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为满足交通运输中振动与冲击的在线实时监测需要，采用单向压阻式传感器以圆柱面定位、空间交叉组合方法，制成新型三维加速度传感器，标定结果各项技术指标达到设计要求，已应用在ＩＶＡ－１型智能测振仪上。
In order to meet the requirement of online real-time monitoring of vibration and shock in transportation, a new type of three-dimensional acceleration sensor is fabricated by using the unidirectional piezoresistive sensor with cylindrical surface positioning and space cross combination method. All the technical indexes of the calibration result meet the design requirements and have been applied On the IVA-1 smart vibrometer.