Dr. Ahmed Gomaa Ahmed Radwan
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Dr. Ahmed Gomaa Ahmed Radwan

Research Scientist
Cairo University, Egypt

Highest Degree
Ph.D. in Mathematics from Cairo University, Egypt

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Area of Interest:

Computer Sciences
100%
Fractional Calculus
62%
Circuits
90%
Image Encryption System
75%
Computational Mathematics
55%

Research Publications in Numbers

Books
0
Chapters
0
Articles
0
Abstracts
0

Selected Publications

  1. Zidan, M.A., H. Omran, C. Smith, A. Syed, A.G. Radwan and K.N. Salama, 2014. A family of memristor‐based reactance‐less oscillators. Int. J. Circ. Theory Applic., 42: 1103-1122.
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  2. Soltan, A., A.G. Radwan and A.M. Soliman, 2014. CCII based fractional filters of different orders. J. Adv. Res., 5: 157-164.
  3. Radwan, A.G., K. Moaddy, K.N. Salama, S. Momani and I. Hashim, 2014. Control and switching synchronization of fractional order chaotic systems using active control technique. J. Adv. Res., 5: 125-132.
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  4. Fouda, M.E. and A.G. Radwan, 2014. Resistive‐less memcapacitor‐based relaxation oscillator. Int. J. Circ. Theory Applic., 43: 959-965.
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  5. Fouda, M.E. and A.G. Radwan, 2014. Memristor‐based voltage‐controlled relaxation oscillators. Int. J. Circ. Theory Applic., 42: 1092-1102.
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  6. Fouda, M.E. and A.G. Radwan, 2014. Meminductor response under periodic current excitations. Circ. Syst. Signal Process., 33: 1573-1583.
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  7. Barakat, M.L., A.S. Mansingka, A.G. Radwan and K.N. Salama, 2014. Hardware stream cipher with controllable chaos generator for colour image encryption. Image Process. IET, 8: 33-43.
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  8. Abd-El-Hafiz, S.K., A.G. Radwan, S.H.A. Haleem and M.L. Barakat, 2014. A fractal-based image encryption system. IET Image Process., 8: 742-752.
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  9. Radwan, A.G., K. Moaddy and I. Hashim, 2013. Amplitude modulation and synchronization of fractional-order memristor-based chua's circuit. Abstract Applied Anal., Vol. 2013. 10.1155/2013/758676.
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  10. Radwan, A.G., 2013. Resonance and quality factor of the fractional circuit. IEEE J. Emerging Selected Top. Circ. Syst., 3: 377-385.
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  11. Radwan, A.G., 2013. On some generalized logistic maps with arbitrary power. J. Adv. Res., 4: 163-171.
  12. Radwan, A.G. and M.E. Fouda, 2013. Optimization of fractional-order RLC filters. Circuits Syst. Signal Process., 32: 2097-2118.
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  13. Mosad, A.G., M.E. Fouda, M.A. Khatib, K.N. Salama and A.G. Radwan, 2013. Improved memristor-based relaxation oscillator. Microelectron. J., 44: 814-820.
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  14. Moaddy, K., A.G. Radwan, K.N. Salama, S. Momani and I. Hashim, 2013. Parametric control on fractional-order response for Lu chaotic system. J. Phys.: Conf. Ser., Vol. 423. .
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  15. Mansingka, A.S., M.A. Zidan, M.L. Barakat, A.G. Radwan and K.N. Salama, 2013. Fully digital jerk-based chaotic oscillators for high throughput pseudo-random number generators up to 8.77 Gbits/s. Microelectronics J., 44: 744-752.
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  16. Fouda, M.E., M.A. Khatib, A.G. Mosad and A.G. Radwan, 2013. Generalized analysis of symmetric and asymmetric memristive two-gate relaxation oscillators. IEEE Trans. Circuits Syst. I: Regular Papers, 60: 2701-2708.
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  17. Fouda, M.E. and A.G. Radwan, 2013. On the fractional-order memristor model. J. Fract. Calc. Applic., 4: 1-7.
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  18. Elwakil, A.S., M.E. Fouda and A.G. Radwan, 2013. A simple model of double-loop hysteresis behavior in memristive elements. IEEE Trans. Circuits Syst., 60: 487-491.
  19. Barakat, M.L., A.S. Mansingka, A.G. Radwan and K.N. Salama, 2013. Generalized hardware post-processing technique for chaos-based pseudorandom number generators. ETRI J., 35: 448-458.
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  20. Ali, A.S., A.G. Radwan and A.M. Soliman, 2013. Fractional order Butterworth filter: Active and passive realizations. IEEE J. Emerging Selected Top. Circ. Syst., 3: 346-354.
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  21. Zidan, M.A., A.G. Radwan and K.N. Salama, 2012. Controllable v-shape multiscroll butterfly attractor: System and circuit implementation. Int. J. Bifurcation Chaos, Vol. 22. 10.1142/S021812741250143X.
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  22. Talukdar, A., A.G. Radwan and K.N. Salama, 2012. Non linear dynamics of memristor based 3rd order oscillatory system. Microelectron. J., 43: 169-175.
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  23. Soltan, A., A.G. Radwan and A.M. Soliman, 2012. Fractional order filter with two fractional elements of dependant orders. Microelectron. J., 43: 818-827.
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  24. Radwan, A.G., 2012. Stability analysis of the fractional-order RLβCα circuit. J. Fract. Calc. Applic., 3: 1-15.
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  25. Radwan, A.G., 2012. Design of logistic map. Egypt.-Chin. J. Comput. Applied Math., 1: 47-53.
  26. Radwan, A.G. and K.N. Salama, 2012. Fractional-order RC and RL circuits. Circuits Syst. Signal Process., 31: 1901-1915.
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  27. Radwan, A.G. and A.S. Elwakil, 2012. An expression for the voltage response of a current‐excited fractance device based on fractional‐order trigonometric identities. Int. J. Circuit Theory Applic., 40: 533-538.
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  28. Moaddy, K., A.G. Radwan, K.N. Salama, S. Momani and I. Hashim, 2012. The fractional-order modeling and synchronization of electrically coupled neuron systems. Comput. Math. Applic., 64: 3329-3339.
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  29. Fouda, M.E. and A.G. Radwan, 2012. Charge controlled memristor-less memcapacitor emulator. Electron. Lett., 48: 1454-1455.
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  30. Elshurafa, A.M., P.H. Ho, A.G. Radwan, M.H. Ouda and K.N. Salama, 2012. Low-voltage puzzle-like fractal microelectromechanial system variable capacitor suppressing pull-in. Micro Nano Lett., 7: 965-969.
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  31. Elshurafa, A.M., A.G. Radwan, A. Emira and K.N. Salama, 2012. RF MEMS fractal capacitors with high self-resonant frequencies. J. Microelectromech. Syst., 21: 10-12.
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  32. Zidan, M.A., H. Omran, A.G. Radwan and K.N. Salama, 2011. Memristor-based reactance-less oscillator. Electron. Lett., 47: 1220-1221.
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  33. Talukdar, A., A.G. Radwan and K.N. Salama, 2011. Generalized model for memristor-based wien family oscillators. Microelectron. J., 42: 1032-1038.
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  34. Talukdar, A., A.G. Radwan and K.N. Salama, 2011. A memristor-based third-order oscillator: Beyond oscillation. Applied Nanosci., 1: 143-145.
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  35. Shamim, A., A.G. Radwan and K.N. Salama, 2011. Fractional Smith chart theory. IEEE Microwave Wireless Components Lett., 21: 117-119.
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  36. Radwan, A.G., M.H. Bakr and N.K. Nikolova, 2011. Transient adjoint sensitivities for discontinuities with Gaussian material distributions. Prog. Electromagnet. Res. B, 27: 1-19.
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  37. Radwan, A.G., K. Moaddy and S. Momani, 2011. Stability and non-standard finite difference method of the generalized Chua's circuit. Comput. Math. Applic., 62: 961-970.
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  38. Radwan, A.G., A. Shamim and K.N. Salama, 2011. Theory of fractional order elements based impedance matching networks. IEEE Microwave Wireless Components Lett., 21: 120-122.
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  39. Radwan, A.G. and K.N. Salama, 2011. Passive and active elements using fractional LβCαcircuit. IEEE Trans. Circuits Syst. I: Regular Papers, 58: 2388-2397.
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  40. Radwan, A.G., A.S. Elwakil and A.M. Soliman, 2009. On the generalization of second-order filters to the fractional-order domain. J. Circuits Syst. Comput., 18: 361-386.
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  41. Radwan, A.G., A.M. Soliman, A.S. Elwakil and A. Sedeek, 2009. On the stability of linear systems with fractional-order elements. Chaos Solitons Fractals, 40: 2317-2328.
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  42. Radwan, A.G., A.S. Elwakil and A.M. Soliman, 2008. Fractional-order sinusoidal oscillators: Design procedure and practical examples. IEEE Trans. Circuits Syst. I: Regular Papers, 55: 2051-2063.
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  43. Radwan, A.G., A.M. Soliman and A.S. Elwakil, 2008. First-order filters generalized to the fractional domain. J. Circuits Syst. Comput., 17: 55-66.
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  44. Radwan, A.G., A.M. Soliman and A.S. Elwakil, 2008. Design equations for fractional-order sinusoidal oscillators: Four practical circuit examples. Int. J. Circuit Theory Applic., 36: 473-492.
  45. Radwan, A., A.M. Soliman and A.S. Elwakil, 2007. 1-D digitally-controlled multiscroll chaos generator. Int. J. Bifurcation Chaos, 17: 227-242.
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  46. Radwan, A.G., A.M. Soliman and A.L. El-Sedeek, 2004. Low-voltage MOS chaotic oscillator based on the nonlinearity of Gm. J. Circuits Syst. Comput., 13: 101-120.
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  47. Radwan, A.G., A.M. Soliman and A. El-Sedeek, 2004. MOS realization of the modified Lorenz chaotic system. Chaos Solitons Fractals, 21: 553-561.
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  48. Radwan, A.G., A.M. Soliman and A.L. El-Sedeek, 2003. MOS realization of the double-scroll-like chaotic equation. IEEE Trans. Circuits Syst. I: Fundam. Theory Applic., 50: 285-288.
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  49. Radwan, A.G., A.M. Soliman and A.L. El-Sedeek, 2003. MOS realization of the conjectured simplest chaotic equation. J. Circuits Syst. Signal Process., 22: 277-285.
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  50. Radwan, A.G., A.M. Soliman and A.L. El-Sedeek, 2003. An inductorless CMOS realization of Chua's circuit. Chaos Solitons Fractals, 18: 149-158.
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