excitation band 中文意思是什麼

excitation band 解釋
激發帶
  • excitation : n. 1. 刺激，興奮，激發，鼓舞。2. 【物理學】激發；【電學】激勵、勵磁。3. 【植物；植物學】激感（現象）。
  • band : n 1 帶，繩；帶形物；箍；箍條；嵌條；鑲邊；鋸條； 〈pl 〉 （法官等的）寬領帶。2 束縛，羈絆；義務；...
  1. In communicaton the bandwidth is an important problem that we should consider, specially in wireless communication. in fact the fiber is mainly used in backbone networks, so it is essential to develop the low rating coding technology of voice. the arithmetic of melp is based on the model of lpc and use the form of mixed excitation. because it integrates the idea of multi - band, so it has the merit of lpc and mbe. it is a perfect coding scheme in low rating voice coding relatively

    而melp語音壓縮編碼演算法是在線性預測編碼參數模型的基礎上，採用混合激勵的形式，並且結合了多帶的思想，因此它擁有線性預測編碼和多帶激勵的優點，是目前低速率語音編碼中一種比較理想的編碼方案，也是本文研究的重點。本論文通過研究melp的語音編解碼演算法的原理，對它的編解碼過程作了比較深入的研究，對其中的一些公式進行了理論推導，並作了模擬分析，最後研究了該演算法的c語言實現。
  2. The coherent excitation property of a two - level atom with a hyperfine structure in narrow band laser field

    窄帶激光與能級具有超精細結構的二能級原子的相干激發
  3. We select fpga of type xc3s200 as hardware to design the coder and display the hardware resources inside, moreover study the method and steps of designing dsp, based on fpga, by using system generator, finally, it emphasizes the design process of multi - band excitation vocoder. we can work out the module of high pass filter and the module of low pass filter, module of divide frame, module of keynote rough estimate, module of keynote fine estimate, module of band - separated v / u judgment / verdict and module of band - separated amplitude estimate, by using simulink, ise and system generator

    本文選用型號為xc3s200的fpga作為設計編碼器的核心硬體，介紹了其內部所含的硬體資源，並研究了利用systemgenerator基於fpga設計dsp的方法和步驟，最後，本文把重點放在多帶激勵語音編碼器的設計上，利用simulink ， ise和systemgenerator分別設計其中的高通低通濾波器模塊、分幀疊加模塊、基音粗估模塊、基音精細估計模塊、分帶v / u判決模塊、分帶幅度估計模塊。
  4. And the main focus is the design, implementation and testing of an adaptive line echo canceller and a vocoder based on multi - band excitation ( mbe ) model

    主要工作是設計並實現電話線路自適應回波抵消器和基於多帶激勵模型的語音編解碼器。
  5. Response of strongly nonlinear oscillator to narrow - band random excitation

    窄帶隨機噪聲作用下強非線性系統的響應
  6. Firstly, it introduces the development of speech coding, along with the significance of the low bit rate speech coding. it also compares the model of traditional dualistic excitation lpc vocoder and the multi - band excitation vocoder, and lucubrates the analytical method of frequency domain and time domain in the parameter extraction of multi - band excitation vocoding. secondly, based on the parameter extraction operation of keynote cycle, it adopts time domain in rough estimate operation of keynote and frequency domain in fine estimate operation of keynote, in according to the immediacy required in practice, to minish operation amount

    本文闡述了一種基於fpga的多帶激勵語音編碼器的研究與設計，首先介紹語音編碼研究的發展狀況以及低速率語音編碼研究的意義，接著對比分析了傳統二元激勵lpc聲碼器模型和多帶激勵編碼器模型，並深入研究了多帶激勵語音編碼參數提取的頻域和時域分析法，然後根據實際應用的實時性要求，為了減小運算量，在基音周期參數的提取的演算法實現上，本文採用在時域進行基音粗估運算，在頻域進行基音精細估計運算。
  7. In the photoluminescence ( pl ) spectra, a new emission band due to the exciton - exciton collision process ( p band ) is observed under low excitation intensity at room temperature. and some fine structures origination from the cavity modes of the fabry - p rot etalon could also be seen clearly

    在單根zno微柱（直徑有25 m ）的p帶發光峰上還可以觀察到明顯的f - p腔模式分佈，通過計算得到其腔長為21 m ，同微米柱的尺寸相當。
  8. To detect whether crosslinking reaction influence the fluorescence properties of the samples, oxygen - evolving psil core complexes were treated with five crosslinking agents at different concentration, then the chlorophyll fluorescence emission, excitation, and intrinsic fluorescence spectra of these samples were measured. the results showed that both chlorophyll fluorescence and intrinsic fluorescence of oxygen - evolving psil core complexes were altered by the crosslinking reaction. the maximum chlorophyll fluorescence band at 682 nm decreased and the intrinsic fluorescence emission intensity at 308 nm and 328 nm either increased or decreased

    結果表明：交聯處理對psll放氧核心復合物葉綠素熒光和內源熒光都有影響，引起682urn處葉綠素熒光強度的降低、 308urn或328urn處蛋白質內源熒光強度的增大或減小，並與處理時所用交聯劑的濃度、交聯劑的親疏水性和交聯臂長相關。
  9. 3. the pl results of si - sio2 films show that emission spectra of samples have 4 luminescent band peak at 320nm, 410nm, 560nm, and630nm, respectively, at room temperature, ta, the excitation wavelength, argon pressure et al

    三根據pl譜，分析了si一510 :薄膜樣品的室溫光致發光現象，樣品有一320 ，翻，一410nm ，一56onm和一630nm四個pl峰，它們的pl峰是相互分離的。
  10. An intruder collective band associated with the h11 / 2 neutron excitation has been identified with spin up to 31 / 2

    建立了基於中子h11 / 2激發產生的集體轉動帶，並將此轉動帶的自旋態擴展到31 / 2
  11. The main contents of the dissertation are as follows : chapter one summarizes the situation and application of response in nonlinear dynamical system under narrow - band random excitation and presents the main contents and arrangement of the dissertation

    第二章和第三章研究了系統（ 1 1 ）在窄帶隨機外部激勵下的共振響應問題。主要討論了w _ 2 3w _ 1 ， 3w _ 1時的情況。
  12. Decomposition of excitation spectra shows that the charge transfer band of eu3 + at the s6 site lies in the high - energy side of that at the c2 site, resulting in that the energy transfer from the host prefers to the s6 site

    光譜分解得出s _ 6格位的電荷遷移帶位於c _ 2格位電荷遷移帶的高能側， y _ 2o _ 3基質傾向于向s _ 6格位進行能量傳遞。
  13. In the high frequency c - v experiments, the large flat - band shift in sio2 / p - sic indicated that there was high density of deep interface states. the deep interface states were simply studied by using photo excitation

    在無光照條件下，比較了n型和p型sicmos的不同特點，對其深耗盡特徵和p型sicmos的平帶電壓作了討論和解釋。
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