1) zero IF scheme
零中频方案
1.
The electrocircuit structure of the zero IF scheme and its advantage are introduced.
讨论数字卫星电视接收机调谐解调器采用零中频方案与采用第二中频方案的区别 ,介绍了零中频方案的电路结构以及采用零中频方案的优越
2) Low IF principle
低中频方案
3) H﹠MF scheme
高中频方案
1.
Usually, the backwardness of the device directly affects the implementation of the advanced scheme,with the appearance of advanced devices, a communication receiver for SSB using one time frequency-covert and H﹠MF scheme is designed according to the needs of users.
当今先进的器件已经出现,根据用户的需求设计了采用一次变频、高中频方案的单边带通信接收机。
4) Zero-IF
零中频
1.
A low flicker noise mixer for zero-IF GPS receiver;
用于零中频GPS接收机的低闪烁噪声混频器
2.
Design of a Zero-IF CMOS Mixer for WLAN Application;
一种基于W LAN零中频CMO S混频器的设计
3.
Innovative Approaches for Testing Zero-IF Transceiver Devices;
测试零中频收发器器件的创新方法
5) zero if
零中频
1.
I/Q imbalance digital compensation based LS method for OFDM zero IF receivers;
基于LS的OFDM零中频接收机IQ不平衡数字补偿技术
2.
The topology combining super heterodyne and zero if for single chip implementation for FM SCA RF reception has been mainly proposed.
首先介绍了FMSCA无线寻呼的传统接收结构 ,重点提出超外差与零中频相结合以单片化实现FMSCA射频接收的拓朴结构 ,并给出了数学推导 ,证明了该拓朴结构能有效地恢复出原始信
3.
The merits of extremely low cost and high integration naturally make direct down-conversion (Zero IF) architecture the choice of solution for single-chip RF transceiver ICs, particularly for U-NII (Unlicensed National Information Infrastructure) band applications, such as high-speed wireless local area networks (WLANs,502.
无线终端市场的蓬勃发展促使RFIC(射频集成电路)设计以低成本和高集成度为目标,这促进了零中频体系结构成为了单片RFIC收发芯片设计中的首选结构。
6) scheme of measuring frequency
测频方案
补充资料：零息票债券；零券息债券
零息票债券；零券息债券一种以低于票面价值的价格发行的债务工具。债券不支付任何票息；它在到期日是以面值赎回的。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条