您要查找的是不是：
- double sideband emission 双边带发射
- This bandwidth is twelve times greater than that required for SSB FDM, and six times greater than the bandwidth required for double sideband FDM. 这个宽带;比单边带频分多路复用所需要的带宽大12倍;比双边带步分多路复用所需要的带宽大6倍.
- A.signal transmission system model compatible with single sideband (SSB) system, double sideband (DSB) system and vestigial sideband (VSB) system is obtained in this paper. 本文研究单边带、双边带、残留边带信号传输系统的一个统一的数学模型,这种模型具有较为精练而明确的形式。
- reduced carrier single sideband emission 缩减载波单边带发射
- reduced carrier signal sideband emission 减载波单边发射
- 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. 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。
- DSBRC Double SideBand Reduced Carrier 双边带减幅载波
- double sideband transmitted carrier 双边带发送载波
- double sideband transmission system 双边带传揄系统
- double sideband amplitude modulation 双边带调幅
- amplitude modulation double sideband 调幅双边带
- double sideband suppressed carrier 双边带抑制式载波
- double sideband sound broadcasting 双边带声音广播
- double sideband suppressed-carrier 双边带抑制载波传输
- double sideband quadrature modulation 双边带正交调制
- double sideband signal generator 双边带信号发生器
- He is working double tides to finish his essay. 他日夜苦干，赶写他的文章。
- I do not realize it is a double feature. 我原先不知道这是双片连映。
- Double agents live in a perpetual state of fear. 两面派永远过着提心吊胆的生活。
- I want a double room with a view. 我要一间能看到风景的双人房间。
