| 单词 | down conversion |
| 释义 | 例句释义: 下变换,下转换,降频转换,下变频 1. A back-to-back experimental result is given for a 4-channel system, based on which, a down conversion process for heterodyne can be reduced. 针对4通道接收，我们给出了背靠背实验方案，并且基于此方法，省去了外差系统所需的下变频过程。 dx.doi.org 2. In the case of type II down-conversion, the two down-converted photons have orthogonal polarizations. 在第II类下转换情况下，这两个下转换光子是正交偏振的。 blog.sina.com.cn 3. Consider a down-conversion mixer ( as in a receive ) and assume the mixer is followed by a filters . 考虑一个混合器，并且假设它接在一个滤波器后面。 baike.china.alibaba.com 4. 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。 www.dictall.com 5. Sampling of IF, digital down-conversion and DSP are used to digitize terminal guidance seeker. 利用中频采样、数字下变频以及DSP技术，实现了末制导雷达的数字化。 www.dictall.com 6. Parametric down-conversion has proved a reliable tool for the generation of pairs of entangled photons . 参量下转换已被证实成为产生一对纠缠光子的可靠的工具。 www.showxiu.com 7. arises from the energy conservation in the down-conversion process, which is expressed by the frequency matching condition. 时间纠缠来源于下转换过程中的能量守恒，下转换过程可以通过频率匹配条件来表示。 dict.kekenet.com 8. This paper analyzes the digital down conversion(DDC) of wideband reconnaissance receiver IF digital signal based on polyphase filtering. 分析了基于多相滤波结构的宽带侦察接收机中频数字信号下变频处理方法。 www.dictall.com 9. one is the digital down conversion . the method of look - table is described in detail. 其一是数字下变频算法，重点说明了其中的查表法及其推广。 www.ichacha.net 10. We designed UWB down-conversion Mixer in succession. 接着进行UWB下变频混频的设计。 www.fabiao.net 1. Summarization of Investigation in Mechanism of Spontaneous Parametric Down-Conversion and Its Applications 自发参量下转换机理及应用研究综述 service.ilib.cn 2. Application of Two-photon Entangled State Prepared by Spontaneous Parametric Down-conversion in Quantum Information 自发参量下转换制备双光子纠缠态在量子信息学中的应用 www.ilib.cn 3. The Research of Spontaneous Parametric Down-conversion and Its Application in the Optics Metrology 自发参量下转换的研究及其在光学计量中的应用 service.ilib.cn 4. Study on generation mechanism and state function of spontaneous parametric down-conversion light field 自发参量下转换光场的产生机理及其态函数研究 service.ilib.cn 5. Review of experimentation study on spontaneous parametric down-conversion light field 自发参量下转换光场的实验研究进展综述 service.ilib.cn 6. Light Down-conversion Mechanism of Infrared Semiconductor 红外半导体下转换机理研究 www.ilib.cn 7. Simulation and Realization of Decimation Filter in Digital Down Conversion 数字下变频中抽取滤波器的仿真与实现 www.ilib.cn 8. FPGA implementation of digital down conversion and decimation 数字下变频及抽取的FPGA实现 service.ilib.cn 9. A Wide-Band High-Linearity Down-Conversion Mixer for Cable Receptions 一种用于有线接收机的宽带高线性度的下变频混频器 www.ilib.cn 10. A New Direct Decimation Algorithm and Simulation for Digital Down-Conversion of BPSK Signal 信号直接数字下变频的算法与仿真 www.ilib.cn 1. FFT based on digital down conversion and its realization in spectrum analyzers 数字下变频FFT及其在频谱分析仪中的实现 www.ilib.cn 2. The research on the ways of automatic down-conversion receiving 实现自动化下变频接收的方案研究 www.ilib.cn 3. Modified digital down-conversion in DAB receiver DAB接收机中改进的数字下变频算法及实现 www.ilib.cn 4. A Step-down Conversion Concept for PWM-Mode Boost Converter PWM模式升压变换器的降压变换设计 www.ilib.cn 5. An algorithm of digital down conversion based on FPGA 一种基于FPGA的数字下变频算法研究 ilib.cn |
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