| 人工模拟爆破震动信号及其频谱特性检验 |
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| 引用本文： | 娄建武,龙源,徐全军,沈蔚.人工模拟爆破震动信号及其频谱特性检验[J].工程爆破,2001,7(1):7-11. |
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| 作者姓名： | 娄建武 龙源 徐全军 沈蔚 |
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| 作者单位： | 中国人民解放军理工大学工程兵工程学院, |
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| 基金项目： | 国家自然科学基金资助项目! (19872 0 75 ) |
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| 摘 要： | 对人工模拟爆破震动信号的合成进行了研究 ,并采用了功率谱和反应谱分析方法对合成信号的模拟程度进行相关性检验。在合成模拟信号时 ,首先采用某一已知爆破振动加速度信号的反应谱来初步计算出将要模拟的爆破震动信号的功率谱并将其作为目标谱 ,然后在所需研究的谱率范围内产生一定数量的均匀分布随机数来作为模拟爆破震动信号的频率。在假设爆破震动信号由不同频率的谐波函数组成的基础上 ,通过将不同频率的谐波函数叠加来初步合成模拟爆破震动波 ,同时用振幅窗函数对它进行振幅校正 ,然后对合成信号与原信号进行功率谱值与反应谱值的相关性检验。编程计算证明 ,由本文提出的合成信号方法及检验方式来模拟爆破震动信号是可行的。
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| 关 键 词： | 爆破震动 模拟信号 反应谱 相关性检验 |
| 文章编号： | 1006-7051(2001)01-0007-05 |
SIMULATION OF BLASTING VIBRATION S IGNAL AND VERIFICATION OF ITS FREQ UENCY SPECTRUM |
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| LOU Jian-wu,LONG Yuan,XU Quan-jun,SHEN Wei.SIMULATION OF BLASTING VIBRATION S IGNAL AND VERIFICATION OF ITS FREQ UENCY SPECTRUM[J].Engineering Blasting,2001,7(1):7-11. |
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| Authors: | LOU Jian-wu LONG Yuan XU Quan-jun SHEN Wei |
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| Abstract: | In this study,an idea on simulation of blasting vibration signal is proposed The analysis on response spectrum and power spectrum is used for correlative test of the analogous degree of artificial signal In order to optimize the program and improve the correlative degree,the frequencies of artificial signal are produced evenly in the designed frequency domain,and the power spectrum of original signal is taken as aim spectrum As both power spectrum and response spectrum are important character of any signal,?the proposed correlative test is a good way to si mulate blasting vibration signals |
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| Keywords: | Blasting vibration Artificial signal Response spectrum Correlative test |
| 本文献已被 CNKI 维普 万方数据 等数据库收录！ |
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