PWM

• Position weight matrix, a representation in motifs in biological sequences
• Pulse-width modulation, a technique for controlling the average power delivered by an electrical signal
• PWM (window manager), a Unix-based X window manager

• Panzerwurfmine, a type of German anti-tank hand grenade
• Portland International Jetport, an airport in the U.S.
• Professional Wealth Management, a financial magazine
• Permanent Way Machine, the British Rail Class 97/6 locomotives
• Polskie Wydawnictwo Muzyczne, the Polish Music Publishing House

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