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  1. Analyzing non-stationary signals: A joint time-frequency and spatial-frequency approach

    Article • Franklin Open, March 2025, Elsevier

    Dr Nabeel Ali Khan

  2. Refining instantaneous frequency estimation: Tackling abrupt transitions in aliased non-stationary signals

    Article • Franklin Open, March 2025, Elsevier

    Dr Nabeel Ali Khan

  3. A Hybrid Method for Interference Mitigation in GNSS Signals

    Article • October 2024, Institute of Navigation

    Dr Nabeel Ali Khan

  4. Adaptive Notch Filter Based Interference Characterization and Mitigation for GNSS Receivers

    Article • October 2024, Institute of Navigation

    Dr Nabeel Ali Khan

  5. Multi-sensor random sample consensus for instantaneous frequency estimation of multi-component signals

    Article • Digital Signal Processing, August 2023, Elsevier

    Dr Nabeel Ali Khan

  6. IF estimation in multi-sensor scenario with unknown sensor array geometry

    Article • Signal Processing, May 2023, Elsevier

    Dr Nabeel Ali Khan

  7. A Rule-Based Classifier to Detect Seizures in EEG Signals

    Article • Circuits Systems and Signal Processing, January 2023, Springer Science + Business Media

    Dr Nabeel Ali Khan

  8. Refined Instantaneous Frequency Estimation with Application to Sparse Signal Reconstruction

    Article • December 2022, Research Square

    Dr Nabeel Ali Khan

  9. Multi-sensor IF Estimation Based on Time-Frequency and Spatial Filtering

    Article • December 2022, Institute of Electrical & Electronics Engineers (IEEE)

    Dr Nabeel Ali Khan

  10. ADTFD-RANSAC For multi-component IF estimation

    Article • Signal Processing, June 2022, Elsevier

    Dr Nabeel Ali Khan

  11. Iterative adaptive directional time–frequency distribution for both mono-sensor and multi-sensor recordings

    Article • Signal Image and Video Processing, May 2022, Springer Science + Business Media

    Dr Nabeel Ali Khan

  12. Missing samples reconstruction using an efficient and robust instantaneous frequency estimation algorithm

    Article • TURKISH JOURNAL OF ELECTRICAL ENGINEERING & COMPUTER SCIENCES, May 2022, The Scientific and Technological Research Council of Turkey (TUBITAK-ULAKBIM) - DIGITAL COMMONS JOURNALS

    Dr Nabeel Ali Khan

  13. Modified Time-Frequency Marginal Features for Detection of Seizures in Newborns

    Article • Sensors, April 2022, MDPI AG

    Dr Nabeel Ali Khan

  14. Reconstruction of gapped missing samples based on instantaneous frequency and instantaneous amplitude estimation

    Article • Signal Processing, April 2022, Elsevier

    Dr Nabeel Ali Khan

  15. Robust sparse reconstruction of signals with gapped missing samples from multi-sensor recordings

    Article • Digital Signal Processing, April 2022, Elsevier

    Dr Nabeel Ali Khan

  16. An Efficient and Accurate Multi-Sensor IF Estimator Based on DOA Information and Order of Fractional Fourier Transform

    Article • Entropy, March 2022, MDPI AG

    Dr Nabeel Ali Khan

  17. Correction to: Convolutional neural networks based time–frequency image enhancement for the analysis of EEG signals

    Article • Multidimensional Systems and Signal Processing, March 2022, Springer Science + Business Media

    Dr Nabeel Ali Khan

  18. Convolutional Neural Networks Based Time-Frequency Image Enhancement For the Analysis of EEG Signals

    Article • Multidimensional Systems and Signal Processing, February 2022, Springer Science + Business Media

    Dr Nabeel Ali Khan

  19. Direction of Arrival Estimation by Combining Robust Spatial Time–Frequency Distributions and Spatial Filtering

    Article • Circuits Systems and Signal Processing, February 2022, Springer Science + Business Media

    Dr Nabeel Ali Khan

  20. Iterative missing data recovery algorithm for non-stationary signals

    Article • Signal Image and Video Processing, February 2022, Springer Science + Business Media

    Dr Nabeel Ali Khan

  21. If Estimation in Multi-Sensor Scenario with Unknown Sensor Array Geometry

    Article • SSRN Electronic Journal, January 2022, Elsevier

    Dr Nabeel Ali Khan

  22. Instantaneous Fundamental Frequency and Model Order Estimation of Non-Stationary Harmonic Signals

    Article • SSRN Electronic Journal, January 2022, Elsevier

    Dr Nabeel Ali Khan

  23. An instantaneous frequency and group delay based feature for classifying EEG signals

    Article • Biomedical Signal Processing and Control, May 2021, Elsevier

    Dr Nabeel Ali Khan

  24. An efficient IF estimation algorithm for both mono- and multi-sensor recordings

    Article • Signal Image and Video Processing, April 2021, Springer Science + Business Media

    Dr Nabeel Ali Khan

  25. Robust spatial time-frequency distributions for DOA estimation using spatial averaging and directional smoothing

    Article • Signal Processing, March 2021, Elsevier

    Dr Nabeel Ali Khan

  26. Multi-component instantaneous frequency estimation in mono-sensor and multi-sensor recordings with application to source localization

    Article • Multidimensional Systems and Signal Processing, February 2021, Springer Science + Business Media

    Dr Nabeel Ali Khan

  27. An Efficient Direction of Arrival Estimation Algorithm for Sources with Intersecting Signature in the Time–Frequency Domain

    Article • Applied Sciences, February 2021, MDPI AG

    Dr Nabeel Ali Khan

  28. A robust and efficient instantaneous frequency estimator of multi-component signals with intersecting time-frequency signatures

    Article • Signal Processing, December 2020, Elsevier

    Dr Nabeel Ali Khan

  29. Multi-component instantaneous frequency estimation using signal decomposition and time-frequency filtering

    Article • Signal Image and Video Processing, June 2020, Springer Science + Business Media

    Dr Nabeel Ali Khan

  30. Spike Detection Based on the Adaptive Time–Frequency Analysis

    Article • Circuits Systems and Signal Processing, May 2020, Springer Science + Business Media

    Dr Nabeel Ali Khan

  31. Novel direction of arrival estimation using Adaptive Directional Spatial Time-Frequency Distribution

    Article • Signal Processing, March 2020, Elsevier

    Dr Nabeel Ali Khan

  32. Random noise attenuation of 2D seismic data based on sparse low-rank estimation of the seismic signal

    Article • Computers & Geosciences, February 2020, Elsevier

    Dr Nabeel Ali Khan

  33. Sparse reconstruction based on iterative TF domain filtering and Viterbi based IF estimation algorithm

    Article • Signal Processing, January 2020, Elsevier

    Dr Nabeel Ali Khan

  34. Detection of Frequency Modulated Signals Using a Robust IF Estimation Algorithm

    Article • Circuits Systems and Signal Processing, September 2019, Springer Science + Business Media

    Dr Nabeel Ali Khan

  35. Direction of arrival estimation of sources with intersecting signature in time–frequency domain using a combination of IF estimation and MUSIC algorithm

    Article • Multidimensional Systems and Signal Processing, August 2019, Springer Science + Business Media

    Dr Nabeel Ali Khan

  36. Seismic Random Noise Attenuation Using Sparse Low-Rank Estimation of the Signal in the Time–Frequency Domain

    Article • IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing, May 2019, Institute of Electrical & Electronics Engineers (IEEE)

    Dr Nabeel Ali Khan

  37. SUPPRESSION OF CROSS-TERM IN WIGNER DISTRIBUTION USING DIRECTIONAL FILTERING AND IMAGE PROCESSING

    Article • NED University Journal of Research, March 2019, NED University of Engineering and Technology

    Dr Nabeel Ali Khan

  38. Instantaneous frequency estimation of intersecting and close multi-component signals with varying amplitudes

    Article • Signal Image and Video Processing, October 2018, Springer Science + Business Media

    Dr Nabeel Ali Khan

  39. A Modified Viterbi Algorithm-Based IF Estimation Algorithm for Adaptive Directional Time–Frequency Distributions

    Article • Circuits Systems and Signal Processing, October 2018, Springer Science + Business Media

    Dr Nabeel Ali Khan

  40. An improved design of adaptive directional time–frequency distributions based on the Radon transform

    Article • Signal Processing, September 2018, Elsevier

    Dr Nabeel Ali Khan

  41. A new feature for the classification of non-stationary signals based on the direction of signal energy in the time–frequency domain

    Article • Computers in Biology and Medicine, September 2018, Elsevier

    Dr Nabeel Ali Khan

  42. Exploiting Temporal Correlation for Detection of Non-stationary Signals Using a De-chirping Method Based on Time–Frequency Analysis

    Article • Circuits Systems and Signal Processing, May 2018, Springer Science + Business Media

    Dr Nabeel Ali Khan

  43. Reconstruction of Non-stationary Signals with Missing Samples Using Time–frequency Filtering

    Article • Circuits Systems and Signal Processing, April 2018, Springer Science + Business Media

    Dr Nabeel Ali Khan

  44. Locally Optimized Adaptive Directional Time–Frequency Distributions

    Article • Circuits Systems and Signal Processing, March 2018, Springer Science + Business Media

    Dr Nabeel Ali Khan

  45. Enhancement of the spikes attributes in the time-frequency representations of real EEG signals

    Article • December 2017, Institute of Electrical & Electronics Engineers (IEEE)

    Dr Nabeel Ali Khan

  46. Radon transform for adaptive directional time-frequency distributions: Application to seizure detection in EEG signals

    Article • December 2017, Institute of Electrical & Electronics Engineers (IEEE)

    Dr Nabeel Ali Khan

  47. Automatic seizure detection using a highly adaptive directional time–frequency distribution

    Article • Multidimensional Systems and Signal Processing, August 2017, Springer Science + Business Media

    Dr Nabeel Ali Khan

  48. Sparsity-Aware Adaptive Directional Time–Frequency Distribution for Source Localization

    Article • Circuits Systems and Signal Processing, July 2017, Springer Science + Business Media

    Dr Nabeel Ali Khan

  49. Blind Source Separation Schemes for Mono-sensor and Multi-sensor Systems with Application to Signal Detection

    Article • Circuits Systems and Signal Processing, March 2017, Springer Science + Business Media

    Dr Nabeel Ali Khan

  50. Performance Comparison of Time-Frequency Distributions for Estimation of Instantaneous Frequency of Heart Rate Variability Signals

    Article • Applied Sciences, February 2017, MDPI AG

    Dr Nabeel Ali Khan

  51. Analysis of Power Quality Signals Using an Adaptive Time-Frequency Distribution

    Article • Energies, November 2016, MDPI AG

    Dr Nabeel Ali Khan

  52. Time–frequency image enhancement based on interference suppression in Wigner–Ville distribution

    Article • Signal Processing, October 2016, Elsevier

    Dr Nabeel Ali Khan

  53. Direction of arrival estimation using adaptive directional time-frequency distributions

    Article • Multidimensional Systems and Signal Processing, June 2016, Springer Science + Business Media

    Dr Nabeel Ali Khan

  54. A highly adaptive directional time–frequency distribution

    Article • Signal Image and Video Processing, April 2016, Springer Science + Business Media

    Dr Nabeel Ali Khan

  55. Classification of EEG Signals Using Adaptive Time-Frequency Distributions

    Article • January 2016, De Gruyter

    Dr Nabeel Ali Khan

  56. Multi-component instantaneous frequency estimation using locally adaptive directional time frequency distributions

    Article • International Journal of Adaptive Control and Signal Processing, July 2015, Wiley

    Dr Nabeel Khan, Dr Nabeel Ali Khan

  57. Time–frequency features for pattern recognition using high-resolution TFDs: A tutorial review

    Article • Digital Signal Processing, May 2015, Elsevier

    Dr Nabeel Ali Khan

  58. Principles of time–frequency feature extraction for change detection in non-stationary signals: Applications to newborn EEG abnormality detection

    Article • Pattern Recognition, March 2015, Elsevier

    Dr Nabeel Ali Khan

  59. Instantaneous Frequency Estimation of Multicomponent Nonstationary Signals Using Multiview Time-Frequency Distributions Based on the Adaptive Fractional Spectrogram

    Article • IEEE Signal Processing Letters, February 2013, Institute of Electrical & Electronics Engineers (IEEE)

    Dr Nabeel Ali Khan

  60. Improved resolution short time Fourier transform

    Article • September 2011, Institute of Electrical & Electronics Engineers (IEEE)

    Dr Nabeel Ali Khan

  61. Cross-term elimination in Wigner distribution based on 2D signal processing techniques

    Article • Signal Processing, March 2011, Elsevier

    Dr Nabeel Ali Khan

  62. Instantaneous Frequency Estimation Using Fractional Fourier Transform and Wigner Distribution

    Article • February 2010, Institute of Electrical & Electronics Engineers (IEEE)

    Dr Nabeel Ali Khan

  63. Modified Gabor Wigner Transform for Crisp Time Frequency Representation

    Article • April 2009, Institute of Electrical & Electronics Engineers (IEEE)

    Dr Nabeel Ali Khan