Time-Frequency Analysis on SignalForge Engineering Noteshttps://blog.signal-forge.app/tags/time-frequency-analysis/Recent content in Time-Frequency Analysis on SignalForge Engineering NotesHugoen-usMon, 23 Feb 2026 00:00:00 +0000How STFT Cross-Validation Improves Low-SNR Tone Detectionhttps://blog.signal-forge.app/posts/how-stft-cross-validation-improves-low-snr-tone-detection/Mon, 23 Feb 2026 00:00:00 +0000https://blog.signal-forge.app/posts/how-stft-cross-validation-improves-low-snr-tone-detection/An engineering explanation of how STFT-based cross-validation stabilizes tonal detection in low-SNR environments, reducing false PSD peaks and enabling deterministic DSP pipelines.