Download Filter Design Toolbox User`s Guide
Transcript
3 Quantization and Quantized Filtering Binary Data Types . . . . . . . . . . Digital Filters . . . . . . . . . . . . . Quantized Filter Types . . . . . . . . . Quantized Filter Structures . . . . . . . Data Format for Quantized Filters . . . . Quantized FFTs and Quantized Inverse FFTs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Introductory Quantized Filter Example . . Constructing an Eight-Bit Quantized Filter . . . Analyzing Poles and Zeros with zplane . . . . . Analyzing the Impulse Response with impz . . . Analyzing the Frequency Response with freqz . . Noise Loading Frequency Response Analysis: nlm Analyzing Limit Cycles with limitcycle . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-7 . 3-8 . 3-10 . 3-10 . 3-11 . 3-12 . 3-13 Fixed-Point Arithmetic . . Radix Point Interpretation . . Dynamic Range and Precision Overflows and Scaling . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Floating-Point Arithmetic Scientific Notation . . . . The IEEE Format . . . . The Exponent . . . . . . The Fraction . . . . . . The Sign Bit . . . . . . . Single-Precision Format . . Double-Precision Format . Custom Floating-point . . Dynamic Range . . . . . Exceptional Arithmetic . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-18 . 3-18 . 3-19 . 3-19 . 3-19 . 3-19 . 3-20 . 3-20 . 3-21 . 3-21 . 3-23 . . . . . . . . . . . . . . . . . 3-3 3-3 3-4 3-4 3-5 3-6 3-15 3-16 3-16 3-17