DDC：数字下变频器
数字下变频器（Digital Down-Converter，简称DDC）是一种广泛应用于电子工程与通信领域的设备，主要用于将高频信号转换至低频以便于后续处理。该术语在学术文献和技术资料中常被缩写为DDC，不仅便于书写和口头表达，也有助于提高专业交流的效率。
Digital Down-Converter具体释义
Digital Down-Converter的英文发音
例句
- A digital down-converter ( DDC ) based on a new lower-bit higher-order sigma-delta (Σ - Δ) modulator was proposed.
- 提出了一种基于新型低比特位高阶∑-Δ调制器用于数字下变频器(DDC)（ddc）设计的新思路。
- The circuit design of the digital signal processing board is accomplished, including A / D converter and digital down-converter circuit, FPGA circuit, DSP circuit, interface circuit and power supply circuit.
- 完成了数字信号处理器的电路设计，包括：A/D变换与数字下变频电路、FPGA电路、DSP电路、接口电路和电源电路等。
- This paper discusses key technology in the digital intermediate frequency receiver with wide band based on software radio, including down-converter on condition of band-pass-sampling, digital down-converter, multi-rate digital signal processing, band-pass signal decimating, and achieves software system simulation based on under-sampling.
- 分析了基于软件无线电的宽带数字中频接收机中的关键技术-带通采样下变频技术、数字下变频技术、多速率处理技术，并实现了欠采样技术条件的软件系统仿真。
- In the part of the hardware design, it consists of the hardware structure, the working state of the receiver and the different function of some important chips which are composed of FPGA, DSP and Digital Down-converter.
- 在硬件设计方面，阐述了该接收机的硬件结构和工作状态，以及FPGA、DSP、数字下变频专用芯片在该机中实现的功能。
- Under this foundation we gave detailed explanations and a simulation report about how to achieve the design of High-speed data streams digital down-converter.
- 在此基础上对高速数据流数字下变频器(DDC)的设计以及实现进行了专门的阐述并给出了相关的仿真报告。
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