GPS、指南针航向和加速计之间,哪个消耗的电池电量最多?
有谁知道 GPS、罗盘航向和加速计哪个消耗最多的电池(或者它们相对比较如何?)
我有点天真地假设它是:
加速计 < >罗盘航向 < GPS
,但我找不到任何东西来证实或反驳我的直觉。
澄清:我很好奇它在 iPhone 上的具体表现如何。
Does anyone know between GPS, compass heading and accelerometer which uses the most amount of battery (or how they compare relatively?)
I'm assuming somewhat naively it's:
accelerometer < compass heading < GPS
but I can't find anything to substantiate or refute my intuitions.
Clarification: I'm curious as to how it performs specifically on an iPhone.
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嗯,这确实取决于设备。带有有源天线的 GPS 消耗的电量最多。加速度计和指南针在运行时通常仅消耗毫安电流。一般来说,您的订单是正确的。
具体到 iPhone
Well it really depends on the device. A GPS with an active antenna will consume the most power. Accelerometers and compass usually only draw milliamps when running. Generally your order is correct.
Specifically to the iPhone
您的订单是正确的。
Your order is correct.