This article introduced methods for vibration detection of off-shore fixed jacket platform of Chendao oilfields. The treatment procedure and method of vibration has been discussed emphatically.
介绍了埕岛油田海上固定导管架式平台的振动安全检测方法，重点对振动隐患治理的程序和方法进行了探讨。
A signal detection method based on the time-windowing was proposed for improving the signal detection performance of flank sonar mainly affected by the vibration noise.
针对振动噪声影响下的舷侧阵声纳的信号检测问题，提出了一种基于时域加窗的信号检测方法。
The singal transient feature detection represent method, and a transient energy evaluation method are used based on the reassigned scalogram for the vibration non-stationary feature representation.
提出基于小波尺度图重分配的信号瞬态特征检测方法和瞬时能量估计方法，并应用于轴承在多种轻微故障状况下的振动非平稳特征的检测与表示。
The structural damage detection method based on structural vibration response and systemic dynamic parameters is a difficult and growing interest problem in nondestructive evaluation (NDE).
利用结构的振动响应和系统动态特性参数进行结构损伤检测是目前国内外研究的热点和难点。
Compared with every fault detection methods, it confirms the vibration test method.
通过各种诊断方法的比较，确定了以振动检测作为主要手段。
The vibration testing method on the early crack flaw detection was discussed, but it couldn't give the location and size of the crack flaw.
讨论了振动筛下横梁裂纹的振动检测方法，但尚无法确定裂纹的位置和大小。
Method: to use Model HKY06A heart vibration sensor for the detection of the heart sound, and to form the heart sound envelope with two way hardware rectification and low frequency passed filter.
方法：使用HKY06 A心音传感器提取心音信号，使用双向检波及低通滤波实现心音包络的提取。
Method: to use Model HKY06A heart vibration sensor for the detection of the heart sound, and to form the heart sound envelope with two way hardware rectification and low frequency passed filter.
方法：使用HKY06 A心音传感器提取心音信号，使用双向检波及低通滤波实现心音包络的提取。
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