List of Articles Bistatic echolocation Open Access Article Abstract Page Full-Text 1 - Estimation of the Bistatic Echolocation from Underwater Target Using Ship Noise based on Normal-Mode Model Mojgan Mirzaei Hotkani Seyed Alireza Seyedin Jean Bousquet Open Access Article Abstract Page Full-Text 2 - Design and Implementation a Single-Phase UPS Based on Microcontroller with AVR at Input and Full-Bridge Inverter at Output for Improving Sinusoidal Output Voltage Ahmad Omrani Majid Dehghani Mohamad Reza Yousefi