down conversion的意思

down conversion中文翻譯：

降頻轉換

相似詞語短語

conversion───n.轉換；變換；[金融]兌換；改變信仰

metric conversion───公制換算

conversion option───兌換選擇權；轉換期權

dekaliter conversion───dekaliter轉換

meter conversion───儀表轉換

conversion chart───換算表；[計]轉換圖

conversion factor───[數]換算因數；[數][核]轉換因子；[統計]變換因數；轉換因數; 換算因數; 變換因數; 轉換因子

currency conversion───貨幣兌換；外匯匯兌

decagram conversion───十進制轉換

雙語使用場景

Digital down conversion plays a key role in the digitized and software-oriented process of the receiver system.───數字下變頻在接收系統的數字化和軟件化過程中起到了至關重要的作用。

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現場可編程邏輯陣列（FPGA）的數字上下變頻技術的設計和實現。

This paper analyzes the digital down conversion (DDC) of wideband reconnaissance receiver IF digital signal based on polyphase filtering.───分析了基于多相濾波結構的寬帶偵察接收機中頻數字信號下變頻處理方法。

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.───針對4通道接收，我們給出了背靠背實驗方案，并且基于此方法，省去了外差系統所需的下變頻過程。

In the case of type II down-conversion, the two down-converted photons have orthogonal polarizations.───在第II類下轉換情況下，這兩個下轉換光子是正交偏振的。

Consider a down-conversion mixer ( as in a receive ) and assume the mixer is followed by a filters .───考慮一個混合器，并且假設它接在一個濾波器后面。

A quadrature down-conversion mixer based on this topology is designed and optimized for an ultra high frequency RFID reader.───設計并優化了一個基于共用跨導級結構的用于超高頻RFID閱讀器的正交下變頻混頻器。

Sampling of IF, digital down-conversion and DSP are used to digitize terminal guidance seeker.───利用中頻采樣、數字下變頻以及DSP技術，實現了末制導雷達的數字化。

Parametric down-conversion has proved a reliable tool for the generation of pairs of entangled photons .───參量下轉換已被證實成為產生一對糾纏光子的可靠的工具。

英語使用場景

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.