Crate spectrum_analyzer[−][src]
Simple no_std spectrum analysis library that follows the KISS (keep it simple, stupid)
principle. The main goal of this crate is to be educational to the world and myself. This
is not a bullet-proof or ideal solution! Feel free to contribute and point out possible
errors/bugs/wrong assumptions or improvements!
Functions
| hamming_window | Applies a Hamming window (https://en.wikipedia.org/wiki/Window_function#Hann_and_Hamming_windows) to an array of samples. |
| hann_window | Applies a Hann window (https://en.wikipedia.org/wiki/Window_function#Hann_and_Hamming_windows) to an array of samples. |
| samples_fft_to_spectrum | Takes an array of samples (length must be a power of 2),
e.g. 2048, applies an FFT (using library |
Type Definitions
| FrequencySpectrumMap | A map from frequency (in Hertz) to the magnitude. The magnitude is dependent on whether you scaled the values, e.g to logarithmic scale. |