點譜 的英文怎麼說

中文拼音 [diǎnpǔ]
點譜 英文
[數學] point spectrum
  • 點 : Ⅰ名詞1 （液體的小滴） drop （of liquid） 2 （細小的痕跡） spot; dot; speck 3 （漢字的筆畫「、」）...
  • 譜 : Ⅰ名詞[書面語]1 （按類別或系統編成的書或冊子等） table; chart; register 2 （指導練習的格式或圖形）...
  1. Triazophos was a type of low - toxic, high - effective and broad - spectrum phosphorothioate pesticide and acaricide, which was developed in 1970s. it was thought to become the substitution of other pesticide such as methamidophos and dimethoate, so it had a good potential of application

    三唑磷是20世紀70年代開發出的一種硫代磷酸酯類殺蟲殺蟎劑，具有低毒、高效、廣譜的特點，是甲胺磷、樂果等農藥的換代產品，具有良好的應用前景。
  2. And then facing the problem of the channel estimation of the adaptive modulation system, we conclude out the channel estimation algorithms on maximum likelihood ( ml ) estimation and maximum a posteriori ( map ) estimation under the condition of flat fading channel and selective fading channel in detail. to meet flat fading channel, we simulate the relationship of the ratio between the error covariance in map estimation and ml estimation and pilot symbol message length. the conclusion can be drawn from these results

    接著，對自適應調制系統中的通道估計問題難點，詳細推導了平衰落通道條件下和選擇性衰落通道條件下最大似然（ ml ）估計和最大后驗概率（ map ）估計演算法，針對平衰落通道，我們模擬了map估計和ml估計的方差與導頻符號長度的關系，模擬結果表明，錯誤方差受多譜勒頻率的變化影響最大，並且對實際的自適應調制系統，導頻符號長度的取值超過20個符號長度時， map通道估計明顯優于ml通道估計。
  3. On the basis of the study on the speech coder algorithms, paper describe an advanced method of developing dsp system software, and as the guidlines, we developed the programme of whole decoder unit. paper stress on analysis of the ecu in decoder unit. aiming at amr algorithms disadvantage of angularity of synthetical speech, paper study on the specutral extrapolation which apply to extrapolate reflect coefficient of track model to make error conceal processing of amr. at last paper analyze existing echo cancellation algorithms using on mobile communication system

    在此基礎上，描述了一種較為先進的大型dsp系統程序開發策略，並以此為指導思想，以美國ti公司c6000dsp開發平臺開發出了整個amr解碼器單元的系統程序。論文對amr解碼器的誤碼隱藏處理單元進行了重點分析，針對原有演算法合成語音自然度不好的缺點，論文研究了將譜外推法應用到amr演算法中外推出聲道模型反射系數參數進行誤碼消除處理。
  4. The occurrence of odd-parity shape oscillations in the saddle-point spectrum plays an important role in the interpretation of asymmetry and anisotropy in the fission process.

    在裂變過程中，解釋非對稱性和非各向同性時，奇宇稱形狀振蕩在鞍點譜中起主要作用。
  5. Aurora : it s better to have some scores from calter

    極光:最好有點凱爾特音樂的譜子
  6. Study on the spectral change of cate quantum dots synthesized in aqueous solution labeling avidin by uv and fluorescence spectrophotometries

    量子點標記親和素前後光譜變化的研究
  7. It was rather absurd, and somehow sinister, to see this social pretence in those poverty-stricken surroundings on a borneo river.

    在婆羅洲的一條河上，周圍一片窮困潦倒的景象，還裝模作樣的擺譜，真有點不倫不類，簡直可以說是荒誕離奇了。
  8. Results emodin, astragaloside, protocatechuic aldehyde, paeoniflorin, bupleurum root, and barbary wolfberry fruit could be detected with thin layer chromatography, in which distinct, reproductive and specific spot responsible for every ingredient was observed

    結果在薄層色譜中均能檢出大黃素、黃芪甲苷、原兒茶醛、芍藥苷、柴胡、枸杞子，且色譜斑點清晰，重現性好、專屬性強。
  9. Before using phase - only algorithm to achieve nulling, estimations of the number of interferential sources and the doa of interferential signals are needed. so, the spatial spectrum estimation basd on the maximum likelihood method ( capon method ) and music algorithm used for detecting the number of interferential sources and the doa of interferential signals are discussed in the second chapter

    在採用phase - only演算法進行波束置零之前，需要估計干擾源的方向和個數，因此本文還在第二章介紹了發射數字波束形成中用於測定干擾源個數和方向的空間譜估計法? capon演算法和music演算法的測向原理，並分析了它們的性能和優缺點。
  10. Father s day set lunch, dim sum a la carte menu

    父親節午市套餐、精美點心及自選菜譜
  11. Results : borneolum yntheticum, catechu ould be identified by tlc

    結果：在tlc色譜中可檢出冰片、兒茶的特徵斑點。
  12. Due to existing signal processing technology ’ s shortage such aslow measurement, narrow measurement range precision and other poor performance, we introduced a high - precise signal processing technology : firstly, to get power spectrum with hanning windowed welch modified periodogram, search its peak value frequency ; secondly, to apply zooming analysis via goertzel algorithm ; at last, to get a highly precise doppler frequency with energy centrobaric rectifying algorithm 。 the simulating result indicated that this technology introduced could get accurate doppler frequency 。 depending on above discussed technology, we designed a signal processing scheme, and developed a signal processing system. the running result showed high performance, verified the feasibility and reliability of the highly precise signal processing technology introduced. in a word, the technology improved ldv ’ s performance such as measurement precision, measurement range, dynamic response time 。 and it will have a wide application foreground

    針對存在的缺點，本文提出了一種應用於激光多普勒測速的高精度信號處理技術，即首先利用加hanning窗的welch修正周期圖演算法得到信號功率譜，搜索其譜峰值頻率，接著利用goertzel頻譜細化演算法對搜索的譜峰進行細化分析，再引入能量重心頻譜校正演算法對細化后的譜峰進行校正分析，從而將離散頻譜分析演算法、頻譜細化演算法和頻譜校正演算法三者有機結合起來，充分發揮各自的優點:通過加hanning窗的welch修正周期圖演算法快速得到功率譜及峰值頻率，通過goertzel演算法獲得分析頻帶的高解析度頻譜，然後通過能量重心校正演算法對細化后的頻譜進行高精度校正，這樣不僅保證了演算法的高效性，而且大大提高了分析的精度。
  13. Except the knowledge of blazons, that enables me to decipher them, i am very ignorant of heraldry - i, a count of a fresh creation, fabricated in tuscany by the aid of a commandery of st. stephen, and who would not have taken the trouble had i not been told that when you travel much it is necessary

    我對紋章雖有點研究，能略做辨別，但對於家譜學卻很不了解。我是一個新封的伯爵，這個頭銜是在托斯卡納依靠聖愛蒂埃總督的幫忙弄來的，要不是他們說這是旅行所必需的，我本來還不高興來這一套呢。
  14. On the basis of remote sensing technique ' s good characteristic with large - area, multi - time, multi - photograph variety, manifold abundant spectral information and high ground resolution, the fault tectonics frame, river geomorphy ( such as terrace, floodplain, shoal, etc ) and suspended load, etc. were explained after analyzed the fault tectonics, river geomorphy, characteristic in the tm image by gray bar statistics, primary component analyses, tm741 image integration, line convolve enhancement and model recognition etc. especially 9 piece of fault tectonics were explained in this thesis, in succession, the impacts of the factors severally were analyzed

    遙感技術具有大范圍、多時相、多片種、多層次、含有豐富的光譜信息及具有較高的地面解析度的特點。本文利用該技術，運用灰階統計特徵分析和主成分分析、 tm741多波段融合、線性卷積增強、模型提取等一系列遙感解譯分析方法，分析了斷裂構造、河流地貌（階地、漫灘、沙洲）及懸浮物等在tm遙感圖象上的影像特徵，解譯出了安徽南部斷裂構造格架、河流地貌和懸浮物的分佈，並新解譯出了9條近東西向的斷裂。
  15. Two hundred and seventy - four sites were detected by 15 10 - mer primers, out of which 262 were polymorphic ( 95. 6 % of the total loci detected ). all of the materials were clearly distinguished, of which fourteen samples have forty - five typical rapd bands. before the molecular taxonomy was introduced, people never doubted subgenus yulania ' s disrelation with subgenus magnolia and a close relation between subgenus yulania and michelia, as there is in both genera a sameness seen in their prolepsis and powder chambers dehiscing on the side

    3 、通過對玉蘭亞屬rapd擴增譜帶的分析，發現該類群具有很高的多態性：多態位點百分率高達95 . 6 ，產生的多態性帶數與所用引物數的比例為17 . 6 ， 15條隨機引物清楚地分開了31個種類，其中的14個種共有45條特徵性帶，在利用rapd標記已研究過的類群中，本類群多態性較高。
  16. This paper described that the working theory and characteristics by high frequency argon discharge gas chromatograph, application of analysis cum in high purity argon product

    摘要本文敘述了高頻氬放電離子氣相色譜的工作原理、特點；以及在高純氬氣產品分析中的應用。
  17. 5. detection : the samples were extracted with ethyl ether. the lidocaine in the sample was qualitated by rf and a tlc scanning spectrometry, quantitated by a tlc scanning chromatography and a two points external standard method or a standard curve method

    5 、利多卡因檢測方法:樣品堿化處理后，乙醚提取，薄層掃描檢測，根據利多卡因的rf值結合光譜掃描圖定性，外標兩點法或標準曲線法定量。
  18. He was weak and terrified, and he didn't understand.

    他渾身疲軟，戰戰兢兢，心裏沒有一點譜兒。
  19. ( 2 ) the effect of rotary target and fixed one on libs " intensity is studied. it is shown that the spectra intensity is stable when the rotary target is used

    （ 2 ）研究了靶點的性質對libs信號強度的影響，實驗結果表明，在測量過程中若每個脈沖激光照射在固體靶上的不同點，譜線強度具有很高的穩定性。
  20. This is by two reasons : the first, as the development of military communication technologies, it transit from digital to software implementation, intelligence, broad band implementation and network implementation. many new technologies such as adaptive frequency hopping, burst communication, broadband modulation and complex coding accelerate the research about pertinence algorithms of signal sense and signal processing. the second, three hotspots of modern signal processing - spectrum estimation, high - order statistics ( hos ) and time - frequency analysis theory become more and more consummately and being used in communication jamming and anti - jamming field

    應用於軍事通信對抗的信號處理理論發展非常迅速，這得益於兩個方面的動力：其一，軍事通信的技術和手段不斷更新，在數字化的基礎上逐步走向軟體化、智能化、寬帶化和網路化，出現了自適應跳頻、突發通信、寬帶調制和復雜編碼等新的實用技術，推動了具有很強針對性的信號偵測和處理領域的演算法研究；其二，現代信號處理的三大熱點? ?譜估計、高階統計量方法、時頻分析的理論和技術日臻完善，並逐漸應用於通信對抗領域。
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