استانداردها

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نمایش مورد 1-10 از 4,430 نتیجه جستجو شده.
عملیات
ITU-R BR.1531 : Exchange of Sound Programmes for Broadcast Use Recorded as Broadcast Wave Format Files on Compact and Digital Versatile Recordable Data Disks
سازمان:
ITU-R - International Telecommunication Union/ITU Radiocommunication Sector
زبان:
English
سال:
2001
قیمت: 195000 تومان
ITU-R QUESTION 240/5 : Technical and operational characteristics and spectrum requirements of high-frequency surface wave radar systems operating in the frequency range 3 to 50 MHz
سازمان:
ITU-R - International Telecommunication Union/ITU Radiocommunication Sector
زبان:
English
سال:
2007
قیمت: 195000 تومان
ITU-R SM.1751 FRENCH : English -- An additional methodology for the evaluation of the effect of interference between radiocommunication networks operating in a shared frequency band : French -- Méthode d'évaluation additionnelle des effets des brouillages entre des réseaux de radiocommunication qui utilisent en partage la même bande de fréquences
سازمان:
ITU-R - International Telecommunication Union/ITU Radiocommunication Sector
زبان:
French
سال:
2006
قیمت: 195000 تومان
ITU-R REPORT M.2073 : Feasibility and practicality of prioritization and real-time pre-emptive access between different networks of mobile-satellite service in the bands 1 525-1 559 MHz and 1 626.5-1 660.5 MHz
سازمان:
ITU-R - International Telecommunication Union/ITU Radiocommunication Sector
زبان:
English
سال:
2005
قیمت: 195000 تومان
ITU-R BS.599 SPANISH : English -- DIRECTIVITY OF ANTENNAS FOR THE RECEPTION OF SOUND BROADCASTING IN BAND 8 (VHF) : Spanish -- Directividad de las antenas de recepción en radiodifusión sonora en la banda 8 (ondas métricas)
سازمان:
ITU-R - International Telecommunication Union/ITU Radiocommunication Sector
زبان:
Spanish
سال:
1982
قیمت: 195000 تومان
ITU-R SA.1157-1 SPANISH : English -- Protection criteria for deep-space research : Spanish -- Criterios de protección para la investigación del espacio lejano
سازمان:
ITU-R - International Telecommunication Union/ITU Radiocommunication Sector
زبان:
Spanish
سال:
2006
قیمت: 195000 تومان
ITU-R P.841-4 FRENCH : English -- Conversion of annual statistics to worst-month statistics : French -- Conversion des statistiques annuelles en statistiques pour le mois le plus défavorable
سازمان:
ITU-R - International Telecommunication Union/ITU Radiocommunication Sector
زبان:
French
سال:
2005
قیمت: 195000 تومان
ITU-R F.1501 SPANISH : English -- COORDINATION DISTANCE FOR SYSTEMS IN THE FIXED SERVICE (FS) INVOLVING HIGH-ALTITUDE PLATFORM STATIONS (HAPSs) SHARING THE FREQUENCY BANDS 47.2-47.5 GHz AND 47.9-48.2 GHz WITH OTHER SYSTEMS IN THE FIXED SERVICE : Spanish -- DISTANCIA DE COORDINACIÓN EN LOS SISTEMAS DEL SERVICIO FIJO CUANDO INTERVIENEN ESTACIONES SITUADAS EN PLATAFORMAS A GRAN ALTITUD (HAPS) QUE COMPARTEN LAS BANDAS DE FRECUENCIAS 47,2-47,5 GHz Y 47,9-48,2 GHz CON OTROS SISTEMAS DEL SERVICIO FIJO
سازمان:
ITU-R - International Telecommunication Union/ITU Radiocommunication Sector
زبان:
Spanish
سال:
2000
قیمت: 195000 تومان
ITU-R REPORT M.1049-1 : CONTROL OF PASSIVE INTERMODULATION PRODUCTS
سازمان:
ITU-R - International Telecommunication Union/ITU Radiocommunication Sector
زبان:
English
سال:
1990
قیمت: 195000 تومان
ITU-R M.1039-3 : Co-Frequency Sharing between Stations in the Mobile Service Below 1 GHz and Mobile Earth Stations of Non-Geostationary Mobile-Satellite Systems (Earth-Space) Using Frequency Division Multiple Access (FDMA)
سازمان:
ITU-R - International Telecommunication Union/ITU Radiocommunication Sector
زبان:
English
سال:
2006
قیمت: 195000 تومان