List of Articles signal to noise ratio Open Access Article Abstract Page Full-Text 1 - steganography in images, based on pixel value differencing in 16-pixels blocks Bashir Omrani Harzand Mohammadreza Motadel Ali Broumandnia Open Access Article Abstract Page Full-Text 2 - Improved SNR in Location with UWB Using Power Control Algorithms Aziz Szfadoust Hosein Momenzadeh Haghighi Open Access Article Abstract Page Full-Text 3 - The Effect of Electrical Discharge Machining Parameters On 2024 Aluminum-Based Composite Material Using Calculation and Analysis of the Total Normalized Quality Loss and Signal-to-Noise Analysis Behnam Masoudi saeed daneshmand Open Access Article Abstract Page Full-Text 4 - Investigation and Optimization of the Effect of Input Parameters on Material Removal Rate, Tool Wear Rate, and Surface Roughness in Electrical Discharge Machining of A356 Nano-Composite Reinforced By Alumina Mohammad Javad HajHosseini Ali Mokhtarian Mojtaba Rahimi Behnam Masoudi