说明：  胡中豫教授所著的《现代短波通信》。本书对现代短波通信的主要技术、应用系统和发展趋势等进行了全面的阐述。主要内容包括：现代短波通信概论、短波通信信道、短波自适应通信、短波扩频通信、短波通信终端、短波天线与自动调谐技术、短波通信系统数字化和短波通信网络等。全书内容丰富，图文并茂，条理清晰，说理深入浅出，是一本很好的短波通信技术指导书。
(In this book, the application and development of modern HF communication are comprehensively described. The main contents include the introduction of HF communication, the HF channel, etc. It is a very good instruction book of HF communication.)