A collection of the best articles from ARRL publications So many wire antenna designs have proven to be first class performers! Here is an entire book devoted to wire antennas, from the simple to the complex. Includes articles on dipoles, loops, rhombics, wire beams and receive antennas and some time-proven classics! An ideal book for Field Day planners or the next wire antenna...(展开全部)

Stutzman's 3 rd edition of Antenna Theory and Design provides a more pedagogical approach with a greater emphasis on computational methods. New features include additional modern material to make the text more exciting and relevant to practicing engineers; new chapters on systems, low-profile elements and base station antennas; organizational changes to improve understanding...(展开全部)

Highly respected authors have reunited to update the well known 1981 edition which is still hailed as one of the best in its field. This edition includes recent antenna innovations and applications. It features a succinct treatment of the finite difference, time domain (FDTD) computational technique. It is also the first text to treat physical theory of diffraction (PTD).

The discipline of antenna theory has experienced vast technological changes. In response, Constantine Balanis has updated his classic text, Antenna Theory, offering the most recent look at all the necessary topics. New material includes smart antennas and fractal antennas, along with the latest applications in wireless communications. Multimedia material on an accompanying CD p...(展开全部)

The Latest Resource for the Study of Antenna Theory! In a discipline that has experienced vast technological changes, this text offers the most recent look at all the necessary topics. Highlights include: * New coverage of microstrip antennas provides information essential to a wide variety of practical designs of rectangular and circular patches, including computer programs. *...(展开全部)

This book introduces the fundamental principles of antenna theory and explains how to apply them to the analysis, design, and measurements of antennas. Due to the variety of methods of analysis and design, and the different antenna structures available, the applications covered in this book are made to some of the most basic and practical antenna configurations. Among these ant...(展开全部)

The discipline of antenna theory has experienced vast technological changes. In response, Constantine Balanis has updated his classic text, Antenna Theory, offering the most recent look at all the necessary topics. New material includes smart antennas and fractal antennas, along with the latest applications in wireless communications. Multimedia material on an accompanying CD p...(展开全部)

All the information you need to design your own complete antenna system. Since the first edition in September 1939, radio amateurs and professional engineers have turned to The ARRL Antenna Book as THE source of current antenna theory and a wealth of practical how-to construction projects. Use this book to discover even the most basic antenna designs-- wire and loop antennas, v...(展开全部)

简介：女生头像：可爱，星座，姓名

约翰·狄克森·卡尔（1906－1977） 史上最伟大的推理小说作家之一，举世公认的“密室推理之王”。其小说素以公平著称，线索隐蔽，解答惊人，具有超乎寻常的逻辑性、趣味性。他一生共设计了超过五十种密室，几乎每个都是构思精巧、无以复加；又兼其小说一贯具有的浓郁哥特风格，以及其谋篇布局的架构能力之强，自会让读者大呼过瘾，竞相传读。读推理，岂能不读密室；读密室，岂能不读卡尔！