Published by National Defense Industry Press, 2020
ISBN 10: 711812110X ISBN 13: 9787118121100
Language: Chinese
Seller: liu xing, Nanjing, JS, China
paperback. Condition: New. Paperback. Pub Date: 2020-10-01 Pages: 268 Language: Chinese Publisher: National Defense Industry Press Antenna is used as a device for electromagnetic wave conversion in radio communications. broadcasting. television. radar. navigation. electronic countermeasures. remote sensing. and radio astronomy. And other engineering systems are widely used.?Since Hertz and Marconi invented the antenna. the importance of the antenna in social life has increased day by day. and now it has become an indis.