全部

1·This paper introduces a numeral down converter control system.

本文介绍了一种数字式下变频器的控制系统。

2·A combination Low Noise Amplifier and down converter built into one device attached to the feed.

低噪声放大器和下变换器内置于连接到馈电的一个设备。

3·Based on these elements, the material design of if sample and digital down converter based on FPGA is specified.

在此基础上，介绍了中频数字采样单元和基于FPGA的数字下变频单元的具体设计。

4·The DSP, Digital Up Converter ( DUC ) and Digital Down Converter (DDC ) are key technology of a hardware-platform.

DSP和数字上变频和下变频技术是构建高频雷达通用硬件平台的关键技术。

5·This will avoid using special hardware of digital down converter, make hardware simpler and increase the flexibility of system.

从而有可能避免使用专用硬件下变频器，使硬件电路更简化和增加系统的灵活性。

6·Excellent as DC-DC converter used in notebooks computers, PDA and mobile handphones. Step-up or step-down converters, flash memory.

绝佳的笔记型电脑、个人数位助理和行动电话中的直流-直流整流器，增压或降压整流器及快闪记忆体。

7·The subject derives from the project of C-band Down Converter , which is contented with the satellite testing and controlling system.

为满足卫星测控业务的要求、完成C频段遥测信号的接收工作，本课题研制了C频段下变频器。

8·The real time processing of high speed data flow makes strict demands on the performance of descendant digital down converter in the wideband digital receiver.

在宽带数字接收机中，高速数据流的实时处理对后继数字下变频器性能提出了极为苛刻的要求。

9·Combining to devise radio telemetry receiver, the application of digital down converter and frequency demodulation in software radio is discussed and analysed.

结合无线电遥测接收机的设计，论述和分析了软件无线电技术中的数字下变频和调频数字解调技术在遥测接收机中的应用。

10·The design of hardware module includes A/D converter, DDC (Digital Down Converter) and DSP. The design and application of AD6640 and AD6624 are fully discussed in this part.

模块的硬件设计主要包括：A／D转换器、数字下变频器（DDC）以及DSP，详尽讨论了A／D 器件AD6640和DDC 器件AD6624的设计和应用；