【實用書籍app】Shake!|最夯免費app-綠色工廠好玩App

Shake! is an exploration of measuring, filtering and detecting the accelerometer data from an iOS device. Shake! is the part of an "ad-hoc" learning series that explores various aspects of iOS programming.The program features:• Each accelerometer channel gets its own graph that shows raw, filtered, RMS and level detected traces.• Settings can be applied independently to each channel (or to all channels simultaneously.)• Signal sources include the Acclerometer data, or calculated Sinusoid, Step and Impulse sources.• Filter types include a selection Low, High and Bandpass filters of 1st, 2nd and 3rd order, in several different frequency ranges.• The RMS value of the filtered data is calculated over a user defined moving window.