本文首先指出了超外差接收机的固有缺点，即它有更多的虚假响应。
This paper first discusses the instinct disadvantage of a superheterodyne receiver, which is that it has more spurious response.
最后指出对于宽开接收机而言，抑制或减少虚假响应是设计超外差接收机的重要任务之一。
Finally, it points out that, as far as wide open receiver is concerned, to suppress or reduce the spurious response is one of the most important tasks in designing a superheterodyne receiver.
分别讨论了在理想假设和实际情况下超外差接收机的双边带噪声系数和单边带噪声系数，给出了单边带接收机的某些设计方案。
This paper discussed the double sideband noise figures and single side band noise figures of the superheterodyne receivers in a ideal hypothesis and the practical case respectively.
应用推荐