波別達 的英文怎麼說

中文拼音 [bōbiédá]
波別達 英文
pobeda
  • 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...
  • 別 : 別動詞[方言] （改變） change （sb. 's opinion）
  • 達 : Ⅰ動詞1 （暢通） extend 2 （達到） reach; attain; amount to 3 （通曉; 明白） understand thoroughly...
  1. 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波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波性能進行了比較，並對二者的差異進行了分析。
  2. Third, this dissertation analyzes the complicacy of result size estimation problem for xml structure based query optimization compared to its counterpart in traditionally relational database, and proposes a full - featured result size estimation algorithm for xml query, sxm. for simple path expression query, this dissertation proposes a dynamic synopsis model for xml data based on the concept of f - stable and b - stable, xmap. for complicated path expression query, this dissertation adopts an improved bifocal sampling method for result size estimation

    第三，分析了xml結構化查詢優化中的查詢代價估計問題與傳統關系型數據庫中的查詢代價估計問題的區別，提出了一套完整的xml結構化查詢代價估計體系sxm ，包括對簡單路徑表達進行查詢代價估計的動態xml數據統計模型xmap ，對復雜路徑表達進行查詢代價估計的雙焦點例舉法，以及對值匹配條件進行查詢代價估計的基於小波的多維直方圖方法，並能將多種查詢表達的查詢代價估計結果結合在一起，以給出一個完整的xpath查詢的代價估計。
  3. Bing high power resources of millimeter - wave radiation, based on electron cyclotron maser, gyrotron has been pay much respect in the world for vast applications in many areas such as plasama calefaction, linear accelerators, millimeter wave radar, communications, electronic countermeasure and so forth. prof. liu shenggang began the research on electron cyclotron maser, and later, the group leaded by prof. li hongfu has done much research work on gyrotron also, and later, they have began the research on a kind of gyrotron amplifier - - - - - - gyroklystron

    迴旋脈塞器件? ?迴旋管作為大功率毫米波源，在等離子體加熱、線性加速器、雷達、通信及電子對抗等領域有著廣泛的應用前景，因此受到了國際上的廣泛重視，特別是近三十年來，迴旋管得到了快速的發展，並成為了研究的熱門方向。
  4. In this article, considering the character of the one - dimensioned continuum and the cross - section, the varied quotiety of the strain can be presented as the mode function to identify the damage. and inversion of the elastic wave is presented to detect the injures when the area is the variable of the inversion, for the pip usually buried under the earth or enwrapped into the protection make the detection difficulty by the mode of vibrancy. the influence of the area must be considered if the exactness is the pre - requisition

    在論文中，考慮到壓力管道的一維性質，提出用應變模態改變變化率的方法對一維的結構進行損傷識別；同時考慮到在實際的工程和現場測試中，壓力管道大多深埋在地下或者有外在的保護膜，不宜進行模態的檢測，所以也考慮利用彈性波的方法對壓力管道的性質參數和截面性質進行反演識別，從而得到我們感興趣的東西，達到損傷識別；一般，在利用彈性波反射方法進行損傷檢測中，不考慮截面效應對彈性波的衰減影響，這就對損傷檢測造成一定的影響，本文考慮截面效應的影響，通過實驗來確定截面效應系數。
  5. 29 july 2005 ) nine meteorologists from bolivia, bosnia and herzegovina, kenya, mongolia, nepal, niue island, republic of korea, tanzania, and trinidad and tobago have just completed a training course running on aviation meteorological services organised by the hong kong observatory ( hko ). the course began on july 25 and ended today ( july 29 )

    九位分別來自玻利維亞、波斯尼亞和黑塞哥維那、肯尼亞、蒙古、尼泊爾、紐埃島、南韓、坦尚尼亞及千里達托貝哥的氣象人員在七月二十五至二十九日期間完成了由香港天文臺舉辦的航空氣象服務培訓課程。
  6. We ' re ready to balance our diet of predigested news with raw feeds from baghdad and boston and beijing

    我們寧願把來自巴格達、波士頓和北京的現場視頻直播，同剪輯過的電視新聞加以比較、鑒別。
  7. In succession, it analyses, macrocosmicly and microcosmicly, the impact of the real estate cycle making by the wto and brings forward some strategieso chapter five studys the serious results of our nation " s real estate foam, it studys the causing reasons of the foam and the procreant mechanism of it and distinguishs the foam from the ordinary cyc - le fluctuation, and puts forward a set of index to feretell the foam in advance

    第五章研究了我國房地產周期波動過程中的房地產泡沫現象及其產重後果，分析了房地產泡沫產生的原因和產生的機理及其與周期正常波動的本質區別。為防範房地產泡沫，提出一套泡沫預警指標體系，建議採用功效系數法建立房地產泡沫預警系統，從而達到監側房地產泡沫的目的。
  8. Fucoidan was extracted from the brown seaweed by ultrasonic wave assisted extraction. the weight percent of " sulfate and polysaccharide " reached 22. 49 % and 36. 97 %, respectively

    摘要研究了超聲波輔助提取褐藻糖膠的新工藝，以「硫酸根多糖」質量分數作為產品的主要理化指標，得到優化的提取工藝。硫酸根和多糖質量分數分別達到22 . 49 %和36 . 97 % 。
  9. In the second method, wavelet transform is combined with modal transform, and transient travelling - wave signal is used. after three phase signals are decomposed into their modal components, the wavelet transform coefficient of ground mode can be used to identify approximate position of fault, and the wavelet transform coefficient of aerial mode is used for identifying arrival time of traveling - wave

    第二種方法將小波變換與模式變換理論結合起來，採用的是暫態行波信號，首先將三相信號轉換成模式分量，零模分量的小波變換系數用於判別故障的大致位置，然後利用線模分量的小波變換系數來確定行波到達時間。
  10. Abstract : a kind of target identification method is discussed by use of harmonic radar detecting technique

    文摘:研究了新興的諧波雷達目標識別方法。
  11. Compared with the general radar, the harmonic radar can provide more imformation when it is used to detect the nonlinear scattering target, and therefore improvers the radar resolution

    與一般雷達探測技術相比，諧波雷達在探測非線性散射體時能提供更多的信息，提高了識別概率。
  12. We try to do the target recognition based on non - symmetric polarity effect using wavelet packet and an operator obtained when doing higher order cumulant analysis

    另外，本文在非正弦波雷達「非對稱極性效應」理論基礎上研究了目標材質識別方法的實現。
  13. With the application of hfswr in national defense, people focus the investigation of the methods of target identification in high frequency section

    隨著高頻地波雷達在國防工業上的應用越來越受到重視，對于高頻段雷達目標識別方法的研究也成為人們研究的重點。
  14. This dissertation develops two millimeter waves microstrip antenna arrays which can be applied to the millimeter wave radar, the communication and the identification for friend - or - foe

    本文所研製的兩個毫米波微帶天線陣可應用於毫米波雷達，通信與敵我識別系統等方面。
  15. Secondly, we bring statistic coding, prediction coding, transform coding and analysis & synthesis coding into radar area. according to the properties of radar data, we take 4 methods, which are huffman coding ; prediction error model and lzw coding ; fft, uniform quantization in each frequency bank and huffman coding ; wavelet transform, uniform quantization in each frequency bank and lzw coding, to compress the genuine ground clutter radar data and give the corresponding results

    根據雷達回波的特性，分別採用了huffman編碼法，預測誤差模型和lzw編碼法， fft 、分頻帶均勻量化和huffman編碼的壓縮演算法，小波變換、子帶均勻量化和lzw編碼的壓縮演算法等四種演算法，並給出了用這些演算法對真實的地雜波雷達回波數據進行壓縮的實驗結果。
  16. Abstract : in this paper, we study the application of wavelet transforming for target of step frequency mmw radar

    文摘:研究子波變換在頻率步進毫米波雷達目標識別中的應用。
  17. 12 zhang d, shu w. two novel characteristics in palmprintverification : datum point invariance and line feature matching. pattern recognition, 1999, 32 : 691 - 702

    在掌紋驗證和辨識中，基於小波能量特徵的方法分別達到了99 . 24 %和99 . 45 %的精度，這些結果優于其他的掌紋識別方法。
  18. The numerical simulation shows that the harmotic radar prosses good target identification preformance and strong antijamming ability

    模擬結果也表明諧波雷達具有良好的目標識別性能和極強的抗干擾能力。
  19. Identification on target profiles of mmw radar based on wavelet neural network

    基於小波神經網路的毫米波雷達目標距離像識別
  20. Methods analyze on different characteristics among transverse wave, vertical wave and surface wave and apply, a slope method to judge the first - arriving - time

    方法運用多波分析技術，通過分析超聲厚度檢測中橫波、直達縱波、反射縱波的不同傳輸特性，提出了斜率法判別反射波的起跳時間。
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