譜均衡 的英文怎麼說

中文拼音 [pǔjūnhéng]
譜均衡 英文
spectral balancing
  • 譜 : Ⅰ名詞[書面語]1 （按類別或系統編成的書或冊子等） table; chart; register 2 （指導練習的格式或圖形）...
  • 均 : Ⅰ形容詞（均勻） equal; even Ⅱ副詞（都; 全） without exception; all
  • 衡 : Ⅰ名詞1 （秤桿） the graduated arm of a steelyard2 （稱重量的器具） weighing apparatus3 （姓氏） a...
  • 均衡 : 1 （平衡的） balanced; proportionate; harmonious; even 2 （平衡） equilibrium; equilibration; equ...
  1. Dynamic equilibria music display dynamic screen protect function

    動態均衡頻譜顯示，動態屏幕保護功能
  2. Dynamic equilibria music display

    動態均衡頻譜顯示
  3. A balanced diet is an insurance against malnutrition

    均衡的食譜是防止營養不良的保證。
  4. Supervisor point is behind the postposition of power amplifier, optic signals coming from a tap of 99 : 1 enter into optic spectrum scan module, then the power levels which have been calculated by iterative algorithmic are sent to power control module to guide a set of tunable electronic attenuators

    此方案將監測點放在後置功率放大器的後面，從分束器中分出99 ： 1的光進入光頻譜掃描模塊，傳給功率控制模塊的光功率值經過選代演算法后計算出均衡后的功率值送到功率控制模塊的控制中心去調節電可調節衰減器。
  5. By using ofdm technology, we can redu ce the baud rate with a high frequency spectrum utility factor. another advantage of this technology is that the transmission can combat the intersymbol interference ( isi ) at the receiver without complex adaptive equalizer

    Ofdm既有較高的頻譜利用率，也有效地降低了碼速率，在不使用復雜的通道均衡技術的條件下仍然可以較好地克服接收時由多徑效應帶來的碼間串擾（ isi ） 。
  6. Tricepstrum equalization algorithm ( btea ) and super - exponential ( se ) algorithm based on block data estimation is studied, and these algorithms use hos explicitly. their performance, such as estimation variance and bias, is analyzed. a kind of sparse cross cumulant and sparse equalizer is proposed to simplify the se algorithm, and the simulating results show efficient reduction in complication

    ?研究了幾種直接使用高階統計量的演算法，包括基於數據段估計的倒三譜演算法和超指數演算法，分析了演算法的估計方差和偏差等性能；由於超指數演算法計算量較大，不利於實時均衡，利用水聲通道的稀疏性，提出了一種基於稀疏互四階累積量和稀疏權的演算法，有效降低了超指數演算法的計算量。
  7. In wavelength conversion based on four - wave mixing ( fwm ) in soa, balance efficiency can be obtained in larger range when increasing saturation power of the optical amplifier and decreasing the saturation power of spectral hole burning and carrier heating

    而在基於soa的四波混頻（ fwm ）波長轉換中，在提高光放大器飽和功率的同時減小光譜燒孔（ shb ）和載流子加熱（ ch ）飽和功率可有效提高較大頻率間隔處的轉換效率，並保持其在較大頻率失諧范圍內的效率均衡。
  8. When the plane was heated, observation showed that the shape factor increased from 1. 5 to 2. 6 ; the mean velocity profile departed from the law of the wall ; the inertial subrange in the energy spectra curves disappeared ; the intermittent phenomenon occurred

    發現在加熱的情況下，邊界層的形狀因子由1 . 5上升至2 . 6時均速度廓線中的平衡湍流層消失以及速度能譜中慣性子區消失等變化。
  9. Ameliorate the algorithms. in order that our program can work as a software for design of gain equalizer, adaptability and less amount of computing are necessary. algorithm of solve nonlinear equation was ameliorate to decrease the amount of computing

    鑒于本文計算程序的最終目標是生成增益均衡器輔助設計軟體（給出所需耦合器的增益譜的譜形及其參數） ，因此，在計算耦合器的參數時，程序的自適應性和計算量方面具有更高的要求。
  10. ( 3 ). the flattening arithmetic of an edfa was presented based on the inter - correlative function between the gain spectrum function of the edfa and that of the reserve transmission spectrum of the lpfg. for optimal matching between the two spectra, the flattening arithmetic calculates the variation of the resonant amplitude and wavelength of the lpfg

    Iii .提出了一種動態增益均衡的平坦演算法，這種演算法的本質就是利用摻鉺光纖放大器增益譜函數和新型長周期光纖光柵的透射譜反轉譜函數的相關性，給出新型長周期光纖光柵諧振峰幅度和位置的調節量，使改變后的新型長周期光纖光柵的反轉譜線能和edfa的增益輸出譜線進行最佳匹配。
  11. Based on the requirement and target of the projects, firstly, pcf bragg grating are investigated theoretically and experimentally. moreover, the effects of filling high refractive index material ( nematic liquid crystal, nlc ) in pcfs on the transmission mechanism and propagation properties are studied by using plane - wave method and finite - element method ( fem ), farther, several novel pcfs are proposed and designed. lastly, we propose and demonstrate a clad - pumped er3 + / yb3 + - codoped fiber laser, which integrate all performances of broad - band tunable wavelength, uniform output power spectrum, high repeat frequency and high average power to together

    本論文選題于國家973 、 863以及國家自然科學基金等項目，結合課題的要求和主要目標，在對光子晶體光纖（ pcfs ）傳輸特性研究的基礎上，首先對光子晶體光纖光柵進行了理論和實驗研究;然後，採用平面波展開法和有限單元法分析了在光纖的空氣孔中填充高折射率液晶對光纖傳導機制和傳輸特性的影響，提出並設計了幾種新型光子晶體光纖;最後，提出並研製成功連續可調諧、輸出功率譜均衡的全光纖化、高功率包層泵浦鉺鐿共摻光纖激光器實驗樣機。
  12. The initialization method to achieve different equalizer delay local minimum is proposed for btea and se. comparison study using several uwac with different zero locations is made to demonstrate the equivalent of different initialization method for least mean square ( lms ) algorithm, btea, se and cma

    盡管常數模盲均衡演算法的初始化仍然是一個公認的未能解決的問題，但本文通過幾條不同零點位置的水聲通道，對比研究了自適應最小均方誤差演算法、倒三譜演算法、超指數演算法和常數模演算法的不同權向量初始化的等效性。
  13. For rfi and narrowband noise interferences, this dissertation studies notch filter and spectrum equilibrium and uses them to suppress narrow jammings in signal domain

    對于rfi和窄帶噪聲干擾，本文研究了頻域陷波和譜均衡兩種方法，並將之應用到信號域來抑制窄帶干擾。
  14. Through analyzing strata ' s absorbtion and attenuation, the specialty of ssf in system - one ( two ) and 24 - bit a z a / d, the scheme to improve the data acquisition system is brought forward including the design of multiple differential spectrum equilibrium filter ( mdsef ) and program control amplifier

    通過詳細分析地層的吸收衰減特性， system - one （ two ）頻譜整形濾波器及24位a d的特點，對現有採集系統提出了改進方案。其中包括對多級微分頻譜均衡濾波器的理論設計，程式控制型前置放大器的理論分析與設計。
  15. A dynamic gain equalizer device including control circuit, mechanical structure and control program was designed using a cooler and a pzt. a dynamic gain equalizing experiment of the edfa using the designed dynamic gain equalizer was accomplished, and a 1. 2db flatness in the range of 32nm at c - band was obtained. finally, some future improvements were discussed in this

    Iv .設計了一種利用製冷器和壓電陶瓷等來實現動態增益均衡器的裝置，設計了控制電路、機械結構和演算法程序，用這個動態增益均衡器對edfa的增益輸出譜線進行了動態增益實驗，實驗結果基本滿足要求，根據實驗結果，文中還討論了一些改進方案。
  16. It is thus of importance to develop an l - band edfa. however, a conventional l - band edfa is relatively inefficient and has low gain and high noise figure since they are operated at the tail of the erbium gain band. therefore, it is very important to design and analyze a high performance l - band edfa with simultaneously high gain, low noise and low gain ripple for a dwdm system

    開發新的l - bandedfa是十分必要的，然而傳統的l - bandedfa由於工作在鉺光纖增益譜的尾部，其存在增益低、工作轉換效率低、噪聲大等缺點，因此，分析和設計符合dwdm系統發展要求的具有優良性能（高增益、低噪聲、動態增益均衡）的l - bandedfa是十分有意義的。
  17. This thesis studies in adaptive equalization problems, and put the emphases in various adaptive equalizers, channel model, etc. finally, the performance of the presented blind equalizer which are used in digital microwave radio channel are compared and evaluated. the results are of great important in the development of more spectral efficient digital microwave radio - links. the focus is set on low - complexity adaptive equalizers for implementation in digital microwave radio systems

    本文圍繞著自適應均衡技術進行了深入的探討，重點研究了自適應均衡演算法、通道模型等問題，並針對幾種盲均衡演算法應用於數字微波無線通道的均衡性能進行了模擬和比較，其結果對于開發具有更高頻譜利用率的數字微波通信鏈路有著重要的指導意義。
  18. Blind equalization technology is a very popular research topic because it can adaptively equalize without training sequence. blind equalization algorithm based on hos ( higher - order statistics ) was presented and developed in 80 ' s

    基於高階統計量的盲均衡演算法在80年代末出現並得到發展，由於高階譜不僅含有信號的幅度信息，而且還含有相位特徵。
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