real time spectrum analysis 中文意思是什麼

real time spectrum analysis 解釋
實時頻譜分析
  • real : adj 1 真實的，真正的 （opp sham ） 實際的，現實的 （ opp ideal） 事實上的，實質上的 （opp nominal...
  • time : n 1 時，時間，時日，歲月。2 時候，時刻；期間；時節，季節；〈常pl 〉時期，年代，時代； 〈the time ...
  • 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。
  • analysis : n. （pl. -ses ）1. 分解，分析；【數學】解析。2. 梗概，要略。3. 〈美國〉用精神分析法治療（＝ psychoanalysis）。
  1. The program includes the infrasonic signal data acquisition of three channels, 3 - d dynamic spectrum analysis, correlation analysis of 3 channel infrasonic signals, the calculation of wave direction, the wave speed, the spectrum analysis at any length and a real - time infrasonic gravity wave pressure - time ( p - t ) curve

    本程序支持3路次聲波傳感器信號的數據採集、動態譜分析及次聲信號的相關分析、能計算波源的方位角、波速以及任意時間段的譜分析，並實時給出次聲重力波的壓力?時間曲線（即p ? t曲線） 。
  2. The paper, for the harmonics detection method used in power system, presents an sampling method based on frequency multiplication phase - locked. through phase - locked loop to track the power wave, which not only reduces the affect of spectrum leakage to the harmonics analysis, but also realizes quick. accurate and, real - time measurement

    本論文主要針對電力系統中採用的諧波測量方法而提出的一種基於鎖相倍頻採集方法，通過鎖相環對電力波形進行實時跟蹤，既解決了頻譜泄漏對諧波測量精度的影響，又實現了快速的，準確的，實時性的測量。
  3. In this paper, a new way of real - time damage detection method was proposed according to the high speed working situation of the composite flywheels for energy storage, and a suit of equipment was developed to test the composite samples with piezoelectric disc built - in, the response waves before and after the damage occurred were recorded to the computer. on the base of traditional spectrum analysis of signal recorded, the wavelet analysis was introduced and the program in matlab language was made. with the wavelet packet decomposition of the signal, the relations between the change of response signals and damage characters were gotten, a database for damage recognition was created

    本文結合儲能復合材料飛輪高速旋轉的工作特點，提出了一種在線檢測飛輪轉子損傷的方法，自主設計一套實驗裝置對模擬各種損傷的的試樣進行了測試，試樣損傷前後的響應信號被採集后存入計算機中；在對採集信號進行傳統的頻譜分析的基礎上，引入了先進的小波分析理論，利用matlab語言編寫程序，對信號進行小波分解，得到了信號變化和損傷特徵之間的關系，建立了一個識別飛輪損傷的數據庫；小波包分解得到信號對比圖和特徵向量，可以有效判定材料內部有無損傷和損傷的程度，結合頻譜分析等，可一定程度上判定損傷的類型，為儲能飛輪的安全運轉和智能化運作提供了決策依據。
  4. The software could realize the wavemaker system control, data acpuisition, data analysis and sensor calibration, the applacation of multi - thread technology, precise timing technology and memory management technology in the wavemaker system is described respectively. furthermore, the software realizes real - time display of sampling process with directx technology and adopts object - oriented thinking to handle interfacing card. estimateing spectrum with ar model and calibrating the sensor with least square algorithm are also discussed in detail

    控制軟體利用多線程技術進行多任務控制；採用高精度時間函數實現精確定時；利用虛擬內存與內存映射文件進行內存管理；採用directx技術實現采樣過程的實時顯示；利用最小二乘原理對傳感器進行標定；採用面向對象思想實現對控制採集卡的操作；利用ar參數模型法進行譜估計。
  5. Trough comparing the analysis results of two kinds of calculation model, drawing the following conclusion : ( 1 ) this structure - design satisfies the standard ; ( 2 ) in analyzing the complicated high - rise building with transfer - floor, it is very necessary to adopt at least two three - dimension - space analysis procedures with different mechanic model and use the response - spectrum analysis and time - history analysis to analyze the structure earthquake response ; ( 3 ) the calculation model with elastic slab is better than the other with being infinitely rigid in the internal slab and zero in the external slab, which reflects the real load - function situation of the structure

    通過比較兩種分析軟體的計算結果，得出以下結論： （ 1 ）本結構設計滿足規范要求。 （ 2 ）比較satwe和sap2000分析結果可知，對于復雜的帶轉換層的超高層建築結構應採用至少兩個不同力學模型的三維空間分析軟體進行整體計算以及採用振型分解反應譜法和時程分析法進行地震反應分析是必要的。 （ 3 ）在sap2000分析中，將樓板模擬成彈性板，與satwe分析中的樓板平面內無限剛平面外剛度為零的模擬方式相比，這種模擬方式能更真實的反應結構的實際受力情況。
  6. Using this system the faults of engine rotor will be finded out by surveillance vibration wave in time domain and power spectrum real - timing or analysis the fringe band of tooth - frequency of planetary - reducer

    在wj6發動機生產試車臺上，實現了通過實時給出機匣振動時域、頻譜波形，分析及辨識發動機主轉子系統故障。
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