auto spectrum 中文意思是什麼

auto spectrum 解釋
自乘譜
  • auto : n. （pl. autos） 〈美口〉汽車。vi. 坐汽車。
  • spectrum : n. （pl. -tra ）1. 【物理學】譜，光譜；波譜；能譜，質譜。2. 【無線電】射頻頻譜；無線電（信號）頻譜。3. 【心理學】（眼睛的）余像；殘像。4. 〈轉義〉范圍，幅度；（連續的）系列。
  1. The thesis analyzes the transmitting characteristic of the uwa channel, derives the propagation losses, eigenrays and channel impulse responses of uwa channel by use of the kraken normal wave mode and the ray trace algorithm based on velocity - depth curvilinear profile approximation. based on the analysis, a scheme of auto - replying lduwarc system by means of spread spectrum technique has been designed

    論文首先分析了遠程聲遙控通道傳輸特性，分別利用kraken簡正波和射線跟蹤模型對深海和淺海水聲通道的傳輸特性進行分析，對通道的多徑結構、衰落和環境噪聲進行了計算，並在此基礎上設計了基於擴頻技術的自主應答式遠程聲遙控系統方案。
  2. 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。
  3. The auto - spectrum is attached to linear phase, the amplitude - frequency drawing is got according to the arithmetic of bi - spectrum, then the equivalent is educed, the conversion relation is attained

    該方法通過對自譜添加線性相位，根據雙譜的數值估計演算法計算獲得雙譜在三維空間的幅頻圖，通過推導雙譜與自譜估計演算法之間的等價關系以及所得的幅頻圖來實現兩者之間的相互轉換。
  4. In the first session the fans vibration on - line monitoring system is realized with vc language, also compile auto power spectrum density function, cross power spectrum density function, autocorrelation function and cross correlation function etc spectral analysis function to carry through simple offline fault diagnosis

    首先用穩定性強、擴展性好的vc + +語言開發了通風機振動在線監測系統，並編寫了自功率譜密度函數、互功率譜密度函數、自相關函數和互相關函數等頻譜分析函數來進行簡單的離線故障診斷。
  5. Information of system auto and cross spectrum, auto and cross correlation. coherent function, signal to noise ratio, frequency response and impulse response was established to help the study and arrangement of the module components

    由力規及加速規兩量測之時域訊號，經快速富利葉轉換，計算其自頻譜及互頻譜，再經反富氏轉換回時域之自相關及互相關函數、相通函數、訊噪比、頻率響應函數、脈沖響應函數。
  6. For the next, it studies the theory of auto - cross spectrum density method and stochastic subspace identification method

    其次，研究了自互譜法和隨機子空間法的理論。
  7. As a classical and practical method in ambient vibration experimental modal analysis, auto - cross spectrum density method replace the frequency response function with power spectrum and achieve its mode shape from transmissibility between the response signals and reference signal

    自互譜法作為環境激勵實驗模態分析的一種實用的經典方法，用響應點和參考點間的功率譜曲線來代替頻響函數曲線，並由響應點和參考點之間響應的傳遞率得出振型。
  8. Before the development of the system, the article describes the above - mentioned aspects, as the bases of the system development. the article emphasizes related auto - controlling technologies : open - 100p and close - 100p, and control mode of negative - feedback, the scatter and quantization of the simulate signal, the conception of a / d and d / a conversion and code / encode, the basic sampling principles of the simulate signal. the article introduces the operation method and process of the system by means of the load spectrum

    文章對相關的理論進行了陳述，以作為系統開發的理論依據，重點闡述了自動控制系統中包括開環閉環在內的幾大主要控制模式，以及有關的負反饋控制方式，模擬信號的離散與量化，模數轉換、數模轉換、編碼譯碼的概念，及模擬信號采樣的基本原理? ?采樣定理，並以載荷譜法為例，簡述了所研究的系統將要採取的工作方式及工作過程。
  9. As another application instance, a subsystem monitoring ultra - high frequency partial discharge of transformer is developed, which can analyse, process, plot time - domain pd data and demodulated pd data, besides, it also has such discharge type recognition function as spectrum calculation and auto correlation

    作為另一應用實例，研製了變壓器超高頻局放監測子系統，此系統具有分析、處理、顯示超高頻時域波形及其包絡線波形數據的功能，還具有用於放電模式識別的時域波形及其包絡線波形的頻譜計算和自相關處理等功能。
  10. Some characters and fourier spectrum characters of the almost perfect autocorrelation sequence pairs are discussed, and the necessary conditions of existences of the almost perfect auto - correlation sequence pairs are given

    其次，提出了幾乎最佳自相關序列偶的理論，它是幾乎最佳自相關序列的深入和發展，探討了它的性質，譜特性，存在的必要條件。
  11. These demand to develop a more reliable remote control system. based on the analysis of underwater acoustic ( uwa ) channel, this thesis designs an auto - replying lduwarc system by means of spread spectrum technique

    針對上述問題，本文在水聲通道分析的基礎上，設計了一種基於擴頻技術的自主應答式遠程聲遙控系統，系統著重考慮了系統的調制方式和自主應答的方式。
  12. 3. according to the algorithm of attribute reduction, auto - classification system about stellar spectrum data is designed and implemented through using visual foxpro 6. 0, which automatically extract rules from stellar spectrum

    3 .依據上述屬性約簡演算法，採用visualfoxpro6 . 0數據庫管理系統，設計與實現了恆星光譜數據自動分類系統，實現了恆星光譜分類規則的自動提取。
  13. Abstract : this paper first discusses the optimum method of feature choice in the fuzzy recognition of tank under the condition of different noise source interference. then, through quantitative analysis of the peak features of power spectrum and auto - correlation spectrum, it analyzes and contracts the recognition effects of tank under the condition of multi - source interference. finally, it gives the profitable results

    文摘:對不同聲源干擾條件下坦克識別的特徵優選方法進行了深入的研究和探討，在此基礎上，通過雙譜譜峰特徵的定量分析，對多源干擾時的坦克識別效果進行了分析對比，得出了有益的結論。
  14. This paper first discusses the optimum method of feature choice in the fuzzy recognition of tank under the condition of different noise source interference. then, through quantitative analysis of the peak features of power spectrum and auto - correlation spectrum, it analyzes and contracts the recognition effects of tank under the condition of multi - source interference. finally, it gives the profitable results

    對不同聲源干擾條件下坦克識別的特徵優選方法進行了深入的研究和探討，在此基礎上，通過雙譜譜峰特徵的定量分析，對多源干擾時的坦克識別效果進行了分析對比，得出了有益的結論。
  15. By deducing the theory of this method, it comes to a conclusion that auto - cross spectrum density method is much the same as peak picking method based on frequency response function. and it also talks about the virtues and defects of the method

    本文通過對相關理論的推導，說明了自互譜法與基於頻響函數的峰值攝取法是近似相通的，同時對該方法的優缺點作了敘述。
  16. There is a focus on application of the stochastic subspace identification method in this article. for its defect in application of engineering, it also studies auto - cross spectrum density method which is classical in engineering, and it can be used as a supplement

    針對隨機子空間法在工程應用中耗時長的不足，本文還研究了工程應用中比較經典的自互譜法，該方法可以作為隨機子空間法的補充。
  17. In consideration of defects of weak anti - interference ability of strong - narrow band in an orthomode spread spectrum system, it is proposed that an ablefaction auto - adated filter, which is a new method, is used to trace and avoid the interference from the strong - narrow band

    摘要針對直擴系統對強窄帶干擾的抗干擾能力弱的缺陷，提出了採用白化自適應濾波器來跟蹤並消除強窄帶干擾的新方法。
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