down conversion发音

意思翻译

降频转换

相似词语短语

conversion───n.转换；变换；[金融]兑换；改变信仰

metric conversion───公制换算

conversion option───兑换选择权；转换期权

dekaliter conversion───dekaliter转换

meter conversion───仪表转换

conversion chart───换算表；[计]转换图

conversion factor───[数]换算因数；[数][核]转换因子；[统计]变换因数；转换因数; 换算因数; 变换因数; 转换因子

currency conversion───货币兑换；外汇汇兑

decagram conversion───十进制转换

双语使用场景

Digital down conversion plays a key role in the digitized and software-oriented process of the receiver system.───数字下变频在接收系统的数字化和软件化过程中起到了至关重要的作用。

This paper deals with the design and implementation of Digital Up Conversion and Digital Down Conversion based on the field-programmable gate array (FPGA).───本文主要研究的是基于现场可编程逻辑阵列（FPGA）的数字上下变频技术的设计和实现。

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。

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。

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。

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。

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。

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。

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。

英语使用场景

The correlated spontaneous up conversion and down conversion photons exhibits a high beam brightness, small spatial divergence, and broad spectral tunability.

To solve these problems, this paper presents a high performance, namely low voltage, high linearity and high conversion gain, CMOS direct down conversion mixer for UWB (Ultra Wide Band) system.

Then, based on the overall structure of the IF all-digital demodulator for FY-2 meteorological satellite, the digital down conversion and the timing synchronization are deeply researched.