HardwareThe inertial sensors (gyroscope and accelerometers) allow for measurement of motion in 6 Degrees of freedom upto a sampling rate of 100Hz. The assisted GPS allows for tracking of the position of the iphone along with the orientation given by the compass at 1 second intervals. The GPS coordinates are given in latitude and longitude.The WiFi, 3G, and bluetooth allow for data transfer to a remote repository. The GPS and WiFi also assist in obtaining a more accurate location. The ARM processor of the iPhone is a vector processor allowing for multiple calculations on each element of a vector at once. It is this the property that gives the processor mathematics and DSP capability. Software- Rich set of APIs
- core motion framework for accelerometer and gyroscopes
- core location framework for GPS and compass
- accelerate framework to do vector processing using LinPack and Blaspack which are well known linear algebra packages for matrix manipulations and vector calculations. It also includes an FFT routine.

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