波峰法 的英文怎麼說

中文拼音 [fēng]
波峰法 英文
wave front method
  • : 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...
  • : Ⅰ名詞1. (山的突出的尖頂) peak; summit 2. (形狀像山峰的事物) peak-like thing Ⅱ量詞(用於駱駝)
  • : Ⅰ名詞1 (由國家制定或認可的行為規則的總稱) law 2 (方法; 方式) way; method; mode; means 3 (標...
  1. Arranged successively in ascending powers of hierarchical order, that of gardener, groundsman, cultivator, breeder, and at the zenith of his career, resident magistrate or justice of the peace with a family crest and coat of arms and appropriate classical motto semper paratus, duly recorded in the court directory bloom, leopold p., m. p., p. c., k. p., l. l. d. honoris cause, bloomville, dundrum and mentioned in court and fashionable intelligence mr and mrs leopold bloom have left kingstown for england

    按照越往上權利越大的等級制度順序,他曾經是園丁莊稼人耕作者牲畜繁殖家仕途的高是地方長官或治安推事。他擁有家徽和盾形紋章以及與之相稱的拉丁文家訓時刻準備著,他的名字正式記載于宮廷人名錄252中布盧姆,利奧德保,下院議員,樞密顧問官,聖巴特里克勛級爵士253 ,名譽學博士。
  2. By using the processing method of sliding time window, the problem of the periodicity range ambiguity is solved. meanwhile, the problem of range ambiguity which is produced because the range of target is biger than the maximum range of radar is also solved by using this method. then, the pulse width parameter which is the most important in the parameters of fmicw is analyzed. the stricter restrict is given to ensure the range spectrum has only one beat frequency after signal processing. at last this thesis introduces the different signal processing methods of fmpcw and fmicw

    同時利用該方解決了fmpcw信號的由於目標距離超過雷達的最大單值測距范圍而引起的距離模糊問題。然後對fmicw形參數中最為重要的脈沖寬度進行了分析,給出了更為嚴格的約束條件,保證了信號處理后距離譜值的唯一性。最後,分別介紹了fmpcw和fmicw信號的不同處理方式,並對兩者不同的時域濾性能進行了比較,並對二者的差異進行了分析。
  3. According to the variation, features of the integrand, the values of peaks and troughs are taken out and formed a slowly convergent series, and the repeated averaging scheme is performed to calculate the limit rapidly and accurately

    根據被積函數的變化特點,將谷值抽取出來組成慢收斂序列,利用重復平均快速而準確地求出其極限值。
  4. E., the carrier frequency of a gaussian beam deviates from the resonant frequency of a fabry - perot etalon ), variations of the peak intensity, the position of the peak intensity and the dwdm systems, has received considerable attention. in this work, after taking into account the wavelength - depended reflectivity distribution profile of a fiber bragg grating, the oscillation wavelength # _ ( 1 ) of long external cavity fiber bragg grat

    與共振情況(即高斯光束的載頻率與布里一拍羅濾器的諧振頻率一致)相比,非共振條件(即高斯光束的載頻率與布里一拍羅濾器的諧振頻率存在偏差)一透射光束的值強度、值強度所對應的位置、以及光斑的大小隨入射角的變化都發生了顯著的改變。
  5. A logarithm - kurtosis based complex algorithm for blind signal extraction and blind beamforming

    基於度自然對數最大化的信號盲分揀演算和盲束形成
  6. By the scattering factor of henke, we calculated the peak reflectence of all possible material pairs from the recurve method of thin film optics. from the calculating results, the best material pairs of the five wavelengths are determined

    從薄膜光學理論的遞推出發,以henke的散射因子為依據,計算了候選材料的值反射率,從中得到了軟x射線短段的五個長處的最佳材料配對。
  7. A new damping estimation method, the secant line method, was presented, that is based on the distance of neighbor peaks and valley of oscillation

    摘要提出利用相鄰谷之間距離估計阻尼比的割線方
  8. By improving the conventional electric - arc fusion method, we have realized the splicing between two kinds of mofs and smf with relatively low splice losses. we have written fiber bragg gratings in grapefruit mof successfully. the multi - wavelength resonances are observed in the grating, and theoretical analysis shows that this phenomenon is caused by the resonances between core modes and cladding modes

    在此基礎上對微結構光纖光柵進行了理論和實驗研究,在柚子型光敏微結構光纖上成功寫制了布拉格光柵,觀察到多長的反射,並利用全矢量有限元方對微結構光纖布拉格光柵中的多長諧振現象進行了理論分析,最後在實驗上對其在多參量傳感和多長光纖激光器件中的應用進行了嘗試。
  9. In this paper, i consider the traveling wave solutions and peakons of the generalized camassa - holm ( gch ) equation and give the express of the solitons of this equation. the peakons and their figures of the gch equation are given with the mathematic software for m - 1, m = 2 and m = 3 in particular ; for m = 3, i get the generalized dissipative camassa - holm equations by adding a dissipative term and find two types exact traveling wave solutions of this equations. i also apply the homogeneous balance method into the gch equation so that i get a group of smooth solutions for m = 2 and m = 3 and the backlund transformation for m - 3 of the gch equation

    本文研究廣義camassa - holm ( gch )方程的行孤立子解及尖孤立子解,給出gch方程的行孤立子解的表達式,特別的,對m = 1 、 m = 2 、 m = 3時利用mathematica數學軟體進行計算,解出了gch方程的尖孤立子解,並給出了此時gch方程的尖孤立子解的圖形,使數值分析和理論相結合;對m = 3時的gch方程增加一耗散項u _ ( xx )后得到廣義耗散camassa - holm方程,並解出此方程的兩類精確行解;本文將齊次平衡應用到gch方程中,解出m = 2 、 m = 3時的gch方程的一組光滑解,同時應用此方得到了m = 3時的gch方程的backlund變換。
  10. Study on second filtering algorithm based on tracing the interfering spectral peaks of radar non - contact life - parameter detection system

    基於雷達式非接觸生命參數檢測中跟蹤干擾譜的二次濾演算研究
  11. In hardware, we choose anti - disturbance photoelectric isolative sensor, take rc filter to resolve high - frequency for anti - disturbance. in software, we adopt arithmetic of recursion mean value to collective signal values to resolve low - frequency ac and pinnacle pulse disturbance

    在硬體方面,選用抗干擾能力強的光電隔離電量傳感器,並採取rc濾抗干擾措施解決中高頻干擾問題;在軟體方面,對採集到的信號量採取遞推平均值演算,解決低頻交流和尖脈沖干擾問題。
  12. Iteration method of peak recognition and tree representation

    迭代和樹表達模型
  13. We discussed the main characteristic parameters of seismic kinesiology and dynamics of mine engineering fracture zone, including relative amplitude, phase time of wave crest, similarity factor, principal frequency band energy, 3 - d space time gradient and coherent coefficient et al., and puts forward the processing method of 3 - d seismic characteristic parameters about denoise - smoothing, generalization, correlation analysis, characteristic transformation ; and presents the method of pattern recognition of mine engineering fracture zone

    摘要本文從時間域、頻率域、三維空間域介紹了礦山工程裂隙破碎帶主要的地震運動學、動力學屬性參數,包括相對振幅、相位時間、相似系數、主頻帶能量、二維空間時間梯度和相干系數等,提出了礦山工程裂隙破碎帶三維地震屬性的去噪平滑、歸一化、相關分析、特徵變換的處理方以及裂隙破碎帶的模式識別原理與方,並用實例說明了該方的應用效果。
  14. 2. clipping is used to reduce the papr ( peak - to - average power ratio ) of multicarreir gmsk signal. the conclusion is that the moderate clipping introduces small performance degradation

    採用削來降低多載gmsk信號的平比,結論是中等程度的削只引起系統性能的略微下降。
  15. The fft inversion method is fit for reconstruction of density distribution with sharp peaks and complex shape. the results of numerical simulations of this method show high inversion accuracy and fast calculation speed

    快速傅立葉變換適合於重建具有陡峭和復雜形狀的等離子體密度分佈,數值模擬的結果表明該方具有計算精度高和速度快的特點。
  16. First of all, this paper introduces the whole design project and interrelated knowledge about non - destructive detection, ultrasonic detection, and phased - array ultrasonic detection then the paper depicts the principle of phased - array focus and abstracts a set of math model and feasible arithmetic on the base of the real parameter of the system. put forward several problems that exist during the course of system development and program. introduce some measures of distinguish that are often used in non - destructive detecting and echo wave crest

    然後在文中以較大的篇幅,描述了相控陣聚焦的原理,並根據該系統的實際參數,抽象出一套數學模型和可行的演算,在此基礎上提出了在系統開發過程及編程實現過程中存在的一些問題;介紹了在無損檢測中缺陷的分類和對回常用的識別方,詳述了系統開發過程中使用的其中一種識別方,即判別是否存在缺陷的演算,並給出實現之的部分核心程序;詳述主控程序如何控制各部分並協調各相關軟體的工作,使整個系統發揮最高效能,並給出主要設計框圖和程序。
  17. Based on the developing of ims narcotics detector, this article analyzes the kernel of real time operating system, introduces how to using real time multi - task operating system as object - develop environment, puts forward the analyzing and designing methodologies used in ims narcotics detector embedded software designing which is based on rtos, conceives a data - flow structure model for embedded software design, and provides an effective resolvent for middle or little real time system. it also deals with the arithmetic for peak - location ( mobile - time ) finding and temperature control, and at last summarizes the points for attention when applying rtos

    本文主要以離子遷移譜毒品偵查儀的研製為工程背景,重點是剖析實時多任務操作系統內核,介紹如何以已有的實時多任務操作系統為目標系統實現環境,提出基於rtos開發離子遷移譜毒品偵查儀所採用的分析和設計方,構思了一種基於數據流圖結構模型的嵌入式軟體設計方,提供一種設計中、小型實時系統的有效解決方案,並就系統實現中位置(遷移時間)的查找以及溫度控制等設計了演算,總結了應用rtos開發應注意的問題。
  18. These researches provide us a basis for forecasting the pests in grain in earlier stage, accurately utilizing pesticides, improving the efficiency of prevention and reducing the loss of stored grain. the sound absorption properties of various types and thickness of grain are measured by means of the standing wave tube technique. the following conclusions can be drawn : for the same thickness the larger grains has a smaller sound absorption coefficient than the smaller grains

    為了有效地研究儲糧害蟲所產生聲信號在各種糧食中的傳播特性,本文採用駐,對十一種不同種類糧食在不同堆積厚度情況下的吸聲性能進行了實驗研究,糧食吸聲特性與其顆粒的大小、形狀、排列方式及糧食堆積厚度等有關,存在一定的規律,得出如下結論:同一厚度下,顆粒大的糧食較顆粒小的吸聲性能差,顆粒由大到小,吸聲系數值頻率向低頻方向移動;球形顆粒糧食較長形顆粒吸聲性能差。
  19. Recognition underground metal target algorithm base on phase of target echo can recognize buried mental target. it ’ s shorting is too many false alarm

    基於目標回值相位特徵的地下金屬目標識別方可以比較準確地識別出金屬目標,缺點是虛警高。
  20. Study several algorithms : localization underground target algorithm base on step threshold of block energy 、 localization underground target algorithm base on the best automatic curve fitter 、 recognition underground metal target algorithm base on phase of target echo. test above algorithms using signal acquired on field

    具體研究了:基於塊能量階梯閾值的目標檢測定位方、基於自動最佳擬合曲線的速測定和目標定位方、基於目標回值相位特徵的地下金屬目標識別方
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