻的ir雲圖,分別用一維傅立葉相位法、二維傅立葉相位法和快速傅立葉演算法算一個風場個例,並對所得風場進行質量控制,並給出風場圖;第六章進行研究總結,指出不足和有待于進一步研究之處。
  10. It is pointed out that the lifting technique is not suitable for h ( subscript ) synthesis with weighting functions of sampled - data systems

    摘要提升技術已成為采樣系統設的主要工具,但提升變換不能保證響應不變,故不適用於加(函數) h (下標)設
  11. On the other hand, the irls algorithm is employed to design mismatched filters for other signals, such as linear frequency modulated chirp. the methods of improving tolerance of low doppler shifts are given finally

    同時我們還將迭代加最小二乘演算法推廣應用於其它信號形式的脈沖壓縮濾波器設,並提出了有關多普勒性能的改善方法。
  12. This trained bp neural net can output the weight of document feature item if its frequency is inputted, therefore the net can represent the document feature. from tests, this method is proved that it c an applied practicably and simply, and have high precision

    本文設汁並訓練出一個適合的bp網路,給出一個文檔的特徵項出現算出特徵項在該文檔中的重,從而表示出文檔特徵。
  13. In the first part, the research progress of cloud motion wind was introduced and the significance of the 1 - d fourier analysis technique was given. in the second part, based on fluctuation theory and fourier analysis, the one dimension fourier analysis technique on cloud motion winds is deduced and demonstrated theoretically. by simulating mathematically on frequency and on space, we not only uncovered two questions in practice, first is phrase folding, second is frequency spectrum overlapping, but also gave methods and suggestions to solve them or avoid them

    本文由六章組成,第一章介紹雲導風技術的研究進展和傅立葉導風技術的研究意義;第二章以波動理論和傅立葉變換為基礎,對傅立葉相位導風技術進行理論推證和誤差分析,通過模擬分析了空間域和域的導風特點,揭示了在導風過程中出現的相位重疊和譜混疊兩種現象;第三章通過算在空間域速度線性變化情況下域振幅重平均速度(
  14. The visual quality of decoded video information is improved at some extent and psnr value of luminance parts is increased nearly 1 db in error - prone channel. 4. an adaptively rd - optimal coding algorithm was proposed to be aimed at the computing redundancy in h. 264 recommendation algorithm

    針對h . 264標準失真優化編碼演算法中存在的算冗餘過大問題,提出了一種自適應失真優化編碼演算法,將h . 264標準演算法中求解解碼重構視信息期望失真度的代數和平均演算法,改進為加和平均演算法。
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