波面圖 的英文怎麼說
中文拼音 [bōmiàntú]
波面圖
英文
skiodrome-
Let's now examine the simplest wave form where the profile is a sine or cosine curve.
現在讓我們來考察最簡單的波形，它的剖面圖是正弦或餘弦曲線。Arsenal counterpart arsene wenger will be less enamoured by the prospect of trips to porto, cska moscow and hamburg
阿森那教練溫格面對強大的波而圖，莫斯科陸軍和漢堡。Adopting high speed digital signal technique of collection and processing to get indexes which can show the unevenness, such as cv, uneven curves, spectrogram, etc
採用高速數字信號採集處理技術，能得到cv值，不勻曲線，波譜圖等反映紗條不勻信息的有用指標，人機界面友好，操作簡單方便。( 2 ) the causation that the caustic phenomena of electromagnetic wave propagation in two - dimension concave reflectors occurs and the types of singularities in caustic fields are investigated, and the conclusion that there are two types of singularities ( fold and cusp ) in caustic fields in two - dimension concave reflectors is obtained ; by symplectic geometrical method, formulations of computing wave fields in and far away from caustic fields in two - dimension concave reflectors are deduced, and the results are plotted in pictures. ( 3 ) the cause of the caustic phenomena of electromagnetic wave propagation in three - dimension concave reflectors and the types of singularities in caustic fields is discussed, and the conclusion that there are three main types of singularities ( fold, cusp and swallowtail ) in caustic fields in three - dimension concave reflectors is obtained ; by symplectic geometrical method, the formulae of computing wave fields in and far away from caustic fields in three - dimension concave reflectors are deduced. particularly, the wave fields in ellipsoid concave reflector are computed, and the results displayed in special sections are given
論文主要包括三個方面： （ 1 ）分析了凹面反射的焦散現象，給出了不同凹面反射的焦散圖； （ 2 ）分析了二維凹面反射波動場焦散現象產生的原因及焦散區奇性的種類，得出了二維凹面反射波動場焦散區奇性主要有折疊（ fold ）和尖點（ cusp ）兩種的結論，利用辛幾何方法構造了圓錐曲面反射波動場非焦散區和焦散區的通用計算公式，並給出了圓柱面、橢圓柱面及雙曲柱面反射的計算結果； （ 3 ）分析了三維凹面反射波動場焦散現象產生的原因及焦散區奇性的種類，得出了三維凹面反射波動場焦散區奇性主要有折疊（ fom 、尖點kusp和燕尾k ）三種的結論，提出了利用辛幾何方法計算三維凹面反射波動場非焦散區和焦散區的計算方法，並給出了三軸不等橢球體凹面反射波動場的計算結果剖面圖。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 ）本文採用有限長行波面電流作用於有限長鐵芯上的模型，引用了氣隙磁場一維解，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析、比較，簡單介紹了二維解； （ 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析，並分析了結果； （ 3 ）用軟體進行了額定電壓下的瞬態分析，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波形，並與計算結果進行了比較，對其不對稱性進行了定性分析。After that, algorithms about the analysis of interferogram were realized in matlab. the related program analyzes the interferogram, and gives the three dimension profile of sample surface
建立了干涉圖像的採集、位相計算、消跳變處理和波面擬合的相關演算法，並用軟體實現了這些演算法。The function is perfection including filter, forward synthesis, migration etc. it is convenient to use with friendly interface
該軟體可以用於繪制波形圖，可以實現濾波、正演、偏移等功能，且界面友好、使用方便。To study the accuracy of ultrasonography ( us ) on demonstrating the changes of liver surface, 67 patients ( 32 cirrhotics and 35 non - cirrhotics ) who received laparotomy or laparoscopy were observed
摘要?了了解超音波掃描術偵測肝表面變化之準確性，我們收集67位在本院接受過剖腹手術或腹腔鏡檢查之病患，研究其術前超音波所示肝左葉表面圖像與肉眼所見變化加以比較。Ultrasonic bio - instrumentation has several display modes used in medicinal field now, such as b - mode and m - mode, etc. b - mode uses the modulated brightness to represent the amplitudes of ultrasonic echoes, and the coordinates in the formed profiles correspond to positions of ultrasonic beam scans one by one
B型顯示是用亮度調制來顯示回波脈沖幅度，顯示的橫軸和縱軸與聲束掃描的位置一一對應，形成超聲切面圖像。The circuits of the are designed. this system can provide good quality data for the follow work. 2. the method of marginal checking using wavelet neural network is used to process the seismic data for increasing distinguishability to recognition the thin interbedded oil reservoir. small structure of oil reservoir and thin interbedded are find
提出將小波神經網路邊緣檢測演算法應用到地震剖面圖像的特殊處理上，提高對油藏的解析度，從而尋找地下小的含油構造和薄的儲油層，使計算機能更準確地再現地下油藏的構造形態，提高勘探的精確度。The spot responder system which is the necessary part of ctcs is analyzed in the dissertation and three key technologies of the channel in the responder system are researched. firstly, a new kind of rectangular plate magnetic inductive loop antenna is designed to transmit the power frequency. researching the near field inter - inductive characters, the relationship among the inductive efficiency, the perimeter and the conductor width of the antenna is found out
本文在對ctcs中的點式應答器系統原理及組成進行分析和消化的基礎上，對系統中通道的幾個關鍵技術進行了詳盡的研究，主要分為三個方面: 1 ，提出並研製了新型的片式環形磁感應天線，並對傳輸能量載波的天線的近場互感特性進行了分析，得到互感效率隨天線的周長大小以及導帶寬度的變化規律，並通過計算機模擬和試驗對天線的近場波瓣圖進行了研究;通過分析寬帶匹配技術中的實頻法理論，設計了信號載波天線的寬帶匹配網路。The authors briefly introduced the operating principle of gpr and its method and technique for investigating the subterranean cavitation, with some subterranean cavitation inspection of groundwork exploration in guangzhou as an example, analyzed the radar wave group characteristics of subterranean cavitation, and summarized the anomaly characteristics of the time - depth sections of the gpr
摘要簡要介紹了探地雷達工作原理及其探測地下空洞的方法技術，以廣州某地基勘察中地下空洞的檢測為例，分析了地下空洞的雷達波組特徵，總結了探地雷達時深剖面圖的異常特徵。Numerical simulations were done to show the distortion of the wavefront and the interference pattern under several kinds of typical plasma density distributions. the ray path in plasma was calculated by the numerical solution of the vector equation of light ray, when the plasma density was closing to the critical electron density of the laser frequency. through the simulations, the factors that influence the measurement were found out under different density distributions and shapes of plasma
在此基礎上，採用數值模擬的方法，計算了在幾種典型的等離子體密度分佈下，激光波面的變化和產生的干涉圖樣；並用光線矢量微分方程的數值解法計算了當等離子體密度接近光頻臨界電子密度時，光線在等離子體中的傳播路徑，從中掌握了在不同的等離子體密度和形狀下，進行干涉測量所應估計到的因素。As president of the poitou - charentes region, ms royal helps only companies that hire employees on permanent contracts
作為波瓦圖?夏朗德大區議會主席，她僅在雇傭雙方簽訂終身勞務合同方面有所作為。The inset is a vertical cross section of the hailstorm along points a and b. the very intense echoes purple are largely due to reflections from hailstones
小圖為該雹暴由a點至b點的垂直剖面。圖中的強烈回波紫色大部份是由雹粒的反射而造成。The inset is a vertical cross section of the hailstorm along points a and b. the very intense echoes ( purple ) are largely due to reflections from hailstones
小圖為該雹暴由a點至b點的垂直剖面。圖中的強烈回波（紫色）大部份是由雹粒的反射而造成。In 2004 when porto contested both the portuguese cup final on the saturday and the champions league final the following wednesday, jos mourinho selected only three players in the starting line - up for both games
2004年，波爾圖面對周六的葡萄牙杯決賽和接下來周三的冠軍杯決賽，何塞派出的兩場比賽首發陣容，相同的只有3人。When the acoustic impedance contrast between the thin dipping interface and its adjacent formations exits, their interfaces can be observed from the snapshots, but the acoustic field is rather complex
4 、當傾斜薄夾層的聲阻抗與其鄰層的聲阻抗相差較大時，盡管從波場圖中可以大致看出兩個地層界面的存在，但此時聲場分佈非常復雜。Firstly the phase is extracted from interferogram by filtering and displacing frequency spectrum. then the wavefront and the line integral density are recovered by using fft or polynomial fitting method. lastly the radial local density distribution is calculated from the fitting curve of line integral density by the abel inversion
首先對干涉圖進行頻譜濾波，用頻譜移頻法從干涉圖中提取相位，然後用快速傅立葉變換或多項式擬合實現波面重建，計算線積分密度，再利用abel積分變換從線積分密度的擬合曲線中反演徑向體密度分佈。Among the cirrhotic group, 29 were macronodular type ( evidently nodular surface was noted in 22 of them ) and 3 were micronodular
超音波掃描顯示結節狀肝表面圖像於20位粗結節型患者； 3位細結節型皆僅呈現不規則之表面。分享友人