coherence function 中文意思是什麼

coherence function 解釋
相干函數
  • coherence : n. 1. 緊密的結合，凝聚。2. 統一，首尾一貫；一致性。3. 【物理學】同調；【光學】相干性，相參性；【化學】內聚力；內聚現象。
  • function : n 1 功能，官能，機能，作用。2 〈常 pl 〉職務，職責。3 慶祝儀式；（盛大的）集會，宴會。4 【數學】...
  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，信號的信噪比非常地低，根據相關譜分析方法，應用相干函數，將擾動信號有效地提取出來，測量了初始擾動的增長。
  2. On the other side, we use the method of optical formation process to introduce two fundamental filtering function in frequency domain of coherence system of awg two optical processors are designed, that is optical signal add / minus and phase filter

    另一方面，運用光學信息處理方法，我們探討了awg型相干系統頻譜區兩類基本的濾波函數的引入，設計了兩種光信號處理器：光信號加減器以及位相，濾波器。
  3. Then analyze typical noises of the network based on bispectrum, get the wave characteristics according to bi - coherence function, and carry on the clustering analysis based on self - organizing feature mapping, so it realizes the clustering identification of the typical noises of medium - voltage power line

    而後對電網的典型噪聲進行雙譜分析，並通過雙相干函數提取其波形特徵，利用自組織特徵映射神經網路進行類聚分析，從而對特定中壓配電網的各種電網噪聲干擾進行分類識別。
  4. The signal process function of the software include these function : digital filter, windowing, auto - correlation function and cross - correlation function, mean and variance, probability density function and probability distribution function statistic ; auto - power spectrum, cross - power spectrum, frequency response function, coherence function, cepstrum analysis based on fft ( fast fourier transfer ) ; joint time - frequency analysis based on stft ( short - time fourier transfer )

    軟體的處理功能包括：數字濾波、時域加窗、自相關與互相關處理、均值和方差計算、概率密度和概率分佈函數計算；在快速傅立葉變換（ fft ）基礎上計算自功率譜、互功率譜、頻率響應函數、相干函數、倒頻譜分析；基於短時傅立葉變換（ stft ）的聯合時頻分析等。
  5. The major job is manufactured a transmitter, which has three upmixer channels. its function is to up convert the signals from c - band to ka - band. the input local oscillator is provided by a low frequency crystal oscillator which has a good performance of phase noise, through 512 times multiply to ka band. this sysetem is used in the laboratory as transmitter source of the fuze, for the multidimensional objects in practise, which lead to the complexity of the reflect signal, so the amplitude, frequency and the phase of the transmit signals both have a key role in dealing with the reflection signals. therefore, this system requires for both the coherence of the single channel ’ s amplitude, phase and multi channels

    本文的主要工作是應用戶要求製作一具有三發射通道的上變頻系統，可以將c波段的微波信號上變頻到ka波段的毫米波信號。系統的本振輸入基頻由一相位噪聲非常好的低頻率晶振提供，經過512次的倍頻放大至ka波段。本系統作為實驗室中引信的發射源，由於目標反射信號具有時變的多維性，反射信號變得極為復雜，在信號處理時，不僅信號幅值、頻率有決定意義而且相位關系也很有決定意義。
  6. According to local legends and the stone tablet at the temple, the building was built before 1899. being a district temple of kau sai chau, it has long been a place in which to pray for the safety of fishermen and has the social function of strengthening the coherence of the community

    根據村民傳說及從古廟的碑記推測，洪聖古廟在一八八九年以前便已建成，一直以來是?西洲的地區廟宇，不僅供漁民祈福求安，也有團結地方社群的社會功能。
  7. The direct adjustment function of the bankruptcy laws to the socialistic economy can be understood as a final implement of the national coherence on the insurance of the creditor ' s right in specific conditions, a protection of the interest of all the creditors and the debtors, an insurance for a healthy society and economic system

    破產既是債權人保護自己利益的一種手段，也是企業新陳代謝的一個契機。破產法對社會主義商品經濟的直接調整作用，表現為以國家強制力保障債權在特殊情況下的最終實現，公平維護全體債權人與債務人的正當權益，保證正常的社會經濟秩序。
  8. Several new physics experiments in 1998 were performed and analyzed to showthe subtlety of quantum theory, including the “ wave - particle duality ” and the nonseparability of two - particle entangled s tate. here it is shown that the measurement is bound to change the object by dest roying the original quantum coherence between the object and its environment. so the “ physical reality ” should be defined at two levels, the “ thing in itself ” and the “ thing for us ”. the wave function in quantum mechanics is just playing the role for connecting the two levels of matter via the fictitious measurement

    在1998年完成和分析的幾個新的物理實驗顯示了量子理論的微妙性，包括「波粒二重性」以及二粒子纏結態的不可分性.本文的分析表明：測量在破壞原來存在於客體及其環境間的量子相干性時必然要改變客體.因而「物理實在」應在兩個層次上定義： 「自在之物」與「為我之物」 .量子力學中的波函數則正起了通過「虛擬的測量」將這兩個層次的物質聯系起來的作用
  9. Abstract : several new physics experiments in 1998 were performed and analyzed to showthe subtlety of quantum theory, including the “ wave - particle duality ” and the nonseparability of two - particle entangled s tate. here it is shown that the measurement is bound to change the object by dest roying the original quantum coherence between the object and its environment. so the “ physical reality ” should be defined at two levels, the “ thing in itself ” and the “ thing for us ”. the wave function in quantum mechanics is just playing the role for connecting the two levels of matter via the fictitious measurement

    文摘:在1998年完成和分析的幾個新的物理實驗顯示了量子理論的微妙性，包括「波粒二重性」以及二粒子纏結態的不可分性.本文的分析表明：測量在破壞原來存在於客體及其環境間的量子相干性時必然要改變客體.因而「物理實在」應在兩個層次上定義： 「自在之物」與「為我之物」 .量子力學中的波函數則正起了通過「虛擬的測量」將這兩個層次的物質聯系起來的作用
  10. 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系統兩路輸入信號噪聲相關性弱的情況，用相干函數作頻域增益因子來提高輸出信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。
  11. Further more, power spectrum density ( psd ) of each test section was analyzed, and its experiential formula was given. combined with experiential the formula of coherence function, the mathematic model for calculating the caarc standard tall building ' s wind - induced response was set up

    進一步擬合了順風向和橫風向各測點層層風力譜的經驗公式，並給出了以此為基礎的計算caarc標模風振響應的流程，從而建立起完整的標模風振響應以及等效荷載計算的數學模型。
  12. This paper also show a rough estimate of the gains of this array, because it needs one year ' s data to collect one year ' s noise correlation variation curves and then give a more practical detection ability of the seismic array. one result of this paper is " seismic array site survery data processing software " exploited by the author. the software can calculate the power spectrum of noise for every site, noise coherence function for every site pair, the cross - correlation curves, the root mean square of noise for every site and the array response

    此外還計算了該臺陣的臺陣響應，發現臺陣響應的主瓣高而尖；旁瓣很小，這歪姐鈕遠宣腔撾踏數公鍍壁韶逼上攏唆精確啻應：有關此臺陣的檢測能力，只能給出一個粗略的估計，因為評價一個臺陣對地震事件的檢測能力需要獲得為期一年的觀測資料，才能給出一年內噪聲場變化的相關值曲線，最終給出更加符合實際的臺陣檢測能力。
  13. The cross - correlation curves method as a traditional method is to find out the distance with the biggest snr to be the radius. the author tried a new coherence function method combined with the cross - correlation curves traditional method to confirm that the radius of the seismic array are 380m and 1500 - 1750m respectively

    作者對比了各測點對之間的噪聲和信號的相干函數並找出了信噪比最大的距離值，結合傳統的相關值曲線理論得出了蘭州臺陣內外圓的半徑分別為380m和1500 - 1750m 。
  14. In this paper, a simplified method of calculating wind - induced response and design loads of super - high - rise buildings was proposed. coherence properties of wind load on typical tall building were analyzed and the results show that cross - wind loads at different height have strong coherence at vertex shedding frequency, and the coherence function ' s value here is near to 1

    首先分析了各測點層合力的相干特性，結果顯示各測點層所受順風向風荷載之間的相干函數基本成單調衰減規律，而橫風向脈動風荷載在漩渦脫落頻率處存在和順風向不同的顯著相關性。
  15. The basic concepts of second - order coherence theory in describing wavefields are introduced. these concepts are the cross - spectral density function and spectral degree of coherence in the space - frequency domain, and the mutual coherence function and the complex degree of coherence in the space - time domain

    介紹了二階相關理論中描述光場相干性質的基本概念，包括空間-時間域中的互相關函數、復相干度和空間-頻率域中的交叉譜密度函數、光譜相干度。
  16. Partial coherence function

    部分相干函數
  17. Spatial coherence function

    空間相干函數
  18. In analysis and transaction of signals, spectrum analyzer is a classical and important instrument which is mainly used to analyze the time domain wave, amplitude, spectrum domain wave, demodulating analysis, digital filtering, correlate analysis, transfer function and coherence function of signals

    頻譜分析儀是信號分析與處理中常用的儀器，它可對信號進行時域分析、幅值域分析、頻域分析、解調分析、數字濾波、相關分析和傳遞相干分析。
  19. So a new method is proposed that combines the traditional transfer function and coherence function analysis with the statistics of frequencies to obtain the dominant frequencies, which can reflect how the noise sources influence the bus interior noise level in frequency domain, and which will provide reliable references to make up plans in reducing the bus interior noise

    對此提出了在傳統的傳遞函數和相干函數分析的基礎上結合頻率統計，選出優勢頻率的方法來考察噪聲源對車內噪聲的影響，為制定客車車內噪聲治理方案提供了可靠的依據。
  20. On basis of this property a new type of coherence function was proposed and a simplified method of analyzing structure ' s wind - induced response and equivalent load was proposed. wind tunnel experiments with the caarc standard tall building model was executed to verify the proposed method with the dynamic balance technique. the comparisons show the good agreement on the basis of linear mode shape assumption that is used in balance technique

    按照簡化方法計算的基底傾覆彎矩功率譜、基底彎矩響應、頂部加速度和位移響應等參數均能與高頻底座天平試驗的結果較好的符合，等效設計荷載的計算結果也與按照《建築結構荷載規范》的計算結果具有一定的可比性。
分享友人
分享到 Line

分享到臉書