Page 265 - 《振动工程学报》2026年第5期
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第 5 期                            刘恩彩,等:双稳态周期结构带隙调制                                         1469

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                                                                               
                                                                               m¨x 1 = k(x 2 − x 1 )+ f 1
                                                                               
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                                                                               
                                                                                0 = −k(x 2 − x 1 )+ f 2
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                                                                               
                                                                               m¨x 1 +kx 1 −kx 2 = f 1
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                                                                               
                                                                               
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                                                                                −kx 1 +kx 2 = f 2
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