steady signal 中文意思是什麼

steady signal 解釋
穩定信號
  • steady : adj 1 穩固的,平穩的,穩定的,不變的(腳步、努力等)。2 堅定的,扎實的,牢靠的(船等)。3 有規則...
  • signal : n 1 信號,暗號;信號器。2 動機,導火線 (for)。3 預兆,徵象。adj 1 暗號的,作信號用的。2 顯著的...
  1. Output can be obtain, next we use our designed the wavelet soft threshold to select result of the wavelet transform, finally, we give the selected result reversal wavelet transform. it is obvious : the wavelet soft threshold is important to improve the quality of the gray image processing. i give the donoho wavelet soft threshold a modified value method, which has a relation with ratio of signal - noise. i made full use of discrete hop field single feedback neural network, and nonlinear steady of automatic system at last, i obtained a steady limited ring, give the energy function an order differential a optimal

    我的思路是:改造現有圖形結構,先建立能反映信噪比大小且含待定參數k的表達式,然後通過離散型h0pfi舊單層反饋神經網路,再結合前邊的混合濾波器構成一個非線性控制系統,寫出對應的網路函數,利用相平面法和李雅普諾大穩定性的判據,得到一個穩定的極限環,從而確定出參數卜的范圍,進而再對原來的小波軟閾值進行修正,用修正後的值作為小波閾值。
  2. For micro - cavity semiconductor laser, station model is proposed in this paper and its steady - state and instantaneous characteristics when the coupling efficiency of spontaneous emission into a lasing mode is equal to 1 are analysised. for current noise, sp noise, noise, p noise, as well as current modulation, sp modulation, modulation and p modulation, using small - signal approximation, we derive the laser ' s corresponding transfer functions. and we calculate their signal - to - noise ratio ( snr ) gain in various parameters through frequency domain analysis in the premiss of large input snr

    本文對于微腔半導體激光器,提出站模型,能夠較直觀簡潔地分析微腔半導體激光器的穩態和瞬態特性,利用此模型對具有重要實用價值的= 1的微腔半導體激光器進行了討論;對于電流i噪聲、自發發射壽命_ ( sp )噪聲、自發發射因子噪聲、光子壽命_ p噪聲,以及電流調制、 _ ( sp )調制、調制、 _ p調制,在小信號近似下,得到了相應的激光器的傳遞函數;在大信噪比的前提下,對激光器進行了頻域分析,分別計算了它們在不同參數下的信噪比增益,分析了其抗噪聲性能。
  3. Wavelet theory more excellent in wiping off yawp of steady signal and unsteady signal than conventional ftp theory

    小波理論對平穩信號及非平穩信號的消噪處理比傳統的傅立葉分析更優越。
  4. This paper researches the non - direct - grounded system fault detection from software arithmetic view, whose main content is as follows : the paper analyses the system running characters before and after fault. and the paper analyses the fault transient signal and fault steady signal and all parts in fault steady signal after the single line - to - earth fault occurs, and discovers the fault laws and appearance of fault signal. the analyzing of the fault laws and fault phenomenon of non - direct - grounded system all above is the base of analyzing arithmetic

    本文針對小電流接地系統選線的問題,從軟體演算法的角度進行了研究,主要內容如下:對小電流接地系統故障前和故障后系統的運行特點進行了分析,並且對小電流接地系統發生單相接地故障后,故障暫態信號、故障穩態信號以及故障穩態信號的各種成分進行了深入的分析,找到了故障的規律以及其故障信號的表現形式,為對各種演算法的分析比較打下了基礎。
  5. The simulation results indicate that the oscillator circuit with the cmos technology producing steady oscillating signal has power consumption as low as 800uw

    模擬表明,採用cmos工藝能使振蕩器電路在產生穩定振蕩波形的同時,達到800uw的較低功耗。
  6. The former realizes steady transmission of signal by testing and analysing the carrier channel ' s frequency characteristic

    前者是通過對載波通道的頻率特性時變性測試、分析,實現信號平穩傳輸。
  7. The topologies family include single four - quadrant power switch mode, push - pull mode, half - bridge mode, and full - bridge mode circuits. taking full - bridge mode circuit as an example, the operational mode, steady principles, transient voltage feedback control strategy of the converter are investigated. the output characteristic curve, the design for the key circuit parameters and the reference sinusoidal circuit which is synchronous with the signal of n or 1 / n times line voltage frequency are given

    該電路拓撲族包括單四象限功率開關式、推挽式、半橋式、全橋式電路,以全橋式電路為例分析研究了這類換器工作模式、穩態原理與電壓瞬時值反饋控制策略,給出了變換器的外特性曲線、關鍵電路參數、與電網電壓n倍頻或n分頻信號同步的基準正弦電路的設計。
  8. Using data - collecting system developed by ourselves and controlling different parameters, the author monitors the phenomenon of transient boiling and measures the temperature signal. in order to verify the experimental results, numerical simulation of the steady temperature field is carried out before the transient experiment

    利用自行開發的數據採集程序系統對瞬態沸騰現象進行監控和溫度信號的測量;並對瞬態試驗前的穩態溫度場進行了數值模擬,通過與穩態試驗數值的比較,來驗證實驗件的溫度場分佈。
  9. Thesis is in simple introduction a few analysis method and steady data of fettles with the foundation of the characteristic sketch of the data of instantaneous fettle lastly, put forward vibration signal of some concrete problem

    論文在簡單介紹幾種分析方法以及穩態數據和瞬態數據的特徵圖形的基礎上,提出了振動信號中的若干具體問題。
  10. 4. in order to solve the chattering brought about by structure variant of controller, a design method of dynamic sliding mode in ac servo system is proposed. the control signal produces an effective chattering reduction after integrations, and the addition of the tracking error integration can eliminate the steady - state error

    4 、為解決傳統變結構控制的抖動問題,本文採用動態滑模變結構方法,利用輸出的積分特性消除抖動,同時加入誤差積分項改善系統的穩態誤差。
  11. Firstly, we analyze the transient and steady character of single phase high - impedance grounding fault. secondly, based on wavelet analysis on checking mutational signal and direction high frequency protection theory, utilizing zero sequence current and module current, this paper provides a new scheme including fault starting element, fault phase selection element, directional element and main criterion. this scheme can bear high impedance and is immune to system surge and frequency warp, which gets over the shortcoming of the lack of sensitivity

    由於現有的保護方案無法快速有效地切除此類故障,本文在詳細分析了單相高阻接地故障的穩態和暫態特性的基礎上,從小波分析原理出發,利用小波變換檢測突變信號的原理,以零序電流、模電流等為研究對象,結合方向高頻保護的原理,設計了一套包含啟動元件、選相元件、方向元件、主保護的保護新方案。
  12. All these changes, which are of importance to subsynchronous oscillation analysis, cannot be described with the quasi steady state ( qss ) model any more. therefore, the deficiency of qss - model - based eigenvalue method is pointed out and a novel method named complex torque coefficient - test signal method is adopted to analyze the subsynchronous oscillation caused by hvdc or facts devices

    基於此,指出了採用準穩態模型進行hvdc系統次同步振蕩分析的局限性,並引入了分析hvdc或含有facts裝置的系統次同步振蕩問題的方法:復轉矩系數- - - -測試信號法。
  13. Wavelet transform becomes the main subject of image compression coding for it has the advantage of describing non - steady signal

    小波變換由於具有能夠有效描述非平穩信號的獨特優點而成為當前圖像壓縮編碼研究的主要方向。
  14. Improving the result of system based on the fx - lms structure while dealing with non - steady signal, the rls algorithm based qr decompose has been used in the the fx - lms structure

    為改善基於fx - lms結構的系統對非平穩背景噪聲的抵消性能,在fx - lms結構的系統中應用了基於qr分解的rls方法。
  15. The wavelet ' s characteristic of focus " varieties make wavelet better analyses ability in the time field and the frequency field. it is a perfect method of analyzing non - steady signal, and it is fit to analysis ultrasonic pulse echo signal

    而小波的「變焦距」特性使得小波分析在時域和頻域中都具有良好的分析能力,是一種理想的分析非穩態信號的途徑,適于對超聲脈沖回波信號的分析。
  16. This paper analyses the transient character of line fault when the neutral point connects to ground in different ways. from the angle of signal processing, the wavelet packet analysis theory is introduced to selecting fault, in which the fault character is not the steady signal but the transient signal

    本文在中性點不同接地方式下,研究和分析了線路故障特徵量的暫態特點,主要從信號處理的角度,提出將小波包分析理論運用到故障選線。
  17. Due to the unsteadiness of the vibration signal, conventional methods of gear fault diagnosis based on steady signal processing, which consist of time domain and frequency domain analysis method, are not as effective to local defect as to dispersed defect of gear

    傳統的齒輪故障診斷方法(包括頻域分析方法和時域分析方法)對于齒輪的分佈故障有很好的診斷效果。但當齒輪產生局部故障時,失效的輪齒間斷地進入嚙合,產生沖擊振動,使得齒輪振動信號包含了非平穩或時變成分。
  18. The current break arithmetic and net arithmetic use fault steady signal as defection gist which is steady and easily identified, and the two arithmetic inherits the excellence of the tradition breadth comparing and phase comparing, which overcomes the effect of the changing of the system parameters which brings the difficult for fault defection

    電流突變量演算法和網路演算法以故障后穩態基波信號作為選線依據,信號穩定,容易識別,並且這兩種演算法吸取了傳統比幅比相演算法的優點,有效的克服了系統參數變化等影響帶來的選線困難。
  19. This paper analyses the steady and transient character of line fault when the neutral point connects to ground in different ways. from the angle of signal processing, the wavelet analysis theory and the artificial neural networks are introduced to fault location, in which the fault character is not the steady signal but the transient signal

    本文在中性點不同接地方式下,研究和分析了線路零序故障特徵量的穩態和暫態特點,主要從信號處理的角度,提出將小波分析理論和人工神經網路原理運用到故障定位,將基於穩態信號的定位原理轉移到基於故障特徵量暫態信號的定位原理。
  20. The new criterion obtain the singular signal fully and exactly as the jumping - off place, take advantage of wavelet disposing the transient singular or faint signal, scarcity of the analyzing principle based on steady signal is fetched up and enhance the anti - disturb capability, so that it has higher reliability and accuracy

    新判據以更充分更準確的提取信號奇異性信息為出發點,利用小波對暫態突變信號或微弱變化信號處理上的優勢,彌補了以往傳統的基於穩態信號分析原理不足,增強了抗干擾能力,具有更高的可靠性和準確性。
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