专业释义
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下变频 - 引用次数：32
Second, this paper studied the digital down-conversion (DDC) algorithm and the algorithm of fast acquisition of DSSS signal.
其次对扩频软件解调器中的数字下变频算法和扩频信号的快速捕获算法做了深入的研究。
参考来源 - “CX下转换 - 引用次数：4Nowadays, There are many ways to generate single-photon, e. g. by attenuated pulse laser, quantum dot, pulsed excitation of a single dipole, single nitrogen-vacancy color center in a diamond nanocrystal, cavity-QED and spontaneous parametric down-conversion (SPDC).
目前有许多方法可以产生单光子,如直接将激光衰减至单光子水平、量子点、单荧光分子N维色心以及自发参量下转换(SPDC)等。
参考来源 - 量子密码及实现量子计算中CNOT的有效方案降频 -
下变频 - 引用次数：1 参考来源 - GPS 和 Galileo 空间信号仿真及分析 Simulation and analysis of GPS and Galileo signals in space
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下变频
·2,447,543篇论文数据，部分数据来源于NoteExpress
双语例句权威例句
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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。
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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。
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Digital down - conversion (DDC) is an important technique of digitized radar receiver.
数字下变频技术是数字化雷达接收机的关键技术之一。
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