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Dynamic Multi-Channel PCA Input Mode: Test Signals (Multipath) Upload Multiple CSV Files Synthetic Paths: 3 + Add CSV or Audio PCA Filter Rank: 1 Run Analysis Understanding Test Signals & Synthetic Benchmarking In signal processing, Test Signals are mathematically defined waveforms used to characterize, calibrate, and validate the performance of an algorithm (like PCA) before applying it to real-world data. 1. Periodic (Deterministic) Sine waves represent ideal physical phenomena. They allow students to see if an algorithm preserves frequency and phase accuracy. 2....