Shanto Rahman, Md. Mostafijur Rahman, M. Abdullah‐Al‐Wadud, Golam Dastegir Al-Quaderi et al.
Due to the limitations of image-capturing devices or the presence of a non-ideal environment, the quality of digital images may get degraded. In spite of much advancement in imaging science, captured images do not always fulfill users’ expectations of clear and soothing views. Most of the existing m...
Reaz A. Chowdhury, M. R. C. Mahdy, Tanisha Nourin Alam, Golam Dastegir Al Quaderi et al.
The Black-Scholes Option pricing model (BSOPM) has long been in use for valuation of equity options to find the prices of stocks. In this work, using BSOPM, we have come up with a comparative analytical approach and numerical technique to find the price of call option and put option and considered t...
Amrita Khan, Mahabub Alam Bhuiyan, Golam Dastegir Al Quaderi, Kazi Hanium Maria et al.
Effect of Zn content on the dielectric and transport properties of CoZnxFe2-xO4 (x = 0.0, 0.1, 0.2, 0.3 and 0.4), prepared by standard double sintering ceramic technique, sintered at 1000°C for 4 hours were investigated. The X-ray diffraction (XRD) pattern of the prepared samples showed single phase...
Nusrat Jahan Surovy, Md Masum Billah, Salahuddin Haowlader, Golam Dastegir Al-Quaderi et al.
Subcutaneous fat layer thickness in the abdomen is a risk indicator of several diseases and disorders like diabetes and heart problems and could be used as a measure of fitness. Skinfold measurement using mechanical calipers is simple but prone to error. Ultrasound scanning techniques are yet to be ...
M. R. C. Mahdy, Hamim Mahmud Rivy, Ziaur Rahman Jony, Nabila Binte Alam et al.
Considering the inhomogeneous or heterogeneous background, we have demonstrated that if the background and the half-immersed object are both non-absorbing, the transferred photon momentum to the pulled object can be considered as the one of Minkowski exactly at the interface. In contrast, the presen...
M. R. C. Mahdy, Ayed Al Sayem, Arif Shahriar, Jubayer Shawon et al.
Muhammad Abdul Kadir, Syed Parvez Ahmed, Golam Dastegir Al Quaderi, Rubina Rahman et al.
Focused Impedance Method (FIM), a new technique of electrical impedance measurement having high sensitivity in the central region, can sense the change in transfer impedance of an object embedded at a shallow depth within a volume conductor of unchanging background conductivity, using electrodes at ...
Sayed Parvez Ahmed, Muhammad Abdul Kadir, Golam Dastegir Al Quaderi, Rubina Rahman et al.
Tetrapolar Impedance Measurement (TPIM) is a 4-electrode impedance measurement system appropriate for a volume conductor in which current is driven through a pair of electrodes while potential developed across another pair of electrodes is measured to provide a value of transfer impedance. The 8-ele...
Samiron Kumar Saha, Golam Dastegir Al-Quaderi, K Siddique-e Rabbani
Focused Impedance Method (FIM) is a relatively new technique developed in the Biomedical Physics Laboratory of Dhaka University which allows improved localization of a zone without much increase in the complexity of measurement. Three versions using 8, 6 and 4 electrodes respectively have been conce...
Arif Shahriar, M. R. C. Mahdy, Jubayer Shawon, Golam Dastegir Al-Quaderi et al.
In this article, we have proposed a compact classification of isotropic and homogeneous single negative (SNG) electromagnetic metamaterial based perfect tunneling unit cells. This unified classification has been made by means of the band gap theories and properties of the arrays made up of these uni...
Amrita Khan, Dastegir Golam, Mahabub Alam Bhuiyan, Kazi Hanium Maria et al.
Zinc substitution is proposed as an efficient way to improve the performance of the ferrite. In this work, Zinc doped cobalt ferrite with the generic formula CoZnxFe2-xO4, with x = 0.0, 0.1, 0.3 and 0.4 were prepared by conventional ceramic technique, sintered at 1000ο C for 4 hours in air. The effe...
Golam Dastegir Al-Quaderi, Sayed Parvez Ahmed, K Siddique-e Rabbani
Focused Impedance Method (FIM) is an innovative and relatively new electrical impedance measurement technique that allows localized measurement of the properties of electrically conducting materials in a volume conductor such as the human body using simple measurement setups. In a previous work, FIM...
Sayed Parvez Ahmed, Muhammad Abdul Kadir, Rubina Rahman, Golam Dastegir Al-Quaderi et al.
A noninvasive and radiation free technique for in-vivo measurement of the volume of organs or fluids in the human body is necessary for many clinical applications. Focused Impedance Method (FIM) is a novel technique of electrical impedance measurements which has enhanced sensitivity in a localized r...
Md. Jubayer Shawon, Arif Shahriar, M. R. C. Mahdy, Ayed Al Sayem et al.
In this article, we have applied Maxwell-Schrodinger analogy to introduce the idea of electromagnetic metamaterial based band gap in semiconductor regime. We have found a new type of band gap in semiconductor hetero-structures, which is analogous to the spatial average single negative (SASN) band ga...
Rafsan Jani, Saikat Chandra Das, Fatematuz Zahura, Haniful Islam et al.
In recent years, the near-field optical binding force has gained a lot of interest in the field of optical manipulation. The reversal of the near-field binding force, a new, to the best of our knowledge, kind of optical manipulation, has so far been investigated mostly between dimers and in a very f...