FFT Frequency Resolution: Why a Longer Recording Beats a Faster One
A field engineer suspects a pump is running with a slight misalignment. The fault would show up as a...
Aug 16, 20265 min read0 reactions0 comments
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May 18, 2026
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May 25, 2026FFT vs Wavelet Transform: Which to Learn First for PHM
FFT Fails Where Wavelets Shine — But Not Always Here's a result that surprised me: on...
May 25, 20261 min read0 reactions0 comments
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Apr 27, 2026Digital Twin Hype vs Reality: Why Simple FFT Often Wins
The $50K Digital Twin That a $200 DAQ Card Outperformed A manufacturing plant spent six...
Apr 27, 20261 min read0 reactions0 comments
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May 3, 2026Real-Time FFT Pipeline: Vibration to Alert in 100 Lines
You Don't Need a 50-Page Framework to Catch Bearing Faults Most FFT tutorials stop at...
May 3, 20261 min read0 reactions0 comments
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Apr 27, 2026FFT Vibration Analysis on Real Bearing Data: Python Setup
Why Most Vibration Analysis Tutorials Skip the Hard Part Most FFT tutorials show you...
Apr 27, 20261 min read0 reactions0 comments
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Apr 19, 2026FFT vs Envelope Analysis: Bearing Fault Trade-offs
FFT Missed a 0.3mm Inner Race Crack for Two Weeks Running FFT on 10kHz vibration data from...
Apr 19, 20261 min read0 reactions0 comments
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Apr 16, 2026Predictive Maintenance Python Tutorial: FFT Pipeline
The 128-Point FFT Trap That Kills Bearing Detection Most first FFT pipelines fail because...
Apr 16, 20261 min read0 reactions0 comments
Why Clothing Matching Is More Complicated Than Asking ChatGPT
Brief Summary At first glance, AI-based clothing matching looks deceptively simple: upload...
May 18, 20269 min read0 reactions1 comments
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Apr 17, 2026FFT vs CWT vs Wavelet Packet: CWRU Bearing Speed Test
The 15-Second Bottleneck That Killed My Real-Time PHM Pipeline I built a bearing fault...
Apr 17, 20261 min read0 reactions0 comments
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May 8, 2026One 200-Year-Old Math Trick Powers Almost Every Pixel and Sound You Touch
In December 1807, a French mathematician named Joseph Fourier presented a memoir to the Paris Academy of Sciences claiming that any reasonable signal — any sound, any temperature distribution, any…
May 8, 20265 min read0 reactions0 comments
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Apr 1, 2026FFT vs Welch: Legacy Vibration Code Migration Pitfalls
The 10Hz Bearing That Broke Everything You inherit a vibration monitoring script written...
Apr 1, 20261 min read0 reactions0 comments
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Feb 26, 2026How Rebuilding My Old FFT Spectrum Analyzer Opened a New Railway Safety Perspective - magic of julia
Back in 2012, I wrote a small experimental piece on building a simple FFT-based spectrum...
Feb 26, 20264 min read0 reactions0 comments