雜波濾波器 的英文怎麼說

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雜波濾波器 英文
clutter filter
  • : Ⅰ形容詞(多種多樣的; 混雜的) miscellaneous; varied; sundry; mixed Ⅱ動詞(混合在一起; 攙雜) mix; blend; mingle
  • : 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(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
  • 濾波器 : [電子學] electric filter; (electric) wave filter; filter
  1. The specific research methods are listed : 1. matched filter taking the max ouput snr as the best rule correlates nonstop divided signal and divided echo to detect low snr target signal. then all one dimension divided correlation outs and done fft in portrait to leach interferential signal such as static or low rate mussy meaves, many pathway echo and so on and to take target ' s time difference and doppler frequency that combine parameters that target ' s direction taken from antenna and so on to implement target ' s orientation and tracking

    具體研究方法如下: 1 、採用以輸出信噪比最大為準則的最佳匹配來對分段的參考和目標信號作相關處理來檢測低信噪比目標信號,然後對一維分段相關輸出組作縱向傅立葉變換來除靜態或低速的、多徑回等干擾信號,並提取目標的時差和多普勒頻率,再結合由天線獲得的目標方向等參數,就可以實現目標的定位和跟蹤。
  2. The rf front - end structure is predigested greatly due to using the electronically tunable filters

    由於電調的選用,降低了射頻前端系統的復度,射頻結構得以大大簡化。
  3. At present, the typic harmful current detection methods are the fast fourier transform algorithm in frequency domain and methods based on the instantaneous reactive power theory, these methods all require some transform and quick, real - time calculating, so high precision analog multipliers or high speed dsp chip with fast a / d are needed, this results in complex circuit and high cost , which have restricted the development of apf

    目前畸變電流檢測常用的方法有頻域法的fft和基於瞬時無功理論的畸變電流檢測法。這些方法均有一定的變換,需要快速、實時運算,因此必須使用高速的數字微處理和高性能a / d轉換,這必將大大提高系統成本,使得電路結構復,在一定程度上限制了有源的發展。
  4. Pwm converter has low efficiency at light loads and high amplitude harmonic. on the other hand, the control circuit and filter for pfm are much complex

    Pwm調制模式的spic在輕載下效率較低,控制脈沖諧峰值較大; pfm控制電路較為復,后續設計困難。
  5. The correlative items of dc filters are researched on the basis of gezhouba - shanghai hvdc transmission project. in the analysis the three - pulse model is used to simulate converter, which takes into account the impact of the stray capacitance. the harmonics distribution on dc lines is simulated accurately, especially the harmonic ignored in old models

    本文以葛上直流輸電工程為基礎,研究直流設計中的相關問題,採用考慮了散電容的三脈動模型來建立換流站模型,更為準確地模擬出直流輸電線路上的諧分佈情況,尤其是模擬出舊模型中忽略的次(為自然數)諧,為直流的設計提供了更精確的數據和判斷依據。
  6. Fini air treatment systems for industry are composed of refrigerating dryers, filters for separating impurities, condensate drain cocks, water - oil separators, tanks and all other components necessary for adapting the compressor room to your needs

    工業用的fini空氣處理系統由冷藏乾燥組成,專用於壓縮機房的空壓機由分開質,排水閥,水油分離,氣罐和全部必要的其他零部件等適合你的需要。
  7. Finally the module is accomplished successfully after installation and debugging. it mainly consists of the minimum system of dsp, a / d conversion circuit, cpld control logic, watchdog circuit, op amplifier and filter circuit

    該模塊主要由數字信號處理最小系統、模數轉換電路、復可編程邏輯件控制邏輯、看門狗電路、運算放大電路和模擬電路構成。
  8. The structure analysis and design of interpolation filter for symbol synchronization are introduced, based on which a poly - phase structure of interpolation filter with high accuracy and low complexity is presented

    其次,介紹了符號同步中內插的常見結構及其設計方法,並給出一種具有較高精度和較低復度的多相型同步內插結構。
  9. Afterwards, in order to decrease the contradiction between the more complex and mass remote sensing image data and relatively slow speed of information extraction, an improved sfim image fusion method is proposed. this modified algorithm is on the base of sfim fusion technique, combines ihs method and sfim method and then replaces the former mean filter by an adaptive weighted mean filter. compared with the results of several common fusion techniques through a set of simulation tests between multispectral images and panchromatic images, it is proved that the new method can get an excellent result for the aim of improving spatial resolution while preserving the spectral information of multispectral images

    論文的主要工作和成果包括:在像素層,論文研究了多傳感數據融合理論及遙感圖像預處理的過程和步驟,歸納了多源遙感圖像像素層融合的常用演算法,並針對目前遙感數據呈海量化、復化這一發展趨勢同遙感信息提取的能力和效率滯后這一矛盾,在sfim演算法的基礎上,將ihs變換與sfim相結合,將原演算法中的均值改進為自適應加權均值,提出了一種改進的sfim演算法,通過對一組多光譜圖像和全色圖像的雙傳感融合模擬對比試驗,證明了該演算法在保持原多光譜圖像光譜信息的同時,能夠有效提高融合圖像的空間分辨能力。
  10. Firstly, while the nominal model is used, the filtering effect is very good. secondly, when the system model is n ' t definite, the filtered heading angle and rudder angle are steady in the error range. finally, when the complicated nonlinear wave model replaces the linear wave model, the filtering effect is also steady, and the estimate precision is high

    首先,模擬是在名義模型的情況下進行的,此時h _效果很好;其次,我們在系統模型具有攝動的情況下進行模擬,此時經h _后的航向輸出和舵令輸出基本能夠達到穩定;最後,我們採用較復的非線性海浪模型代替線性海浪模型進行模擬, h _效果也是比較穩定的,並且估計精度較高。
  11. Using separate tuning components would make the circuit complex and difficult to realize, so with the help of the optimization methods, we use the stubs of the filter as the tuning components

    本文藉助優化演算法,利用的短截線實現對pin二極體寄生參量的調諧,使短截線發揮了雙重作用,而且也克服了一般調諧元件不宜安裝、使電路結構變得復等缺點。
  12. A spectrum estimation operator is designed and applied in the genetic algorithm to derive the filter coeffients so as to get the satisfactory spectrum property

    設計了一種譜估計子,按照該估計子可使遺傳演算法找到較優的系數,得到滿意的譜特性。
  13. Improves sound and picture, noise cut without side effects, not the like as noise filter, plug into the free outlet,

    改善聲音和畫質,減少訊,沒有訊電源具的副作用,插在空的插座上
  14. Comparing with si ( sin ( x ) / x ) interpolator, cubic interpolator with low pass filter, and winner interpolator in 16qam ofdm system both in mean square error and bit error rate without encoding, the results of the method proposed by this thesis show that the performance is better than si interpolator and cubic interpolator with low pass filter, and close to the winner interpolator but the complexity is much lower than the latter

    在16qamofdm系統中,將其與帶低通的si ( sin ( x ) / x )插值法、 cubic插值法和winner插值法進行了通道估計的均方誤差和無編碼的誤比特率的模擬結果進行了比較。結果表明,本方法的估計性能優于si和cubic插值法,接近優化的winner插值法,但其計算復度與winner插值法相比卻大大降低。
  15. At last, the encoding hardware structure of mpeg - 1 layer ii is put forward. second, in the paper, we have analyzed every module of the structure and estimated it ' s complexity. then the sub - band filter bank and psycho - acoustic modules are more investigated

    其次,分析了硬體結構中各個模塊並估計了它們的運算復性,然後對子帶組和心理聲學模型作了進一步的探討,提出了基於fft的高效實現演算法及其硬體結構。
  16. Based on the combination of the adjacent diffusion method and the selective smoothing filter, a new anisotropic diffusion algorithm for image enlargement is proposed, which is called as the adjacent diffusion and selective smoothing algorithm ( adass )

    摘要提出了一種新型的各向異性擴散圖像放大的鄰域擴散選擇平滑法( adass ) ,將鄰域擴散法與選擇平滑相結合,降低了演算法的復度,並提高了圖像的放大質量。
  17. In this paper, a new optimization method based on immune memory clonal selection algorithm ( imcsa ) for designing digital filters with coefficients in sum of power of two ( sopot ), which can be implemented without multiplier, is proposed

    摘要文章提出了一種基於免疫記憶克隆選擇演算法設計整型數字的方法,可獲得頻率特性很好的數字,克服量化系數引起的性能降低問題,而且可降低實現的復度。
  18. A proper t - s fuzzy model is adopted to describe the complex nonlinear system. based on the method of local linearization, the idea of generalized predictive control ( gpc ) and the definition of finite impulse response are utilized to design the novel control strategy. the new method not only is different from the common predictive pid control, but also solves the problem that the system ' s order is restricted in the reported papers

    該方法採用ts模糊模型來描述復的非線性系統,同時在局部線性化基礎上結合廣義預測控制的思想和有限脈沖響應的定義,提出了一類新型的模糊預測pid控制的實現方法,該方法不僅有別於一般的預測pid控制的設計,而且解決了一般預測pid控制設計當中對系統模型階次的限制問題,從而將其推廣到了一類更廣泛的系統。
  19. However these converters become more complicate. phase - shift zvs technique has been used in bidirectional dc / dc converters since it can realize zvs for all switches without auxiliary switches. however when the amplitude of input voltage is not matched with that of output voltage, the current stresses and rms currents of the converters become higher, in addition the converters can not achieve zvs under light - load condition

    諧振、準諧振或多諧振技術方案,變換的電壓電流應力較高,變頻控制增加了設計的難度;能量緩沖吸收電路或有源鉗位電路方案,由於需要增加多個額外輔助元件,增加了變換的復性;全橋相移技術方案,由於主電路無需增加額外元件,只需利用相移控制,即可實現軟開關,因此引起關注。
  20. To the first one, the method of new sidelobe - suppression filter and the method of cutting big signals from the echo are put up, and the result is fine. to the second one, get the echo without earth clutters, and send it to the adaptive system as the input signal, so that the best result can be reached. finally the influence of the bad signal is given

    針對旁瓣問題,提出新型旁瓣抑制方案和從回中去除大功率信號方案,取得較好處理效果;在和相控陣處理的融合問題上,提出去除回中地的方法,為自適應處理提供較好的數據源;最後簡要分析惡劣環境對信號處理的影響。
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