android 加速度计精度极差
编写了一个简单的程序来打印加速度计输出。
mSensorManager = (SensorManager)getSystemService(SENSOR_SERVICE);
mSensorManager.registerListener(this,mSensorManager.getDefaultSensor(Sensor.TYPE_ACCELEROMETER), SensorManager.SENSOR_DELAY_FASTEST);
事实证明：
加速度计输出始终设置为“最低”，具体取决于：
public void onAccuracyChanged(传感器传感器, int 精度) { 如果（收集数据）{ accelPrecision.setText("加速度计精度：" + 精度); } }实际加速度计读数非常不准确 - 即使将其放在桌子上，也会有约 2%-5% 的波动
据我所知，在 Nexus S、Nexus One 和 G1 上也存在同样的问题 知道
如何使其模式准确吗/ 什么设置了
Wrote a simple program that prints out accelerometer output.
mSensorManager = (SensorManager)getSystemService(SENSOR_SERVICE);
mSensorManager.registerListener(this,mSensorManager.getDefaultSensor(Sensor.TYPE_ACCELEROMETER), SensorManager.SENSOR_DELAY_FASTEST);
It turns out that:
The accelerometer output is always set to "lowest" as determined by:
public void onAccuracyChanged(Sensor sensor, int accuracy) { if (collectingData){ accelPrecision.setText("accelerometer accuracy: " + accuracy); } }The actual accelerometer readings are very inaccurate - about 2%-5% fluctuations even when it's resting on the table
as far as I can tell it's the same problem on Nexus S, Nexus One and G1
Any idea how it could be made mode accurate / what sets a
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使用过滤器。您正在查看原始数据，因此它当然会波动。类似于加权平均值或移动平均线就足够了。
Use a filter. You are looking at raw data so of course its going to fluctuate. Something like a weighted average or a moving average will suffice.