什么是收信机，它与收音机有什么区别，两者能否通过改制实施代换，本文从两者的分类组成及简单工作过程说明其相同与不同之处，并指出两者互换的可能性及结论。一、收信机的分类及组成特点收信机的种类很多，按频率划分有超长波、长波、中波、短波、超短波和微波收信机等。按 What is the receiver, what is the difference between it and the radio, whether the two can be replaced by the restructuring, the paper from the two categories of composition and simple work process to illustrate the similarities and differences and pointed out the possibility of exchange between the two Sexual and conclusions. First, the classification and composition of the receiver Many types of receivers, according to the frequency of the long wave, long wave, medium wave, shortwave, ultrashort wave and microwave receiver. press