signal fluctuation 中文意思是什麼

signal fluctuation 解釋
信號波動
  • 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...
  • fluctuation : n. 1. 波動,起伏,漲落;【物理學】脈動。2. 動搖不定,躊躇。3. 【生物學】彷徨變異。
  1. In this thesis, flow regime identification and malfunction diagnosis of fluidization were studied with fractal technology, the presented methods for both flow regime identification and malfunction diagnosis were proved of effectivity. main achievements are as following : 1. fractal brownian motion ( fbm ) was made from gauss noise and compared with pressure fluctuation signal of gas - solid fluidization, which demonstrated the similarity between the fbm and the signal

    在通過fbm (分數布朗運動)數據模擬證明了氣固流化床壓力波動信號與分數布朗運動是相似的基礎上,提出了用分數布朗運動來模擬氣固流化床壓力波動信號,並採用r s分析法從信號時間序列中提取出hurst指數,通過分析信號hurst指數值對流化床流型和結塊故障進行了研究。
  2. Thirdly, the correlative coefficient is computed between the pressure fluctuation signal of draft tube and the displacement signal of upper guide bearing, the thrust bearing and the head cover, with this the conclusions on the shafts response due to pressure surge in

    並與模型尾水管壓力脈動試驗結果進行對比?結合流動模擬試驗以及動力特性計算結果,全面分析?評定機組的實際運行狀況,劃定運行區域,為電站合理調度
  3. Intermittence analysis of pressure fluctuation signal in scisr

    撞擊流反應器內壓力波動信號的間歇性分析
  4. Venation wave spectrum analysis finds out shape - structure change of mid - frequency signal fluctuation

    脈絡波譜圖分析查明了中范圍(頻率)信號波動的形態結構變化。
  5. Expounds the five main aspect of risk in national commercial bank, i. e. signal liability structure, bad loan quality, low capital efficiency, imperfect restriction on interior power, thin consciousness on risk avoidance ; summarizes five characters of the bank risks, including risk concentration, moral risk, risks caused by system structure, inequi ty between bank risks and revenues, aggrandizement trend of bank risks ; analysis eight reasons for bank risks, including proprietary ownership voidance, macroeconomic fluctuation, ineffective capita ] buffer mechanism, enterprise reasons. no synchronous fiscal investment and financial reform, incompetence law and regulation enforcement. chapter4 argues the opportunities and challenges of the financial globalization and requirement for bank risk managem ent. chapters suggests the methods for the risk management of national commercial bank

    緊接著在第三章闡述了我國國有商業銀行風險的「五大表現」 ,即負債結構單一、信貸資產質量差、資本充足率低、內部控制機制薄弱、防範風險的意識淡薄;總結了我國國有商業銀行風險的「五大特點」 ,即風險高度集中、風險人為匿藏、風險的體制性、風險與收益嚴重不對稱、風險呈繼續擴大態勢;剖析了我國國有商業銀行風險形成的「八大因素」 ,即金融產權「人格」虛設、宏觀經濟波動、資本金等緩沖機制不健全、財政、投資和金融的體制改革不配套、法律和法規不健全等。
  6. The basic concepts and character values of voltage fluctuation and flicker are introduced firstly, and then the common methods of suppress the voltage fluctuation are discussed. further more, the process of extracting voltage fluctuation signal and calculating flicker values is analyzed, and the principle of detecting voltage fluctuation and flicker is detailed. by analyzing and comparing the features of the methods and devices in existence, a new digital detection method is present

    論文介紹了電壓波動和閃變的基本概念、特徵量以及抑制電壓波動與閃變的常用方法,從電壓波動信號的提取和閃變值的獲得兩方面系統地闡述了電壓波動與閃變的檢測原理,分析比較了現有測量方法和裝置的特點和優劣,在此基礎上,提出了一種新的數字式微機檢測方法。
  7. He said that the most commonly found dangerous goods inside baggage at hkia were lighters, perfume or toiletry items, aerosols or gas cylinders for medical or sporting uses, signal flares, gas torches, and household items such as adhesives, polishes, bleach and drain cleaner. these items could be a danger when transported by air due to sudden temperature and pressure fluctuation and vibration

    他表示,在香港國際機場處理的行李內,經常發現的危險品包括打火機、香水或梳妝物品、醫療或運動用的噴霧罐或氣罐、訊號彈、以氣體燃點的點火器和接合劑、擦亮劑、漂白劑和溝渠去污劑等家居用品。
  8. Cyclostationarity of vibration signal of rotating machine with random fluctuation of angularspeed

    轉速隨機波動旋轉機械振動信號的周期平穩性
  9. Influence of the sampling method of signal with uniform random fluctuation frequency on spectrum analysis

    頻率均勻隨機波動信號采樣方式對譜分析的影響
  10. ( 3 ) economic periodic fluctuation early warning signal system is built. on the basis of it, the early warning limits of all the indexes are determined

    ( 3 )建立了經濟周期波動預警信號系統,在此基礎上確定了各指標的預警界限。
  11. The theoretical analysis shows that mz - ifog can be used to detect the rotation rate of moving objects. a systematic analysis of transfer characteristics of mz - ifog is made. performance - limiting factors, including the path - length difference, the disturbance of temperature fluctuation and stress from working environment, the quality of light source, are all discussed along with methods to reduce their effect on the output signal

    本文用系統的方法分析了mz型干涉式光纖陀螺儀的光傳輸特徵,指出了其較大的非互易性因素-臂長差的存在,分析了工作環境因素(溫度,應力) 、光源質量(輸出光束中心波長、光功率波動及偏振態波動)對系統工作性能的影響,並指出了減少系統非互易因素、抑制噪聲、提高檢測穩定性的措施。
  12. Crankshaft fluctuation sensor ( ckf ) is located near the bottom of the timing cover where it generates a signal as the crankshaft timing chain sprocket rotates past it

    曲軸位置傳感器安裝在定時器殼底部附近,產生一個曲軸定時鏈輪齒通過的信號。
  13. A crankshaft fluctuation sensor ( ckf ) is located near the bottom of the timing cover where it generates a signal as the crankshaft timing chain sprocket rotates past it

    曲軸位置傳感器安裝在定時器殼底部附近,產生一個曲軸定時鏈輪齒通過的信號。
  14. This article takes hanging off and wide fluctuation of transmition velocity of adsl as example, then analysis centers on the discerte multiple tone and the principle of channel load assignation. from analysis above article points out the root of adsl being sensible of noise signal. at last, reserches effects that window function and barrier effect on frequency and adopts fft to work out the noise power of adsl

    本文以電信現在推出的adsl傳輸中鏈路經常掉線和傳輸速率經常大范圍波動為例,重點分析了adsl所使用的dmt調制方式和注水演算法分配通道載荷方式原理,由此指出adsl對噪聲信號敏感的根源,在得到問題的根源之後,分析了窗函數和柵欄效應對頻譜的影響,採用fft方法計算adsl線路的噪聲功率譜,為adsl線路測試提供了可靠的理論依據。
  15. Application of scale factor and fluctuation cubic method to signal process

    比例因子與幅值立方法在信號處理中的應用
  16. Based on iec standards, the methods of designing square demodulator, bandpass - weighted filter, and smoothing filter are presented. besides, the signal conditioning circuits and online statistical analysis methods of instantaneous flicker value are given. matlab simulink is also used to simulate the measuring process of voltage fluctuation and flcker

    基於iec標準要求,設計了實現數字式電壓閃變測量的平方解調器、帶通加權濾波器、平滑濾波器等各環節,給出了信號調理電路和瞬時閃變值在線統計分析方法,並應用matlab系統模擬工具simulink對電壓波動和閃變測量全過程進行了數字化模擬。
  17. The water turbine regulation system is a complicate auto - controlling system, it ' s small fluctuation dynamic course means : when the water turbine regulation system is interfered by tiny disturbance of load or command signal, the change of different parameters in the system is less, we can thought they are subtle change near by the discussing conditions, so we can make each tache in the system linearization, that is, describe the dynamic specialty of each tache and the whole system by means of linear differential equation

    水輪機調節系統是一個復雜的自動控制系統,其小波動過渡過程是指水輪機調節系統在受到微小的干擾(負荷或指令信號擾動)時,系統中各參數的變化都較小,可以認為是在所討論工況點附近作微小變化,則可將調節系統各環節加以線性化,用線性微分方程式來描述各環節及整個系統的動態特性。
  18. The output signal of pda is affected by the suspended particle concentration, particle size, and the type and dosage of coagulant as well. by analysing the fi curve, it is found that the characteristic parameters of fi curve closely relate to aggregates size and turbidity removal the aggregates size and turbidity removal achieve the maximum when the amplitude of fluctuation is the maximum. the mean diameter and fractal dimension increase with agitation time, and finally reach a steady - state

    通過對混凝過程的在線監測和對pda輸出信號fi曲線的數學解析表明: fi曲線綜合反映了懸濁液中膠體顆粒濃度和顆粒粒徑,混凝劑種類和投量很大程度上影響了fi曲線形狀, fi曲線的特徵值與絮凝體平均粒徑和濁度去除率之間具有良好的相關關系,在振幅最大處,濁度去除率達到最高,絮體平均粒徑最大,該條件下對應的投藥量為最佳投藥量。
  19. In view of the non stationary feature of the pressure difference fluctuation signal in the gas - liquid two phase flow, a flow pattern identification method was proposed based on the characteristic vector from the singular value of the matrix formed by the multi dimensional continuous wavelet transform values of the fluctuation signal

    摘要針對氣液兩相流壓差波動信號的非平穩特徵,提出了以多尺度連續小波變換值矩陣的奇異值為特徵矢量的流型識別方法。
  20. In this thesis, based on this kind of application, we made theoretical analysis and engineering practice on high - precision lfmcw and its signal processing millimeter wave broadband lfmcw radar has quite high theoretical range - precision and distance resolution, however, for the real radar system, the nonideal parameter of its transmitting signal, such as power fluctuation and the nonlinearity in frequency sweep, will result in the decreasing of the practical rang - precision and the distance resolution of radar

    本文基於這一應用對高精度lfmcw測距雷達及其信號處理進行了理論分析和工程實踐。毫米波寬帶lfmcw雷達具有很高的理論測距精度和距離分辨力,但對于實際的雷達系統,其發射信號的非理想參數-掃頻功率起伏和掃頻非線性,將使得雷達的實際測距精度和距離分辨力下降。
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