波狀移動 的英文怎麼說

中文拼音 [bōzhuàngyídòng]
波狀移動 英文
sinuous movement
  • 波 : 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...
  • 狀 : Ⅰ名詞1 （形狀） form; shape 2 （情況） state; condition; situation; circumstances 3 （陳述事件或...
  • 移 : Ⅰ動詞1. （移動） move; remove; shift 2. （改變; 變動） change; alter Ⅱ名詞（姓氏） a surname
  • 移動 : 1 （改換原來的位置） shift; move 2 [力學] translation motion; removal; shifting; dislocation; dis...
  1. To keep the environment people live in, we should restrict or prevent many kinds of pollution, which includes electromagnetic radiation pollution. while we are considering setting up base station or evaluating the electromagnetism pollution of environment, we can measure on the spot. to save time, hard work and cost taken by measuring on spot, it is necessary to calculate and analyze the electromagnetic wave propagation in urban area

    在對現有電磁輻射源（如移動通信基站、廣播電視發射天線等）環境電磁污染狀況進行評估時可以進行實地測試，但是對在建或擬建的輻射源則不可能進行先測試，同時為了避免實地測試的費時、費力和較大的測試費用，通過計算機來計算分析城市環境電波傳播顯得很有必要。
  2. ( 5 ) antiplane surface motion of underground circular hard inclusion and underground homogeneous hard interlayer is investigated. the results indicate : the surface displacement amplitudes just above the underground circular hard inclusion is reduced, while surface motion on both two sides are significantly amplified when the vertical waves are excited. the surface motion on the side o

    結果表明：波垂直入射時硬夾塞上方地表位移幅值處于減小狀態，但在兩側出現放大，波斜入射時硬夾塞的迎波一側地表易出現一定的放大：硬夾層上的地表位移幅值在多數情況下呈現一種放大作用，對深厚比較大的硬夾層放大作用易出現在低頻：地下硬夾塞上的地表運動沒有明顯的扭轉效應。
  3. The company produced td75 common belt conveyor, tdm new type of mobile seal belt conveyor, tdb - large corrugated sidewall angle belt conveyor

    本公司生產td75型通用帶式輸送機、 tdm型新型移動密封帶式輸送機、 tdb型波狀擋邊大傾角帶式輸送機。
  4. The main achievements are as follows : the theory models of defect mfl field are set up ; based on the magnetic dipole model and finite element model, the distribution of defect mfl field is simulated in the dissertation ; the component of flux density ( magnetic filed ) parallel to the surface of pipe is detected by a circumferential array of hall probes ; the factors including defect geometry parameters, defect surface angle and shape, pipe material, field intensity, vehicle velocity, background magnetization, operating pressure and remanent magnetization and so on influence the mfl signal characteristics

    採用霍爾元件作為缺陷漏磁檢測傳感器，獲得管道軸截面漏磁場切向分量的漏磁信號；研究了缺陷外形尺寸、缺陷傾角和形狀、管道材質和磁化強度、檢測儀移動速度、管道背底磁場、管內壓力和剩磁對漏磁信號的影響。提出了各通道增益放大、各路漏磁信號偏離調整、波形微分、數字濾波和平滑等漏磁信號預處理方法；分析了等空間采樣的漏磁信號轉換為等時間采樣信號的必要性，研究了漏磁信號的小波去噪方法。
  5. Regimes switching in china ' s business cycle and analysis of the properties of regimes

    中國經濟周期波動的區制轉移模型及區制狀態
  6. And such zones act as an important dynamic condition for low - level water transfer and also a favorable environmental condition for " seeding - water supply ". there stronger echoes are detected, meaning that bubble convection develops in the precipitating fields of the clouds that are homogeneous in the main, causing centers of > 10 mm / hr surface rainfall to occur and migrate

    這些不穩定區是低層水汽輸送摘要重要的動力條件，也是「播撒一供應」機制發生的有利的濕熱力環境條件，雲系較強降水回波在這里得到發展，使整體均勻的冷鋒層狀雲系降水場有較強回波帶和對流泡發展，帶來地面有> 10mmlh較強降雨中心產生和移動。
  7. After the discussion of the numerical simulation method based on the fdtd method and the pml technique, the motions of the charges and the electrical field lines were first employed to describe the radiation procedures of the pulse electromagnetic waves. then the causes of how the charges are accelerated and how the motion status of the charges are maintained were further studied from the angle of interaction of charge and field. after these analyses, it was pointed out that the pulse radiation is due to the suddenly occurred time - varying electrical field ( displacement current ) in the open space. this view was further evidenced by two examples : one is the partly resistance loaded antenna, the other is the partly curved antenna. the radiation procedures of the pulse electromagnetic waves of many different situations were simulated throughout this paper with the contours and waveforms of electric field given. these figures are very helpful to the understanding of the radiation mechanism of the pulse electromagnetic waves

    在討論了基於時域有限差分法和完全匹配層技術的數值模擬方法之後，首先從運動電荷和電力線的角度直觀地描述了脈沖電磁波的輻射過程，然後進一步從場與電荷相互作用的角度分析了天線上電荷是如何被加速以及如何維持其運動狀態的，指出了開放空間中突然出現的時變電場（位移電流）是脈沖電磁波輻射的根本原因.文中還對局部電阻加載的天線和局部彎曲的天線進行了研究，以進一步說明上述觀點.對多種情況下的脈沖輻射過程進行了數值模擬，並給出了電場的等高線和空間波形圖，這些圖形對理解脈沖電磁波的輻射機理非常有益
  8. Because die common fault detection method for sensors, residual x2 test, is insensitive to gradual - change - fault detection, a kind of residual x 2 test based on moving subnormal state is presented, and its validity is testified by mathematical simulation results, as shown in figures 5. 2 through 5. 5. with regard to the lag of soft fault detection, a kind of system reconstruction tactic based on hierarchic alliance structure of federal filters is proposed. mathematical simulation results, as shown in figure 6. 10, show the validity of isolating fault by using the tactic

    西北工業大學沁士學位論文們要一個研究指出常用的傳感器故障檢測方法?一殘差x 『檢驗法對漸變性故障檢測的不敏感性，提出一種基於移動偽正常狀態的殘差檢驗法，並通過數學模擬驗證該方法對漸變性故障檢測的有效性；提出一種基於遞階聯合濾波器結構的系統重構策略，並通過數學模擬驗證該策略對故障隔離的有效性。
  9. Firstly, according to the characteristic that the doppler frequency shift signal can be approximated as a single sinusoid signal, the extended sinusoid signal retrieval ( pisarenko and esprit ) methods are presented and signal state and measurement formulations are developed, so the kalman filter recursive method is got. the brief introduction of low velocity moving target doppler frequency shift signal wigner - ville transformation and wavelet transformation expression are presented in this paper. secondly, because the clutter is gaussian distribution, cumement and high - order spectrum based methods are presented and the simulation results prove their good performance to suppress gaussian clutter in low velocity moving target doppler frequency shift signal processing

    一個方面是根據低速目標的多普勒信號可簡化為單一正弦波形式這一特點，得到了擴展的高斯色噪聲背景下的諧波恢復演算法，即高斯色噪聲中的pisarenko諧波恢復法和旋轉因子不變法（ esprit ） ；並推導了信號的狀態方程和觀測方程，進而得到基於卡爾曼濾波的遞推演算法對信號進行提取；本文還簡單的介紹了低速運動目標的多普勒頻移信號的wigner - ville變換與小波變換；另一個方面是針對雜波服從高斯分佈這一特點，提出了對接收信號求累積量和高階譜來對高斯雜波進行抑制。
  10. Dynamic displacement field caused by seismic rupture in a stratified medium using discrete - wavenumber method

    用離散波數法計算層狀介質中地震破裂產生的動態位移場
  11. In mechanical pressure switches, the form or change in position of a switching membrane, bourdon spring or pressure piston is transferred to one or more microswitches that are integrated into the housing and take over the actual switching operation ; the switching hysteresis is fixed or adjustable

    在機械壓力開關中，開關隔膜，波登彈簧或者壓力活塞的形狀或位置改變，轉移到一個或多個集成在箱中的微動開關。這些微動開關事實上接管了開關操作。開關磁滯特性固定或者可調。
  12. Blinking of the sers spectra and the poisson statistical distribution of the raman signal were observed. moreover spectral diffusion of raman shift with time was reported by the first time according to our knowledge, which could be due to the difference of interaction between varied single molecules and varied silver particles surface, for instance, due to the different adsorption states of dab molecules on the silver surface, which should be a powerful evidence for single molecule detection by sers

    我們採用一種簡單的方法，將含有dab分子的銀膠體溶液滴在鋁箔上，激發光聚焦在液滴上直接進行測量，觀察到了分子sers信號的「 blinking 」現象，並首次報道了其sers拉曼頻移隨時間產生波動，這是由於個體分子和銀納米顆粒的相互作用及其在銀納米顆粒表面的l吸附狀態不同而導致的。
  13. 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，本文採用駐波管法，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，吸聲系數峰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。
  14. Because of the complication of ground condition, the ground is regarded as continuous layers and each layer of soil is defined as a uniform and elastic object. by solving the wave equation ( navier equation ) of three - dimensional elastic object, the results of ground under moving loads in wave number ? frequency field are obtained, then through the rapid fourier reverse transform, the results in space - time field are obtained

    由於地質條件的復雜性，將地基看成是層狀的，並且每層都是均勻彈性的，通過解三維彈性體的波動方程（ navier方程）得到地基在移動荷載作用下的波數-頻域的解，再通過快速fourier逆變換（ fft ）求得空間-時間域的解。
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