Tonal Detection on SignalForge Engineering Noteshttps://blog.signal-forge.app/tags/tonal-detection/Recent content in Tonal Detection on SignalForge Engineering NotesHugoen-usMon, 23 Feb 2026 00:00:00 +0000How Presence Metrics Prevent False Tonal Detection in Noisy Spectral Analysishttps://blog.signal-forge.app/posts/how-presence-metrics-prevent-false-tonal-detection/Mon, 23 Feb 2026 00:00:00 +0000https://blog.signal-forge.app/posts/how-presence-metrics-prevent-false-tonal-detection/An engineering explanation of how temporal presence metrics eliminate false tonal detection caused by PSD noise ripple and estimator variance in low-SNR DSP pipelines.How 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.