A quadrature down-conversion mixer based on this topology is designed and optimized for an ultra high frequency RFID reader.
设计并优化了一个基于共用跨导级结构的用于超高频rfid阅读器的正交下变频混频器。
2
On this basis, this paper focuses on two approaches of down-conversion decoding: spatial down-conversion decoding and temporal down-conversion decoding.
在此基础上，本文着重从空间降采样解码与时间降采样解码两方面对降采样解码处理技术进行研究。
3
Digital down - conversion (DDC) is an important technique of digitized radar receiver.