wave sample 中文意思是什麼

wave sample 解釋
波取樣器
  • wave : n 〈美海軍〉女志願軍人〈見 WAVES 條〉。n 1 波浪;碎浪; 〈the wave(s)〉 〈詩〉海。2 波動;波狀...
  • sample : n 1 樣品,貨樣。2 標本;榜樣,實例。3 【統計】典型取樣,抽檢查。4 【電訊】信號瞬時值。5 【冶金】 ...
  1. For this purpos, from the point of the log geology, aimed at the actuality of the current fractured reservoir log geology interpretation and evaluation, based on synthetical analysis of the current domestic and foreign fruit of fractal dimension investigation of reservoir fracture, using the method and technique of fractal dimension, through the further discussion of the fractal dimension characteristics of m index and n index in the log interpretation archie model in a sample way and through the theoretic reasoning to the fractal dimension dfa and m index of fractured reservoir interval ' s log curve, according to the geophysical signification of the fractal dimension dfa of fractured reservoir interval ' s log curve shape : the more complicated the change of the curve shape is, the larger the its dfa value is, then the more complicated space structure of fracture and pore, then the higher value of m index of space structure of fracture and pore, and so on, the text propounds an improved method, based on box dimension, of covering log curve with scale grid, and by programming computes the dfa and its m index value of fractured reservoir interval ' s log curve, for instance, ac and rt curve, ect, then further puts this technique into application investigation, and makes analysis of application effects in the reservoirs located in l area of qx oil field from three aspects : 1. the dfa and its m index value of fractured reservoir interval ' s log curve, for instance, ac and rt curve, ect, which are derived from computing, is used to identify reservoir type by crossplotting m index with the product df _ acrt of fractal dimension of acoustical wave log curve and restivity log curve and by experiential discriminance plate of reservoir type in l area of qx oil field

    因此,對該區裂縫性儲集層的類型識別、孔滲特徵的測井地質解釋以及儲層裂縫的發育和分佈規律進行深入的研究便成為本文研究的出發點。為此,本文從測井地質的角度,針對當前裂縫性儲層測井地質解釋與評價的現狀,在綜合分析當前國內外儲層裂縫的分形分維研究成果的基礎上,利用分形分維方法和技術,通過對archie測井解釋模型中的m指數、 n指數的分形分維特性的深入淺出的論述以及裂縫性儲層段測井曲線分維d _ ( fa )與m指數的理論推導,根據裂縫性儲層測井曲線形態分維值的地球物理意義? ?曲線變化越復雜,則其分維值d _ ( fa )越大、裂縫孔隙空間結構越復雜、裂縫孔隙空間結構指數m值越高等特徵,提出了改進的基於盒維數的測井曲線網格覆蓋法,編程計算了裂縫性儲層段常規測井曲線(如聲波和電阻率曲線)上分形分維值及其m指數值,進而從以下三個方面對qx油田l區塊的裂縫油藏進行應用研究,效果十分理想: 1將計算得到的可變的m指數與聲波和電阻率分維之積df _ acrt進行交繪,採用儲層分維值分類技術統計分析這些參數變化的規律,並結合qx油田l區塊儲層類型經驗判別圖版,從而實現qx油田l區塊下白堊統的裂縫性儲層的類型識別。
  2. Design of hardware consists of three pll loops, micro wave sample mixer, fractional - n frequency divider

    硬體電路包括三個鎖相環,取樣混頻器,分數分頻器的設計等。
  3. Due to the release by the rarefaction wave from the rear of copper impactor, and with the measurement of the velocity at the interface of sample and window, the release path was detected

    利用來自飛片后界面稀疏波對被測樣品卸載,測量了樣品窗口界面的粒子速度剖面,得到了無氧銅的卸載路徑。
  4. The following results were found, i. e., the water ratio affects obviously the acoustic wave velocity of rock sample ; the wave velocity is higher in saturated rock samples than in unsaturated ones ; and it decreases gradually with the strain of samples during uniaxial compression ; and also with the lengthening holding time at 160 ; when heating the samples the acoustic wave velocity increases slightly in initial stage and comes to the peak value at 60, then decreases gradually with increasing temperature ; meantime, there is a certain temperature effect on rock samples size

    實驗發現含水率對波速影響比較大,飽和巖樣的聲波傳播速度高於不飽和巖樣的聲波傳播速度;人工預制裂紋對聲波傳播速度影響不大;單軸壓縮條件下,聲波傳播速度隨應變增加逐漸降低;在同一溫度( 160 )下,波速隨保溫時間的增加而逐漸降低;在對巖樣逐漸加熱情況下,初始加熱階段波速略有升高,當溫度達到60時,巖樣波速達到峰值,之後隨著溫度繼續升高其波速逐漸下降;波速隨溫度變化具有一定的尺寸效應。
  5. Get the damping coefficient of each sample, and use it to reflect the resistance which wave energy suffers inside of breakwater 7

    6 、得出各個樣本的阻尼系數,並用其反映波能在堤心內傳播所受的阻力。
  6. High energy explosive was used to create a powerful and planar shock wave for accelerating flyer plate to high velocity, and high pressure was produced when flyer impacting with the sample. in the experiments, the impactor was brass and target was ofhc copper. by measuring the shock wave velocities of hr2 steel, high - density glass, aluminium alloy ( ly12 / lf6 ), magnesium - aluminium alloy ( mb2 ), polymethyl methacrylate and air, shock pressure and release isentrope of ofhc copper have been obtained

    採用化爆加載、平面波發生器和空腔增壓技術,以黃銅為飛片,無氧銅為靶板,測量了抗氫鋼( hr2 ) 、重玻璃( sio _ 2 ) 、鋁合金( ly12 lf6 ) 、鎂鋁合金( mb2 ) 、有機玻璃( pmma ) 、空氣( air )和無氧銅( ofhccopper )各阻抗匹配樣品中的沖擊波速度,上述材料的hugoniot狀態參數c _ 0 、均為已知,由此確定了無氧銅的沖擊加載壓力和等熵卸載后的狀態,得到了等熵卸載路徑。
  7. Taking the composite insulator as a measurement sample, knowing the waveform conversion condition on the boundary, only a conventional longitudinal testing probe is needed to measurement transverse wave produced by grazing incidence longitudinal wave

    以復合絕緣子為測量樣品,為提高測量橫波的精度,根據超聲波在邊界上的波型轉換條件,使用常規縱波探頭對由掠入射縱波產生的橫波進行測量。
  8. The results testing the, aluminum groove sample through ir thermal wave nondestructive testing, argue that it is effective for this method to quantify the depth under the surface

    摘要紅外熱波無損檢測技術是一種快速、有效的檢測手段,可以定量檢測鋁槽試件下表面缺陷的深度。
  9. It was proposed that oversampling is necessary by analyzing the influence of different sample frequency on the decomposition of sine wave

    對單頻正弦信號的分析結果表明,應用局域波分解對信號進行分析時,要對信號進行過采樣。
  10. The attenuation indexes of vertical direction components and level radial components of blast earthquake wave in the condition of far range are all larger than the one in the condition of close range. based on upwards analysises, relevant control ways and safety defending technology of blast vibration are given from the aspects of blast equipments, blast parameters, landform physiognomy, blast methods. and taking the practical data from blast scene as the sample, the blast shockproofness are forecasted by the feedforward nerve network model based on the prior knowledge of blast shockproofness, the regress analysis method and experience formula method, which supply the technology gist for

    並且,以爆破現場的實測數據為樣本,採用基於爆破震動強度先驗知識的前饋網路神經模型、回歸分析法及經驗公式法分別對爆破震動強度進行了預測研究,為爆破施工參數的確定提供了技術依據,確保整個爆破工程順利安全進行,並對這三種方法的預測結果進行了對比分析;對比分析表明,三種預測方法計算出來的結果精度相差甚大,從檢驗樣本值與預測結果值之間的相對誤差可以看出,人工神經網路法預測的結果較其他方法更接近於實際值,回歸分析預測法的精度又要高於經驗公式預測法。
  11. Using the formula of taylor, the dissertation disperses the mathematics model as the classical form of wave - arithmetic and displays the spread process of heat. according to the principle of object - oriented theory combined with the sample method, the software is divided into three parts : pre - analysis groupware, analysis groupware and after - groupware

    在研究系統模擬技術的基礎上,以面向對象程序設計方法與原形法相結合的方法,將模擬系統劃分為前處理組件、求解器組件和后處理組件,以sun公司的java技術和java3d軟體包設計系統的應用程序。
  12. The process that light wave gets through arrayed waveguides can be regarded as a process of extracting spatial sample and filtering spatial frequency. spacial sample is accomplished by period interval arrangement of awg and spatial frequency filtering is accomplished by the fundamental mode and phase delay of each arrayed waveguide which is just a spatial frequency filter

    而光場通過陣列波導的過程,可八碩士學住論文waiaster 』 stiesis以看作是空間抽樣以及空間濾波的過程:空間抽樣由陣列波導的周期間隔排列完成,空間濾波由每個陣列波導的基模形式以及位相延遲完成(陣列波導即為一空間濾波器) 。
  13. In the course of design, we fully consider the actual conditions on the railway and take a series of corresponding measures to the concrete problem. such as we select high - accuracy microconvertor and have the converted function in succession data collecting system chip aduc812, design v / f circuit and external a / d circuit. in anti - interference of the hardware, we try to disperse each function module to avoid interfering each other, adopt photoelectric isolated technology to dispel the circuit connection of input and output. in controlling we import arithmetic mean into strain wave algorithm and real computing technology of virtual value for sample treatment of data, that is using the software to smooth away interfere error and to calculate actual value, thus it makes the precision of the data improve greatly

    在設計過程中,根據系統要求,充分考慮鐵路上的實際情況,針對具體問題採取了一系列的相應措施,如在器件選擇方面選用高精度microconvertor系列、具有adcdma連續轉換功能的數據採集微控制器晶元aduc812 ,設計了v f變換電路和外部a d轉換電路;在硬體抗干擾方面,將每個功能模塊盡量分散獨立開來以避免相互干擾、採用光電隔離技術消除輸入輸出通道上的電路聯系;在控制方面對于采樣數據的處理引入了算術平均值濾波演算法和真有效值的計算方法,即通過使用軟體來濾除系統中有干擾造成的誤差並計算真值,從而使數據的準確性得到極大地提高。
  14. Choose the proper sample and compare by two means. first is to compare actual value to the calculated, and second is analysis of the effect on harmonic wave. take fast fourier transform algorithm to the samples fore - and - aft integral, and compare the amplitude and angle

    首先是直接比較實際值與還原值,其次是分析各種演算法對諧波的影響:分別對積分前後的采樣值進行快速傅立葉變換,比較各次諧波幅值和相位的變化。
  15. Since that the choosing line hardware for the neutral ungrounded system has just passed part of the dynamic simulative test, matlab software was chosen to do a lot of simulative tests on single phase - to - grounding fault. and the simulative sampling ratio is almost the same as the hardware ' s. because there is a low wave filter in the hardware, i choose the db15 wave - let to carry out the multidimensional decomposition on the sample by the method of one dimension discrete wavelet in order to obtain low frequency signal including the high frequency transient information on single phase - to - grounding fault

    鑒于實驗室已有的小電流接地系統選線硬體的研製只通過了實驗室里的動模試驗,故選用matlab軟體對小電流接地系統進行大量的單相接地故障模擬試驗,模擬的采樣率和硬體基本一致,由於硬體中帶有低通濾波器,故在進行采樣數據的morlet小波分析時先採用db15小波對采樣進行一維離散小波的多尺度分解,使得分解得到的低頻信號剛好包括了小電流接地系統單相接地故障時的暫態高頻信息,然後對這一信息再繼續進行小波演算法分析,分析結論表明利用變換后的實部、虛部和模值能夠較準確的實現單相接地故障時的故障選線和暫態高頻分量的提取。
  16. With nd : yag laser, the surface acoustic wave pulses were generated on the sample of aluminium and silicon. well - defined waveforms have been acquired. the results show this technique have advantages such as high frequency responding, high signal - to - noise ratio

    對nd : yag固體激光器在鋁和硅材表面激發的聲表面波脈沖進行了系統的實驗測試,結果得到了良好的波形,此法相對于其他光學方法具有頻響高,靈敏度高,線性較好的諸多優點。
  17. The thesis content came from vata ltd. request, which is a vehicle classification system based on inductive loop detectors, made up with data collection sample wave character extracting and automobile type pattern matching. this paper introduces principle of data collection and hardware frame, and examples some common automobile type of data ware at the same time

    本文根據優創集團泛安科技開發(石家莊)有限公司關于保定至天津高速公路機電設備更新項目的要求,設計了一種基於感應線圈的車型識別系統,該系統主要由數據采樣、采樣波形特徵提取及車型模式匹配三大部分組成。
  18. Based on the study of local wave method, the effect of sample frequency was discussed

    摘要在分析了局域波方法特徵的基礎上,深入探討了采樣頻率對局域波分解的影響。
  19. Chapter 1 introduce the development situation of the marine multi - component seismic exploration technology in our country and abroad. chapter 2 sum up the structure of the system. chapter 3 to 6 includes the design and function of the homemade sample equipment and the advantage of its key technique. just as omnidirectional geophone struture, ocean bottom cable, data acquisition unit and recording system etc. chapter 7 carefully instructs test situation of converted wave acquisition on the sea and appreciates the data quality

    第一章主要介紹了目前海上多波勘探技術的國內發展概況及市場需求,第二章對整個系統的構成及各部分的功能進行了簡要的總結,第三章至第六章詳細討論了各功能模塊的原理、技術指標及創新點,包括各項關鍵技術的突破,如三分量萬向平衡裝置的理論計算及設計,數字包電路設計原理,鎧裝結構電纜的設計及系統主機的特點等。
  20. In this work, oscilloscopes with high precision are used to record the time interval when shock wave passed through the porous sample. we have measured the hugoniot data of porous iron whose initial densities varies from 6. 151 to 6. 725 mg / m3

    本文採用高精度的示波器作為時間間隔記錄儀器,測量了初始密度為6 . 151 - 6 . 725g / cm ~ 3多孔鐵的沖擊壓縮數據。
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