vibration channel 中文意思是什麼
vibration channel
解釋
振動波道-
According to sedimentary characteristics of the carboniferous taiyuan formation in feicheng coal field, including lithology, size distribution, sedimenta ry structure, geochemistry and paleontology etc., the carboniferous paleoenvironme nt of this area is divided into carbonate open platform and tidal flat environme nt. it is recognized that the taiyuan formation is formed in the epicontinental c oast which is dominated by the tidal. the peat flat is the important paleoenviron ment for coal accumulation. the tidal channel destroys the coal bed. the pulsative vibration of the crust is the major factor which controls the evolution of the sedimentary environment and the coal accumulation
根據肥城煤田石炭系太原組的巖性、粒度分佈、沉積構造、地球化學及古生物等沉積特徵，將該區晚石炭世古地理劃分為碳酸鹽開闊臺地和潮坪環境，認為太原組形成於潮汐作用為主的陸表海海岸，泥炭坪是成煤的重要古地理環境，潮渠對煤層有一定的破壞作用，地殼的脈動性振蕩作用是控制沉積環境演化和聚煤作用的主要因素。 -
Abstract : according to sedimentary characteristics of the carboniferous taiyuan formation in feicheng coal field, including lithology, size distribution, sedimenta ry structure, geochemistry and paleontology etc., the carboniferous paleoenvironme nt of this area is divided into carbonate open platform and tidal flat environme nt. it is recognized that the taiyuan formation is formed in the epicontinental c oast which is dominated by the tidal. the peat flat is the important paleoenviron ment for coal accumulation. the tidal channel destroys the coal bed. the pulsative vibration of the crust is the major factor which controls the evolution of the sedimentary environment and the coal accumulation
文摘:根據肥城煤田石炭系太原組的巖性、粒度分佈、沉積構造、地球化學及古生物等沉積特徵，將該區晚石炭世古地理劃分為碳酸鹽開闊臺地和潮坪環境，認為太原組形成於潮汐作用為主的陸表海海岸，泥炭坪是成煤的重要古地理環境，潮渠對煤層有一定的破壞作用，地殼的脈動性振蕩作用是控制沉積環境演化和聚煤作用的主要因素。 -
The development of single chips and analyzers at home and that of overseas compared, a kind of pocketable dual - channel and multi - function signal analyzer, based on dsp, are researched with the functions of dynamic analyzer, data logging acquisitor, start - up / coast - down analyzer and dynamic balancer, etc. and the functions data acquisition, storage, display and analysis of vibration signal are validated in practice, high - speed float point data calculation ability, large memory space and simple operation are the characteristics
高性能單片機尤其是dsp功能晶元的採用及用戶技術要求的不斷提高，使得信號分析儀的功能越來越完善，在比較了國內外單片機和信號分析儀的發展現狀后，開發研製了一種基於浮點dsp晶元tms320c32的便攜式雙通道多功能信號分析儀，兼有動態信號分析儀、巡檢數采器、起停車分析儀、動平衡儀等多種儀器的功能。 -
The thesis devote to desams ( double - channel electro - hydraulic servo adaptive motor simulator - rig ) condition monitoring and accessing in theory and application. based on short signal analysis theory, the thesis explores the representative vibration faults of complex and non - linear equipment by both theoretical and experimental methods systematically
本文基於簡訊號分析技術，針對電液伺服道路模擬試驗臺運行狀態監測和狀態評價，對簡訊號的最大熵譜分析技術在自復雜非線性系統的實時在線故障診斷領域的應用進行了系統的理論和實驗研究。 -
Based on the hydrodynamic, by using momentum theory to the liquid in the flow channel, the computational formula of the air exciting - vibration force is acquired. by using four - step runge - kutta method, the periodic response results of the elastic rotor system with one single - disc are gained. then the dynamic characteristics of the rotor system at the certain rotate speed and the certain physic parameter of system are analyzed by using the phase spaces and poincare maps of this system
基於流體動力學，通過對葉片流道內的流體模型應用動量定理，得到此汽流激振力模型，並採用四階龍格庫塔法，得出了單盤彈性轉子系統的周期響應規律，然後根據系統的相軌跡及poincare映射圖，分析了系統在特定轉速及特定的轉子系統參數下的運動特徵。 -
For the problem in controlling active suspension, the lms control method is studied deeply. the results show there are the coupling channel and error channel in control system of vibration. by decoupling filter and error compensation filter designed, the effects of the two key problems are minimized
在充分分析控制系統中禍合通道及誤差通道的基礎上，通過試驗建立了去禍濾波器和延遲補償濾波器，消除了lms自適應控制器輸入信號中振動禍合通道的影響以及控制系統中誤差延遲通道的影響。 -
Recently, it is due to the limitation of design on variable air volume air conditioner, the absence of effective vibration isolation system on the fixing of vantilation equipment and the maladjustment of air volume in the air channel, that the noise and vibration is in excess of the criterion, and much more economice dissension is solicited
摘要近年來，由於變風量空調器設計缺陷，安裝時沒有採用有效的減振措施引起機殼振動或管道風量調節不當，導致噪聲超標，引發了許多經濟糾紛。 -
Mechanical vibrations and shocks. vibration measuring channel including a velocity pick - up. characteristics
機械振動和沖擊.帶速度傳感器的振動測量通道.特性 -
When these faults occur they usually produce nonstationary vibration signals, by using wavelet packets transform on these signals, the fractal dimension of each frequency channel is extracted and the box dimension is used to depict the failure characteristics of vibration signals, and then the failure modes can be classified by radial basis function neural network
以小波包分形技術作為訊號的故障特徵識別工具，將訊號分解成各自獨立的頻帶，然後計算每個頻帶訊號的盒維數，以盒維數量化的結果來描述系統之狀況。 -
( l ) in order to conquer the complexity of controller, the direct adaptive neural network control is induced into active vibration control system and the digital simulation is made on the two - stage isolation mounting. the error channel is replaced with sgn function in this method. the results indicate the theoretical feasibility of the method
（ 1 ）將直接自適應神經網路控制方法引入雙層隔振振動主動控制系統，該方法將誤差通道納入神經網路用sgn函數替代，不需要預先或在線辨識系統的數學模型，從而降低了控制系統的設計復雜性，在雙層隔振臺架上進行了數字模擬研究，結果表明了該方法的理論可行性。 -
Thirdly, the principle in realization of d / a using on - chip pwm channel in the tms320f2812 - based system is analyzed. some methods of spwm, specially, nonsymmetry regular sampling are studied. avc system based on pwm technology is realized. finally, active vibration control experiment is performed about the first vibration mode of cantilever beam
三、研究了利用pwm通道實現da功能的工作原理，選用精度相對較高的不對稱規則采樣演算法，利用dec2812設計並實現了基於脈寬調制技術的數模轉換系統，完成了數據採集， ad轉換， pwm波輸出的全過程，並對轉換結果進行了誤差分析。 -
The nonstationary vibration sources that are mutually independent can be effectively identified by using the nonstationary blind source separation method from the multi - channel fault vibration signals
對于多通道的設備故障振動信號，應用非平穩信號的盲源分離演算法，可以有效地提取各自獨立的非平穩振動源，從而可以準確地進行機械故障診斷。 -
But in a long period of time, condition monitoring of the machinery and fault diagnosis are based on the analysis of the signal coming from single channel the vibration of the rotor is a dimensional conception
但是長期以來，機械狀態監測和故障診斷大都以單通道信號分析為基礎。轉子的振動形式是個空間的概念，單通道信號只是轉子在傳感器方向上振動的反映，所能提供的轉子振動信息並不十分準確、完整。
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