相關信函 的英文怎麼說

中文拼音 [xiāngguānxìnhán]
相關信函 英文
unit four related letters
  • : 相Ⅰ名詞1 (相貌; 外貌) looks; appearance 2 (坐、立等的姿態) bearing; posture 3 [物理學] (相位...
  • : Ⅰ動詞1 (使開著的物體合攏) close; shut 2 (圈起來) shut in; lock up 3 (倒閉; 歇業) close down...
  • : 名詞1. [書面語] (匣; 封套) case; envelope 2. (信件) letter 3. (姓氏) a surname
  • 相關 : be interrelated; be related to; be bound up with; correlation; dependence; relevance; mutuality
  1. Initial growths of disturbances are measured by means of hot - wire anemometry. due to the detected signals with low signal to noise ratio, the coherence function is used to eliminate background noise during data reduction

    在擾動增長的初始階段,號的噪比非常地低,根據譜分析方法,應用數,將擾動號有效地提取出來,測量了初始擾動的增長。
  2. The letter of credit will be valid by banking acceptance of the confirmation of the draft in 90 days from the date of expedition on presentation of documents of expedition in compliance

    當銀行在90天內收到匯票確認(即從提交了貨物發出單據及材料開始計時)用證為有效的。
  3. The designs of the perfect discrete single based on the rule of dyadic correlative function are discussed in the secondly part of the paper

    第二部分是以並元數為準則對最佳離散號進行設計。
  4. A new cost function based on the diagonalization of correlation matrices is proposed to measure the independency of output signals

    摘要提出了一種新的基於矩陣對角化的代價數作為衡量輸出號獨立性的測度。
  5. This letter is to verify thar we are inviting. . please find attached, a detailed roster describing details for group individuals

    茲證明我們邀請. . . . . .隨附上本團成員的名單及的詳細資料。
  6. The basic theory of wideband signal processing is discussed and presented. the coherence among cwt, wcp and waf is pointed out emphatically

    論述了寬帶號處理的基本理論,指明了連續小波變換與寬帶處理、寬帶模糊度數的一致性。
  7. Produce high quality collaterals in a timely manner. proficiency in day - to - day writing including monthly reports, press releases, program and presentation documents, advertorial and features, case studies and business correspondence

    在規定時間里完成高質量的寫作。有效地完成日常工作所需文件的撰寫,包括月報、新聞稿、的執行文件、活動概述、廣告文案和專題,及商業
  8. For phase space reconstruction of ship - radiated noise, using auto correlation function and mutual information to select the delay - time, and using false nearest neighbors method to select the embedding dimension

    從自數及互息嫡兩個方面討論了空間重構中延遲時間的選擇。
  9. This method uses two spatially separated receiving equipment. cross correlation of the two outputs will therefore yield the auto correlation function ( acf ) of the signal, plus noise which is spread uniformly over the whole width

    該演算法採用空間上分離的兩路接收設備,通過對包含同一個號的2個輸出號互,得到號窄自數( acf )和在整個帶寬里均勻分佈噪聲成分。
  10. Two detection methods of chirp signals are presented in the dissertation : the cyclic autocorrelation detection method and the correlation detection method of cyclic autocorrelation function. it is shown that the two methods both have an excellent performance of blind detection. the performance analyses of the two detection methods are both carried out for additive noise or multiplicative noise, and the output signal - to - noise ratio ( snr ) expressions of the two methods are also derived

    通過研究提出了兩種線性調頻號的檢測方法?基於循環自數包絡的檢測方法和基於循環自數的數包絡的檢測方法,兩種方法均可實現號的盲檢測,有良好的檢測性能,文中還分析了加性噪聲及存在乘性和加性噪聲情況下兩種檢測方法的性能,推導出了輸出噪比公式。
  11. In this thesis, summarized the basic theories of fourier transformation and the fast fourier transformation that are generally adopted to detect and analyze the electric power harmonic in the electric power supply system. at the same time, summarized the even sample principle, the phenomenon of frequency mix, the window functions and the frequency leaking as so on, those are closely - related to sample from figure signal

    簡要闡述了電力系統諧波檢測分析所普遍採用的傅利葉變換和快速傅利葉變換的基本理論以及與數字號采樣密切的均勻抽樣定理、頻譜混疊現象、窗數和頻譜泄漏等的基本理論。
  12. Summarized no - line loads and the present situations of the electric power harmonic pollution in the guangyuan district ' s electric power supply system ; explained the theories of fourier transformation and the fast fourier transformation those are widely adopted by majority scholars to examine and analyze the electric power harmonic in the electric power supply system. summarized the principle of even sample, the frequency mix phenomenon, the window functions and the frequency leaking as so on, those are closely - related to the figure signal

    簡要闡述了電力系統諧波檢測分析所普遍採用的傅利葉變換和快速傅利葉變換的基本理論,簡要闡明了與數字號采樣密切的均勻抽樣定理、頻譜混疊現象、窗數和頻譜泄漏等的基本理論,同時闡述了電力系統的諧波檢測與分析的理論基礎知識。
  13. For real world implementation of wavelet theory, we mainly focus on the selection of suitable wavelet bases and related algorithm applied in the following different aspects : in this paper, the selection of wavelet basis function is presented in detail through the investigation of traditional selection of wavelet basis and the theory of lifting scheme, an adaptive wavelet transform is put forward, and the adaptation is come from adaptive choosing between a class of linear predictors within the lifting framework according to the local gradient of the signal. we investigate the central issues such as the structure of adaptive frame and the calculation of corresponding wavelet basis function

    對于小波的應用性研究,針對實際應用,主要對其基數選取及的應用演算法進行了詳細探討,主要工作內容包括下面幾個方面:在論文中,首先對基數的選取進行了詳細的研究,通過對經典的小波數選取方法的研究,並在對經典小波變換和提升框架的基礎理論上,提出了利用提升框架並根據號的局部特徵自適應選取小波基,探討了自適應框架的結構以及應的小波基數的計算。
  14. Based on the firsthand observation information obtained from air observation, this paper gived a second extrapolation to aircraft possible flight path and made checks on targets relativity by the method of utility function overall evaluation, accomplished the data fusion of targets information, and resolved the problem of relating of air observation information fusion and flight path extrapolation

    摘要在得到對空觀察哨直接觀測息的基礎上,對目標可能航向進行二次外推,並利用效用數綜合評估法對目標性進行檢驗,完成對目標息的融合,解決了觀察哨情報數據聯和航跡外推問題。
  15. On the basis of theory analysis, the average transmitted light intensity ( correspond to dc value ) was determined as characteristic parameter of raw water using photoelectric method for monitoring the fluctuation of transmitted light and photometric dispersion analyzer ( pda ). the dc value was closely related to both particle concentration and surface area of sand clay simultaneously. the experimental results shows that there is an exponential function relation between dc and surface area of sand clay in unit volume water ( sp ) : dc = asbp in which a and b are empirical coefficients. then the formula of macromolecule flocculant dosage is found to be d = f ( dc ) = e ( dc ) f in which e and / are empirical coefficients and the average correlation coefficient equal to 0. 981. so the model of automatical control system of water treatment plant was established using the formula

    應用透光率脈動檢測技術和光散射顆粒粒度分析儀( pda ) ,通過理論分析,將pda的輸出號之一? ?平均透光強度(對應于dc值)作為原水的特性表徵參數, dc值可以同時反映顆粒濃度和比表面積因素的影響,試驗結果證明, dc值與單位體積水中泥沙顆粒總表面積s _ p之間具有很好的冪系: dc = cs _ p ~ d ,式中c 、 d為經驗系數,進而得到了以dc值為參數的高分子絮凝劑投藥量公式: d = f ( dc ) = e ( dc ) ~ f ,式中: e 、 f為經驗系數,平均系數達0 . 981 ,利用所建立的公式,建立了前饋? ?后饋聯合控制的在線自動投藥模型。
  16. The model of this paper explores the links between the following factors and the credit rationing in china. the change of banks " attitude to credit risk may lead to credit rationing ; banks give much more emphasis on the trade cost and the payable value of collateral, which may give rise to credit rationing ; the decreasing of asset price during economic stagnation produces credit rationing ; the bias of banks " objective function from the maximization of profit and the transformation of the function relating to the reform of the financial system cause credit rationing ; if different parts of the whole markets are not integrated, the credit in the part with low capital return ratio will be rationed. during economic recession, banks tend to ration the credit in the high - risk market ; the removing of interest ceiling will narrow down the interest spread of deposit and credit at least during a period, which may strengthen credit rationing ; meanwhile, the vulnerable borrowers, including small and middle - sized enterprises, will get more credit from banks even though they have to pay a higher interest rate

    論文的模型探討了下列因素和中國貸配給現象之間的聯系:商業銀行對貸風險的態度變化,在辨別和控制貸風險上開始投入大量的成本,這一過程會導致貸配給;商業銀行對與法治環境的交易成本和抵押品清償價值的日漸注會導致貸配給;宏觀經濟緊縮時期資產價格下降會導致貸配給;商業銀行經營目標數偏離利潤最大化,近幾年金融業改革過程使商業銀行目標數發生變化,這一變化過程可能導致貸配給;在市場分化的條件下,收益水平低的市場會遭受貸配給;在經濟下滑時期,商業銀行尤其會對高風險市場配給貸;利率市場化使商業銀行的存貸利差至少在一段時間內縮窄,利差縮窄可能加重貸配給的程度:在利率市場化條件下,弱勢借款者,包括中小企業,遭受貸配給的程度可能得到緩解,但支付的貸款利率水平將會升高。
  17. We develop some methods for evaluating the security of lsb steganography using randomness test and two - dimension self - correlation function. 4 ) evaluation of the statistical visibility of information hiding algorithms

    提出了基於二維自數徑向譜和隨機性檢驗(包括順序檢驗、遊程檢驗和一維自檢驗)的lsb息隱藏安全性評估方法。
  18. This project intends to construct a parameterized function banks about the internal properties of wavelets aimed at a extensive kind of multi - wavelets and some categories of relatively specific non - separable wavelets with significant practical background, and disclose the essential characters of non - separable wavelets. through optimizing the bases of wavelets, it will build a problems oriented system of self - adaptive wavelets neural network and apply it to the relative problems of signal processing

    本課題擬對比較廣泛的一類多小波及對特殊但具有十分強烈應用背景的幾類非分離小波建立于小波各種內在性質的參數化數庫,並試圖揭示非分離小波的本質特徵;通過最優化小波元和小波基數,建立面向問題的自適應小波神經網路系統,並應用於號處理問題。
  19. The main contributions of the second part of this dissertation are focused on the cryptographic properties of logical functions over finite field, with the help of the properties of trace functions, and that of p - polynomials, as well as the permutation theory over finite field : the new definition of chrestenson linear spectrum is given and the relation between the new chrestenson linear spectrum and the chrestenson cyclic spectrum is presented, followed by the inverse formula of logical function over finite field ; the distribution for linear structures of the logical functions over finite field is discussed and the complete construction of logical functions taking on all vectors as linear structures is suggested, which leads to the conception of the extended affine functions over finite field, whose cryptographic properties is similar to that of the affine functions over field gf ( 2 ) and prime field fp ; the relationship between the degeneration of logical functions and the linear structures, the degeneration of logical functions and the support of chrestenson spectrum, as well as the relation between the nonlinearity and the linear structures are discussed ; using the relation of the logical functions over finite field and the vector logical functions over its prime field, we reveal the relationship between the perfect nonlinear functions over finite field and the vector generalized bent functions over its prime field ; the existence or not of the perfect nonlinear functions with any variables over any finite fields is offered, and some methods are proposed to construct the perfect nonlinear functions by using the balanced p - polynomials over finite field

    重新定義了有限域上邏輯數的chrestenson線性譜,考察了新定義的chrestenson線性譜和原來的chrestenson循環譜的系,並利用一組對偶基給出了有限域上邏輯數的反演公式;給出了有限域上隨機變量聯合分佈的分解式,並利用隨機變量聯合分佈的分解式對有限域上邏輯數的密碼性質進行了研究;給出了有限域上邏輯數與應素域上向量邏輯數的系,探討了它們之間密碼性質的聯系,如平衡性,免疫性,擴散性,線性結構以及非線性度等;討論了有限域上邏輯數各類線性結構之間的系,並給出了任意點都是線性結構的邏輯數的全部構造,由此引出了有限域上的「泛仿射數」的概念;考察了有限域上邏輯數的退化性與線性結構的系、退化性與chrestenson譜支集的系;給出了有限域邏輯數非線性度的定義,利用有限域上邏輯數的非線性度與應素域上向量邏輯數非線性度的系,考察了有限域上邏輯數的非線性度與線性結構的系;利用有限域上邏輯數與息工程大學博士學位論文應素域上向量邏輯數的系,揭示了有限域上的廣義bent數與應素域上的廣義bent數的系,以及有限域上的完全非線性數與應素域上向量廣義bent數之間的系;給出了任意有限域上任意。
  20. Under the condition of " comparatively weak correlation between the two noises involved, coherence function is used as a frequency domain amplification factor for improving snr of the output signal to the filter and the speech enhancement effect. meanwhile, a real - time recursive algorithm is put forward in substitute for current algorithms based on short time fourier transform. the new algorithm will simplify computations and will be suited for real - time implementation together with the adaptive systems

    接著針對上述nanc系統兩路輸入號噪聲性弱的情況,用數作頻域增益因子來提高輸出噪比與改善語音增強效果,同時,通過一種實時迭代演算法解決了短時傅氏變換計算量大的問題,簡化了計算,便於實時處理與實際應用。
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