Bluestein’s Algorithm or Fourier Transform as Linear Chirp FIR Filter. C Implementation Using the Octave GNU Tool 1. Abbreviation DSP – Digital Signal Processing DFT – Discrete Fourier Transform IDFT – Inverse Discrete Fourier Transform FFT – Fast Fourier Transform… Read More
Cyclic Redundancy Check (CRC): bitwise, lookup table, fast crc without lookup table, reversing crc. C Implementation Using the Octave GNU Tool 1. Abbreviation DSP – Digital Signal ProcessingCRC – Cyclic Redundancy Check / CodeXOR – Exclusive OR with the truth… Read More
Functions Implementation: Square Root, Logarithm, Sine, Cosine, Arctangent. C Code and Octave Script 1. Abbreviation DSP – Digital Signal ProcessingRAM – Random Access MemoryROM – Read Only MemoryDFT – Discrete Fourier TransformFFT – Fast Fourier Transform 2. Introduction To… Read More
Simple Embedded Operating System and C Implementation 1. Abbreviation DSP – Digital Signal Processing OS – Operating System NPS – Non-Preemptive (Cooperative) Scheduling PS – Preemptive Scheduling RAM – Random Access Memory ROM – Read Only Memory CRC – Cyclic… Read More
“Non-Causal“ Digital Chebyshev Filter with Linear Phase Response. C Implementation and Octave Script 1. Abbreviation DSP – Digital Signal ProcessingIIR – Infinite Impulse ResponseFIR – Finite Impulse ResponseTR – Time ReverseMAC – Multiplications and Additions per Input SampleSOS – Second… Read More
Goertzel Algorithm and C Implementation Using the Octave GNU Tool 1. Abbreviation DSP – Digital Signal ProcessingDFT – Discrete Fourier TransformIDFT – Inverse Discrete Fourier TransformFFT – Fast Fourier TransformFIR – Finite Impulse ResponseIIR – Infinite Impulse Responsea + jb… Read More
Fast Fourier Transform (FFT) and C Implementation Using the Octave GNU Tool 1. Abbreviation DSP – Digital Signal ProcessingDFT – Discrete Fourier TransformIDFT – Inverse Discrete Fourier TransformFFT – Fast Fourier TransformFIR – Finite Impulse ResponseIIR – Infinite Impulse Response… Read More
Digital Slew Rate Limiter Filter and C Implementation 1. Abbreviation SLRF – Slew Rate Limiter Filter 2. Slew Rate Limiter Filter (SRLF) In most applications, you can define the maximum possible (acceptable) the speed of the measured signal. This… Read More
Matched Filter Using Octave GNU Tool 1. Abbreviation SNR – signal to noise ratio (S/N = Signal/Noise)δ(t) – Dirac delta function: t=0 δ(0)= +∞; t≠0 δ(t)=0PSK – Phase Shift Keying digital modulationFSK – Frequency Shift Keying digital modulationMLS – maximum… Read More
Median Filter and C Implementation 1. Classic Median Filter The Median filter is a non-linear digital filter that serves to suppress pulsed (non-stationary random process) interference by discarding all suspicious measurements. There are several input data and the filter calculates… Read More