PEC EPE Mechatronics
PEC EPE — Mechatronics Engineering (Pakistan Engineering Council)
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Exam overviewPractice session
On an embedded microcontroller lacking a hardware Floating Point Unit (FPU), digital filtering algorithms frequently use signed Q15 fixed-point arithmetic. When multiplying two 16-bit signed Q15 numbers, the intermediate 32-bit integer result is in Q30 format. How must this 32-bit product be adjusted to store it back as a standardized Q15 number?
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