LIS2DH12需要一个不同的加速度计吗？

嘿，
在我的应用中，有很多我不感兴趣的高频振动。目标是沿单轴检测持续200ms或更长的加速度，但通常在噪声幅度的1/2到1/10之间（振动读数）。最后，出于性能原因，从加速度计读取所有数据是不可行的，只有当事件发生时才会触发中断。
我目前正在尝试：流式传输到FIFO模式，在6D和AOI模式下调整阈值和持续时间。 6D无法触发，因为振动发送报告的加速度在正值和负值之间来回反弹。由于振动幅度很大，AOI会不断触发。在寻找不同的产品之前还有什么值得尝试的吗？看起来可能需要具有内置低通滤波器的产品。
谢谢！



以下为原文




Hey,
   In my application there is a lot of high frequency vibration that I am not interested in. The goal is to detect acceleration along a single axis that lasts 200ms or longer, but is generally between 1/2 and 1/10 the magnitude of the noise (vibration readings). Finally, for performance reasons it is not feasible to read all the data from the accelerometer, an interrupt should only trigger when it is likely an event has occurred.
   What I am trying currently: Stream to FIFO mode, adjusting threshold and duration in both 6D and AOI modes. 6D fails to trigger because vibrations send the reported acceleration bouncing back and forth between positive and negative values. AOI will trigger constantly because of the large magnitude of the vibrations. Is there anything else worth trying before looking for a different product? It seems like a product with a built in low-pass filter could be required.
Thanks!