DSP & Signal Processing
Signals/systems theory, digital filter design, spectral analysis, adaptive DSP, FPGA implementation, and ML for signals.
280 topics · 4 with articles
Intern Engineer· 1 of 40
- Aliasing Effect and Anti-Aliasing Filter NeedArticle coming
- Analytic Signal and Hilbert TransformArticle coming
- Autocorrelation and Power Spectral DensityArticle coming
- BIBO Stability from Pole LocationsArticle coming
- Continuous vs. Discrete Time SignalsArticle coming
- Correlation Receiver for Signal DetectionArticle coming
- Cross-Correlation and Cross-PSDArticle coming
- DCT Properties and Applications (JPEG, MP3)Article coming
- Discrete Cosine Transform (DCT) DefinitionArticle coming
- Discrete-Time Convolution and CorrelationArticle coming
- Energy and Power SignalsArticle coming
- Envelope Detection via Hilbert TransformArticle coming
- Fourier Series: Trigonometric and ExponentialArticle coming
- Fourier Transform: Definition and PropertiesRead
- Frequency Response H(ejw) of DT SystemArticle coming
- Group Delay and Phase DelayArticle coming
- Ideal Sampling and ReconstructionArticle coming
- Impulse Response and Step ResponseArticle coming
- Instantaneous Frequency EstimationArticle coming
- Inverse Fourier Transform and SynthesisArticle coming
- Inverse Z-Transform via Partial FractionArticle coming
- Laplace Transform and Transfer Function H(s)Article coming
- Linear Convolution vs. Circular ConvolutionArticle coming
- Magnitude and Phase Response PlottingArticle coming
- Matched Filter Theory and DerivationArticle coming
- Modulation: AM, FM, PM in DSPArticle coming
- Neyman-Pearson Lemma and LRTArticle coming
- Number Theoretic Transform (NTT)Article coming
- Optimal Bayesian Detection TheoryArticle coming
- Optimal Transport and Wasserstein Distance for DSPArticle coming
- Parseval Theorem for Energy CalculationArticle coming
- Periodic and Aperiodic SignalsArticle coming
- Phase Distortion and Linear Phase FilterArticle coming
- Practical Sample-and-Hold EffectsArticle coming
- Sampling Theorem: Nyquist Rate and ConditionArticle coming
- Signal Detection: Binary Hypothesis TestArticle coming
- Signal Energy Spectral DensityArticle coming
- System Properties: Linearity, Causality, BIBO StabilityArticle coming
- Unit Impulse, Unit Step, Ramp FunctionsArticle coming
- Z-Transform: Definition, ROC, PropertiesArticle coming
Junior Engineer· 1 of 40
- Adaptive Equalizer FIR Filter DesignArticle coming
- All-Pass Filter for Phase EqualizationArticle coming
- Bessel Filter: Maximally Flat Group DelayRead
- Bilinear Transform (BLT) and Frequency WarpingArticle coming
- Butterworth IIR: Maximally Flat MagnitudeArticle coming
- CIC (Cascaded Integrator-Comb) FilterArticle coming
- Cascade Biquad Section (SOS) ImplementationArticle coming
- Chebyshev Type I and Type II IIR DesignArticle coming
- Comb Filter and Resonator DesignArticle coming
- Constrained Least-Squares FIR DesignArticle coming
- Cosine Modulated Filter Bank (CMFB)Article coming
- Digital Differentiator DesignArticle coming
- Direct Form I and II IIR RealizationArticle coming
- Elliptic (Cauer) Filter DesignArticle coming
- Equiripple FIR with Chebyshev ApproximationArticle coming
- FIR Filter Order Estimation (Harris Rule)Article coming
- FIR Filter: Definition and PropertiesArticle coming
- FIR Linear Phase Conditions (Type I-IV)Article coming
- FIR Windowing: Rectangular WindowArticle coming
- Finite Word-Length Effects: Overflow, RoundingArticle coming
- Fixed-Point IIR Implementation ConsiderationsArticle coming
- Frequency Sampling FIR Design MethodArticle coming
- Half-Band Filter for Efficient DecimationArticle coming
- Hann, Hamming, Blackman WindowsArticle coming
- Hilbert Transformer FIR DesignArticle coming
- IIR Design via Analog Prototype MethodArticle coming
- IIR Filter Stability and Limit CyclesArticle coming
- Impulse Invariance Method for IIRArticle coming
- Kaiser Window and Beta Parameter SelectionArticle coming
- Lattice Filter StructureArticle coming
- Maximum Flat FIR (Maxflat) DesignArticle coming
- Multirate: Decimation by Integer MArticle coming
- Multirate: Interpolation by Integer LArticle coming
- Notch Filter for Power Line Noise (50/60 Hz)Article coming
- Parks-McClellan / Remez Exchange AlgorithmArticle coming
- Polyphase FIR Structure for EfficiencyArticle coming
- Quantization Effects in IIR: Coefficient SensitivityArticle coming
- Sample Rate Conversion: Fractional Rate L/MArticle coming
- Transposed Direct Form II (Numerically Stable)Article coming
- Variable-Length FIR for Run-Time TuningArticle coming
Middle Engineer· 2 of 80
- 2D FFT for Image and Radar ProcessingArticle coming
- AR Model Spectral Estimation (Yule-Walker)Article coming
- ARMA Model Spectral EstimationArticle coming
- Acoustic Echo Cancellation (AEC) with LMSRead
- Adaptive Noise Cancellation (ANC) ArchitectureArticle coming
- Bartlett Method and Periodogram AveragingArticle coming
- Bit-Reversal Permutation in FFTArticle coming
- Blind Equalization: CMA AlgorithmArticle coming
- Blind Source Separation (BSS)Article coming
- Chirp Z-Transform (CZT) for Zoom FFTArticle coming
- Cohen Class of Time-Frequency DistributionsArticle coming
- Compressed Sensing: Restricted Isometry PropertyArticle coming
- Cooley-Tukey FFT Butterfly DiagramArticle coming
- DFT Properties: Linearity, Shift, Circular ConvolutionArticle coming
- Discrete Fourier Transform (DFT): Definition and MatrixArticle coming
- Discrete Wavelet Transform (DWT): MallatArticle coming
- Double-Talk Detection in AECRead
- EM for Gaussian Mixture SeparationArticle coming
- ESPRIT DOA AlgorithmArticle coming
- Empirical Mode Decomposition (EMD)Article coming
- Expectation Maximization (EM) for DSPArticle coming
- Extended Kalman Filter (EKF) for NonlinearArticle coming
- FFT of Real-Valued Signal: Half-Spectrum TrickArticle coming
- Factor Graphs and Belief PropagationArticle coming
- FastICA AlgorithmArticle coming
- Fractional Fourier Transform (FrFT) ApplicationArticle coming
- Goertzel Algorithm for Single FrequencyArticle coming
- Hilbert-Huang Transform (HHT)Article coming
- In-Place FFT: Memory-Efficient ImplementationArticle coming
- Independent Component Analysis (ICA)Article coming
- Joint Diagonalization for BSSArticle coming
- Kalman Filter Prediction and Update StepsArticle coming
- Kalman Filter: State-Space Model and EquationsArticle coming
- L1-Norm Minimization (LASSO, Basis Pursuit)Article coming
- LMS Algorithm: Derivation and ConvergenceArticle coming
- LMS Step Size Selection and MisadjustmentArticle coming
- Leaky LMS for Drift PreventionArticle coming
- M-Estimation for Robust StatisticsArticle coming
- MUSIC Algorithm for DOA EstimationArticle coming
- Maximum Entropy Method (MEM) Spectral Est.Article coming
- Mixed-Radix FFT ImplementationArticle coming
- Multitaper PSD EstimationArticle coming
- Non-Stationary Analysis: VMDArticle coming
- Normalized LMS (NLMS) AlgorithmArticle coming
- Online Learning and Recursive EstimationArticle coming
- Optimum Linear Predictor (FIR Wiener Filter)Article coming
- Orthogonal Matching Pursuit (OMP)Article coming
- Particle Filter for Non-Gaussian NoiseArticle coming
- Power Spectral Density Non-Parametric EstimationArticle coming
- RLS Algorithm: Exponential Forgetting FactorArticle coming
- Radix-2 Decimation-in-Frequency (DIF) FFTArticle coming
- Radix-2 Decimation-in-Time (DIT) FFTArticle coming
- Radix-4 FFT for Hardware EfficiencyArticle coming
- Robust Estimation and Outlier RejectionArticle coming
- S-Transform (Stockwell Transform)Article coming
- SOBI (Second-Order Blind Identification)Article coming
- STFT Time-Frequency Resolution Trade-offArticle coming
- Short-Time Fourier Transform (STFT)Article coming
- Sparse FFT for Compressive SensingArticle coming
- Sparse Signal Recovery and Dictionary LearningArticle coming
- Spectrogram: STFT Magnitude SquaredArticle coming
- Split-Radix FFT AlgorithmArticle coming
- Statistical Signal Detection: LRTArticle coming
- Subspace Methods: MUSIC, ESPRIT, Matrix PencilArticle coming
- Synchrosqueezing Wavelet TransformArticle coming
- Tensor Decomposition for Multi-Way SignalArticle coming
- Turbo Decoding as Message PassingArticle coming
- Unscented Kalman Filter (UKF)Article coming
- Variational Autoencoder for Signal GenerationArticle coming
- Variational Inference for Bayesian DSPArticle coming
- Wavelet Packet DecompositionArticle coming
- Wavelet Transform: Continuous (CWT)Article coming
- Welch Method for Power Spectral DensityArticle coming
- Wiener Filter: MMSE EstimationArticle coming
- Wiener-Hopf Equation SolutionArticle coming
- Wigner-Ville Distribution (WVD)Article coming
- Window Selection: Resolution vs. LeakageArticle coming
- Windowed FFT and Spectral Leakage AnalysisArticle coming
- Winograd Small-N FFT AlgorithmsArticle coming
- Zero-Padding and Frequency ResolutionArticle coming
Senior Engineer· 0 of 40
- AI-DSP Co-Design MethodologyArticle coming
- ARM Cortex-M DSP Intrinsics (CMSIS-DSP)Article coming
- ARM Cortex-M55 Helium MVE for DSPArticle coming
- Analog Devices SHARC Processor ArchitectureArticle coming
- Block RAM (BRAM) for Coefficient StorageArticle coming
- CORDIC Algorithm for Trigonometric on FPGAArticle coming
- Custom DSP ASIC RTL to GDS FlowArticle coming
- DDC: Digital Down Converter on FPGAArticle coming
- DUC: Digital Up Converter on FPGAArticle coming
- Dedicated FFT Accelerator IP CoreArticle coming
- Edge DSP Inference with SNPE / OpenVINOArticle coming
- FPGA AI Inference: Vitis AI, OpenVINOArticle coming
- FPGA DSP48E2 Slice: Multiply-AccumulateArticle coming
- FPGA Floating-Point DSP (IEEE 754 Core)Article coming
- FPGA-Based Real-Time Radar DSPArticle coming
- Fixed-Point Overflow and Saturation on FPGAArticle coming
- GNU Radio: Software-Defined Radio FrameworkArticle coming
- GPU-Accelerated DSP: CUDA cuFFTArticle coming
- High-Level Synthesis (HLS) for DSPArticle coming
- LibROSA: Audio and Music AnalysisArticle coming
- MATLAB Signal Processing ToolboxArticle coming
- MFCC Extraction Optimized on DSP MCUArticle coming
- Mixed-Precision DSP on Heterogeneous SoCArticle coming
- NCO (Numerically Controlled Oscillator)Article coming
- Neuromorphic DSP Architectures (Intel Loihi)Article coming
- OpenCL for Heterogeneous DSPArticle coming
- Photonic DSP for Ultra-High-SpeedArticle coming
- Pipeline Architecture for FFT on FPGAArticle coming
- Polyphase FIR Decimator on FPGA DSP48Article coming
- PySDR for SDR and DSP PrototypingArticle coming
- Python SciPy.signal for DSP PrototypingArticle coming
- Quantum Signal Processing AlgorithmsArticle coming
- Radix-2 FFT FPGA ImplementationArticle coming
- SNPE (Qualcomm DSP) for Edge InferenceArticle coming
- Silicon Labs DSP Peripherals (LESENSE)Article coming
- Systolic Array Architecture for FIR FPGAArticle coming
- TMS320C28x Fixed-Point DSP for ControlArticle coming
- Texas Instruments C6000 DSP ArchitectureArticle coming
- Xilinx Vitis AI for FPGA InferenceArticle coming
- torchaudio: PyTorch Audio ProcessingArticle coming
Staff Engineer· 0 of 40
- 5G NR PHY DSP Chain: NR-PDSCH ProcessingArticle coming
- AAC: Filterbank, TNS, PredictionArticle coming
- Acoustic Echo Cancellation (AEC)Article coming
- Active Noise Cancellation (ANC) for HeadphonesArticle coming
- Audio Equalization: Parametric, Graphic, ShelvingArticle coming
- Audio Sampling Rates: 44.1kHz, 48kHz, 96kHz, 192kHzArticle coming
- Beamforming: Delay-and-Sum AlgorithmArticle coming
- CRC Generation and VerificationArticle coming
- Channel Coding: LDPC Decode AlgorithmArticle coming
- Channel Estimation: LS, MMSE for OFDMArticle coming
- Convolution Reverb and Room Impulse ResponseArticle coming
- DTMF Encoder/Decoder with Goertzel AlgorithmArticle coming
- FMCW Radar Range and Doppler ProcessingArticle coming
- LC3 (LE Audio) Codec for BluetoothArticle coming
- LCMV Beamformer for Multi-ConstraintArticle coming
- MIMO Detection: ZF, MMSE, Sphere DecoderArticle coming
- MP3 Encoding: Subband Filter + MDCTArticle coming
- MVDR Minimum Variance BeamformerArticle coming
- Noise Reduction: Wiener Filter, Spectral SubtractionArticle coming
- OFDM Channel Estimation and EqualizationArticle coming
- OFDM PAPR Reduction: Clipping, SLM, PTSArticle coming
- OFDM: Subcarrier Spacing, Cyclic Prefix, PilotArticle coming
- OTFS (Orthogonal Time-Frequency Space) WaveformArticle coming
- Opus Codec: SILK + CELT ArchitectureArticle coming
- PCM and ADPCM Audio Coding (G.711, G.726)Article coming
- Perceptual Audio Coding PrinciplesArticle coming
- Pitch Detection Algorithms (AMDF, CREPE)Article coming
- Polar Code Successive Cancellation DecoderArticle coming
- Psychoacoustic Model: ISO 226, MaskingArticle coming
- Radar Ambiguity Function AnalysisArticle coming
- Radar Pulse Compression: Matched FilterArticle coming
- Radar Signal Processing: CFAR DetectorArticle coming
- Reed-Solomon Decoder for Burst Error CorrectionArticle coming
- Room Acoustics: Reverberation Time (RT60)Article coming
- Software Defined Radio: RTL-SDR, USRPArticle coming
- Superdirectional Microphone Array DesignArticle coming
- Synchronization: Timing Offset, CFO CorrectionArticle coming
- Turbo Decoder: MAP, Log-MAP, Max-Log-MAPArticle coming
- Viterbi Algorithm for Convolutional CodesArticle coming
- Voice Activity Detection (VAD) AlgorithmsArticle coming
Distinguished Engineer· 0 of 40
- Audio Event Detection with PANNsArticle coming
- CNN for 1D Signal ClassificationArticle coming
- Continual Learning for Non-Stationary SignalsArticle coming
- DNN-Based Channel Estimation for 5GArticle coming
- DeepReceiver: ML Receiver for OFDMArticle coming
- Domain Adaptation for Signal RecognitionArticle coming
- End-to-End ASR: CTC Loss and Beam SearchArticle coming
- Explainable AI for DSP Model DiagnosticsArticle coming
- Few-Shot Signal ClassificationArticle coming
- Foundation Models for Time-Series (Moirai)Article coming
- GNN for Sensor Network DSPArticle coming
- Generative AI for Synthetic Signal AugmentationArticle coming
- HiFi-GAN Vocoder ArchitectureArticle coming
- HuBERT and data2vec for Audio Pre-TrainingArticle coming
- Keyword Spotting (KWS) with TFLite MicroArticle coming
- LSTM / GRU for Time Series ModelingArticle coming
- MAML Meta-Learning for Rapid Signal AdaptationArticle coming
- ML-Based AEC and Noise Suppression (RNNoise)Article coming
- MusicGen: LM for Music GenerationArticle coming
- Neural Audio Codec: EnCodec, DACArticle coming
- Neural Beamforming with Attended SpeechArticle coming
- Neuromorphic Auditory Processing with SNNArticle coming
- Physics-Informed Neural Network for WaveArticle coming
- SEGAN: Speech Enhancement with GANArticle coming
- Self-Supervised Contrastive Learning for DSPArticle coming
- Semi-Supervised Learning for Signal LabelingArticle coming
- Signal Classification with 2D CNN (Spectrogram)Article coming
- Sound Event Localization and Detection (SELD)Article coming
- SoundStream: Neural Audio CodecArticle coming
- Speech Enhancement with U-NetArticle coming
- TFLite Micro MFCC + CNN on Cortex-MArticle coming
- TTS: Tacotron 2, FastSpeech 2, VITSArticle coming
- Temporal Convolutional Network (TCN)Article coming
- Transfer Learning: ImageNet to SpectrogramArticle coming
- Transformer for Time-Series (TFT)Article coming
- Uncertainty Estimation in ML for Safety DSPArticle coming
- Wake-Word Detection on MCU (Edge Impulse)Article coming
- Wav2Vec 2.0: Self-Supervised SpeechArticle coming
- WaveNet: Dilated Causal CNN for AudioArticle coming
- Whisper: Large-Scale ASR Encoder-DecoderArticle coming