Examples

Eleven runnable examples demonstrating FFT, convolution, sine/cosine transforms, power spectral density, 2-D FFT, signal filtering, inverse Laplace transforms, complex FFT, quarter-wave DCT/DST compression, 3-D FFT, and complex convolution.

Run from the package root:

python examples/example_imsl_fft.py
python examples/example_imsl_convolution.py
python examples/example_imsl_sine_cosine.py
python examples/example_imsl_power_spectrum.py
python examples/example_imsl_2d_fft.py
python examples/example_imsl_filtering.py
python examples/example_imsl_laplace.py
python examples/example_imsl_complex_fft.py
python examples/example_imsl_quarter_transforms.py
python examples/example_imsl_3d_fft.py
python examples/example_imsl_complex_conv.py

• FFT Example — Multi-Tone Sinusoidal Signal
• Convolution Example — Pulse Smoothing and Cross-Correlation
• Sine / Cosine Transform Example — DST and DCT Roundtrip Fidelity
• Power Spectral Density Example — Multi-Tone Signal
• 2-D Fourier Transform Example — Gaussian Blob Image
• Signal Filtering Example — Low-Pass Filter via FFT
• Inverse Laplace Transform Example — Three Classical Pairs
• Complex FFT Example — Complex Exponential Signal Analysis
• Quarter-Wave Transforms Example — DCT/DST Signal Compression
• 3-D FFT Example — Volumetric Frequency Analysis and 2-D Inverse FFT
• Complex Convolution/Correlation Example — Radar Matched Filter