ITU-T SERIES P SUPP 20 : Examples of Measurements of Handset Receive-Frequency Responses: Dependence on Earcap Leakage Losses - Telephone Transmission Quality - Objective Electro-Acoustical Measurements - Supplement 20

سازمان: ITU-T - International Telecommunication Union/ITU Telcommunication Sector

سال: 1993

زبان: English

قیمت: 55000 تومان