波形解析 的英文怎麼說

中文拼音 [xíngjiě]
波形解析 英文
wave analysis
  • : 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...
  • : 解動詞(解送) send under guard
  • : Ⅰ動詞1. (分開; 散開) divide; separate 2. (分析) analyse; dissect; resolve Ⅱ名詞(姓氏) a surname
  • 波形 : [物理學] wave form; shape; wave pattern; wave profile
  • 解析 : analysis; resolution; analyzing; resolving解析幾何 [數學] analytic geometry; cartesian geometry; ...
  1. Powerformer have some changes in constract with the conventional generator , subsequently it also have some new problems in order to have an economical , efficient , credible development and application the structure and the philosophy of electromagnetism of powerformer will be on speaking terms changes electrical design , magnetism design , thermal design and structural design are have some new changes above all , the electromagnetism parameter and the harmonic magnetomotive force of powerformer are studied in this paper first , it mainly utilizes analytics to deduce formula of slot leakage reactance it considers three instances , including monolayer - slot , multilayer isometric - slot and multilayer anisometric - slot then , the analytics and the fem are utilized to calculate slot leakage reactance of stator winding of prototype of powerformer and compare their results second , the theory of utilitzing fem to calculate the reactance of powerformer is simply introduced , including stable reactance , transient and subtransient reactance specially , the saturated influence of the stable reactance is considered then , the results are analysed final , it mainly introduces the influence of harmonic magnetomotive force of stator winding and analyses the harmonic magnetomotive force of stator winding then , it mainly analyse harmonic magneto - motive force of stator winding through arranging various arrays of stator winding and observe their influence

    基於上述原因,本文對powerformer的電磁參數以及定子繞組諧磁勢進行了研究。首先是用法推導出powerformer定子繞組槽漏抗的計算公式,考慮了單層圓半閉口槽、多層等半徑圓半閉口槽和多層不等半徑圓半閉口槽三種情況,並對powerformer樣機的定子繞組槽漏抗用法和有限元法進行了計算,並比較其結果;其次,簡要介紹了有限元法計算powerformer電抗參數的原理,包括穩態電抗、瞬態電抗和超瞬態電抗,對穩態電抗考慮飽和影響,對結果進行分;最後,介紹定子繞組諧磁勢對電機運行性能的影響並對定子繞組諧磁勢進行了分。然後通過對定子繞組進行不同排列來分定子繞組諧磁勢,看看繞組排列對諧磁勢的影響。
  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

    同時利用該方法決了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參數中最為重要的脈沖寬度進行了分,給出了更為嚴格的約束條件,保證了信號處理后距離譜峰值的唯一性。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
  3. This article discussed ar modeling method, capon method, music method and mn method four kinds of high resolution algorithms principle and has separately made the computer simulation in the ideal situation to the above four algorithms. through the comparison, the beam width of high resolution algorithm is much narrower than conventional beamforming method. then unifies the actual utilization, discussed the influence of time delay unbalance, time domain sampling, plane wave supposition and array element with scope and phase not identically to the beamforming and made the computer simulation

    本文首先討論了ar模型法、 capon法、 music法和mn法四種高度演算法的原理,在理想的情況下分別對上述四種演算法作了計算機模擬,通過比較,高度演算法的束寬比常規成法窄得多;然後結合實際運用時的情況,重點探討了延時失配、時域抽樣、平面假設和基陣的幅相不一致對成的影響並做了計算機模擬。
  4. According to the system technology require, adopting singlechip realize open loop digital control of hdclsm ; using v / f conversion and complex key - control method realize digital setting of system parameter, such as velocity ; using micro - stepping control insure the motor running more smoothly ; adopting debasing speed control method to eliminate the mechanical impact of distance termination effectively ; at the same time, analyzing main power circuits drive circuit and protect circuit of system, completing hardware design and facture and software programming and debugging ; at last, making a whole test in hybrid rotary step motor. the experiment result indicates that this control system reaches the qualities required and run smoothly also

    根據系統技術要求,採用單片機實現了混合式直流直線步進電動機的開環數字控制;利用v f變換和復合鍵控方法實現了系統轉速等參數的數字設定;利用細分控制技術保證了電機運行的平穩性,並進行了和理論研究;採用單片機軟體降速控制策略決直線步進電機行程末端的機械沖擊問題;同時對主功率電路、驅動電路和系統保護電路進行了分,完成了硬體設計、製作和軟體編程、調試,最後在混合式旋轉步進電動機上進行了全面測試。
  5. The method of connecting timing into 1ogic i s explained in waveform po1ynomia1 on the basis of waveform concept in boo1ean process theory. and an ana1ytica1 de1ay mode1 that is close to practice circuits is found

    並在布爾過程論中定義的基礎上,說明了邏輯與時序在多項式中的結合方法,建立了接近實際電路的延遲模型。
  6. Analytic analysis of cylindrical shielded coplanar coupled waveguides

    圓柱屏蔽耦合共面導的
  7. As we all known, with the founding of euclidean geometry in ancient greece, with the development of analytic geometry and other kinds of geometries, with f. kline " s erlanger program in 1872 and the new developments of geometry in 20th century such as topology and so on, man has developed their understand of geometry. on the other hand, euclid formed geometry as a deductive system by using axiomatic theory for the first time. the content and method of geometry have dramatically changed, but the geometry curriculum has not changed correspondingly until the first strike from kline and perry " s appealing

    縱觀幾何學發展的歷史,可以稱得上瀾壯闊:一方面,從古希臘時代的歐氏綜合幾何,到近代幾何等多種幾何的發展,以及用變換的方法處理幾何的埃爾朗根綱領,到20世紀拓撲學、高維空間理論等幾何學的新發展,這一切都在不斷豐富人們對幾何學的認識;另一方面,從歐幾里得第一次使用公理化方法把幾何學組織成一個邏輯演繹體系,到羅巴切夫斯基非歐幾何的發現,以及希爾伯特式公理體系的建立,極大地發展了公理化思想方法,不管是幾何學的內容還是方法都發生了質的飛躍。
  8. These conceptions might be used for interpreting " time - lag " of signal and leveled phenomena of waveform - signals that were produced on time - domain figures in application of guided wave to operate nondestructive test

    這一概念,可以釋運用導進行無損檢測得到的時域分圖中信號發生的「時滯」與拉平現象。
  9. This paper starts the research of the liquid floated pendulous accelerometer testing system according to the engineering. at first, this paper gives the brief introduction of the history and present status of accelerometer and its testing technology, the working principium and math model of the liquid floated pendu - lous accelerometer, and then, decides the binary width pulse force retrim loop as the design proposal of testing system, researches the transfer function of every part in the system emphasizly, analyses the stability of the whole accelerometer testing system from the angle of control theoretics by the open loop transfer function of system, and designed the correcting net, analyses the basal problems such as resolution, sampling restraint, precision and so on, designs the hardware testing circuits such as preamplification, band - pass filter, alternating amplifier, phase sensitive demodulatorn, pulse - width modulation, frequency scale circuit, moment current generator. finally, using the graphics program language labv - iew which is designed for testing field especially by ni accomplishes the solfware design of testing system, realized the testing functions

    首先對加速度計及其測試技術的發展歷史和現狀,液浮擺式加速度計的工作原理和數學模型等作了簡要的介紹,然後確定了以二元調寬脈沖再平衡測試迴路為設計方案,並從控制理論的角度進行了分,著重研究了系統中各部分的傳遞函數,利用系統開環傳遞函數分了系統的穩定性,同時設計了系統的校正網路;分了二元調寬脈沖再平衡測試迴路的度、采樣約束以及測試精度等基本問題,並按照系統分的結果設計了包括前置放大、帶通濾、交流放大、相敏調、脈寬調制、頻標電路以及力矩電流發生器等測試系統各部分硬體電路,驗證了電路的正確性,最後按照測試系統的要求,採用了美國ni公司專為測試領域所開發的虛擬儀器工具? ? labview作為測試軟體開發工具,利用該圖化編程語言完成了測試系統軟體部分的設計,實現了測試功能。
  10. According to difference of speech waveform between transition segment and non - transition segment, dividing between sonant is researched using waveform cross correlation. a method of syllable segmentation is presented based on waveform cross - correlation. ( 2 ) pitch detection of speech signals

    決濁音之間的分割問題,本文根據語音中過渡段與非過渡段語音的差異,利用互相關性進行了研究,提出了基於互相關性的音節分割方法,並進行了實例分
  11. A i med at the badu ( k343 ) i arge seale i andslide in the nankun railway, geophysical exploration techniques such as seismic reflection of high resolution and geological radar are appi ied to detect the geologic characteristics of the landslide mass including 3d - conformation, perimeter, geometric parameters, si ippage pattern and distribution of displacement field in this dissertation. besides, acoustic method is used for detection of the former anti - slide piles and potency losing causations of the piles are analyzed and the sound geological conditions for upgrade of the piles are ascertained by the above investigations

    本文針對南昆鐵路八渡( k343 )大型滑坡,運用高度反射地震、地質雷達等地球物理探測技術對滑坡體地質進行了詳細的勘測,揭示了八渡滑坡體的空間態、邊界與幾何參數、滑動方式以及位移場分佈特徵;同時,利用聲探測對原抗滑樁進行了檢測,分了失效原因,並查清了擬建抗滑樁地段的地質條件。
  12. Although many achievements have been acquired in oled structure material, production technology, drive methods, oled technology is just at the beginning, oled has given an equal chance for every company and country, and it is very important for our country to develop displaying technology of our own. the research direction of oled is managing to improve the device lifetime, at the same time found a perfect production technological flow and the global standard production mode. it is still a arduous mission that we want to live up to a batch production of oled displays in the future some years. active matrix organic light emitting diode ( am - oled ) adopts a circuit structure based on matrix addressing, and its driving circuit includes pixel driving circuit and peripheral driving circuit

    在文中,首先,分和研究了有源oled的像素驅動電路,闡述了amoled顯示屏及其周邊驅動電路的結構和原理;其次,提出了qvga度的有源oled顯示屏列電極數據引線的分塊( block )方法,確定屏上驅動電路所需要的控制信號之間時序關系和幅值要求;最後,以fpga控制器的設計為核心,對外圍控制ic進行了具體設計,建立控制器電路模塊模型和演算法流程,通過quartus軟體對其內部的各個電路模塊進行綜合設計和模擬,得到了正確的模擬,完成了度為qvga ( 320 3 240 )的amoled專用驅動電路的設計。
  13. Wavelet transform, which has a multi - resolution analytic character, is a time - scale ( time - frequency ) analytic method of information. moreover, as both of its time - window and frequency - window can be changed it processes the ability of expressing local characters of information in time - frequency domain

    變換是一種信號的時間尺度(時間頻率)分方法,它具有多度分的特點,而且在時頻兩域都具有表徵信號局部特徵的能力,是一種窗口大小固定不變但其狀可改變,時間窗和頻率窗都可以改變的時頻局部化分方法。
  14. The computer speed is speeded up. the numerical results of the present models are in agreement with the theoretical solution and those of physical models. systematical numerical tests show that the present models can reasonably simulate the wave transformation, such as shoaling, refraction, diffraction, reflection, effect of currents and so on

    比較詳細的模型驗證與應用表明,模型的數值模擬結果與、物模實驗值吻合良好;可以較好地模擬浪傳播過程中的淺水變、折射、繞射和反射等多種現象;能正確合理地反映水流對浪傳播的影響。
  15. Linear induction motor is an important kind of machines which have some merits such as simple structure, low cost, durability, convenience for maintenance etc. the subject of this thesis is to study a big circular ring linear induction motor, and the major works in this thesis are summarized as follows : ( 1 ) considering the effects of the finite length of primary core, one - dimension analytical solution for the air gap field is cited in this paper. based on it, the single layer winding magnetic field is studied. considering whole - pitched and short - pitched winding configuration with odd poles and half - fulled slots in both ends, the double - layer winding magnetic field is analyzed, respectively

    本文對大圓環直線感應電機進行了深入細致研究,內容包括: ( 1 )本文採用有限長行面電流作用於有限長鐵芯上的模型,引用了氣隙磁場一維,研究了單層繞組磁場,奇數極半填槽雙層繞組在採用整距和短距時磁場的分、比較,簡單介紹了二維; ( 2 )用有限元軟體ansoft對大圓環直線感應電機空載氣隙磁場進行了靜態分,並分了結果; ( 3 )用軟體進行了額定電壓下的瞬態分,得到了轉矩,位移,轉速隨時間變化曲線圖,利用單極性霍爾元件測定轉速並與軟體計算結果進行了比較,採用等效電路法計算了堵轉時的最大電磁力並做實驗進行了驗證,由實驗測得了三相電流,並與計算結果進行了比較,對其不對稱性進行了定性分
  16. The wavelet multi - analysis is adopted to further understand the microstructure of solids holdup fluctuation, the vivid fingermark images show that it is a fractal and dissipative structure. the low and frequency signals reflect the dilute phase fluctuation behavior and dense phase ( cluster ) fluctuation behavior, respectively. to deep understand the multi - scales characteristic of gas - solids circulating fluidization, the wp decompose methods for obtaining the eigenvalue of gas - solid fluidized bed has been developed. the results show that eigenvalues of different scales are effective for identification of non - uniform and dynamic structure of gas - solid fluidized bed

    多分辨分法得到指紋圖象地揭示了顆粒濃度脈動的自相似、分叉等具有混沌特徵的微觀結構;小后信號中的低頻和高頻成分分別代表了稀相和密相的脈動行為,小包分提取能量特徵值的方法能夠揭示氣固的多尺度特性,不同尺度上的能量特徵值四川大學碩十論文反映了氣固循環流化系統中存在的非均勻動態時空結構。
  17. In this paper, an analytic method is developed for the problem of scattering of steady sh - wave and dynamic analysis of multiple circular cavities in half space

    建立了求半無限空間中界面附近相鄰多個圓孔洞對sh散射與動應力集中問題的方法。
  18. Then, based on the theory of discrete fourier transform, discrete cosine transform and discrete wavelet transform, two invisible image watermarking schemes in transform domain are proposed, one is circular symmetric spread spectrum digital image watermarking based on chaotic sequences, the other is the hybrid image watermarking based on wavelet decomposition and discrete cosine transform. finally, the good performance of the two algorithms is verified by some common image processing and attack experiments

    在分了dft 、 dct 、 dwt的理論與演算法的基礎上,提出了兩種基於變換域的圖像隱水印方案? ?基於混沌序列的圓對稱擴頻水印方案和基於小和餘弦變換結合的水印方案,並通過一些常見的圖像處理及攻擊實驗驗證了這兩種演算法生成水印的性能。
  19. The method using wavelet packet analysis is proposed to extract fault information from vibration signal obtained from testing jig of tilting train. the vector comprised of the energy of signal in all spectrum bands is input to a feed forward neural network

    利用小包分,將擺式車體試驗臺上採集到的振動加速度信號分在相互獨立的頻帶之p內,各頻帶內的能量值成一個向量,將其作為神經網路的輸入特徵向量, 。
  20. The technical characteristics of pulse generating are analyzed, a feasible pulse generating method is given and also the system structure of hardware is presented

    本文分了脈沖發生技術的特點,提出了一套切實可行的脈沖信號的產生方式,並制訂出一套實現脈沖/數據數字產生的決方案。
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