...教育网 展,利用大规模可编程门阵列(FPGA, Field Programmable Gate Array)与直接频率合成技术(DDS, Direct Digital Synthesizer)相结合可以极大地提高函数发生器的性能,降低开发难度。
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提出了一种基于改进直接数字频率合成(DDS)技术的现场可编程门阵列(FPGA)数字调制器设计与实现方法。
In this paper a method of designing and implementing Field Programmable Gate Array (FPGA) digital modulator based on the improved Direct digital Synthesizer (DDS) technology is presented.
该芯片采用了改进的直接数字频率合成算法、流水线结构与ROM分时复用技术,保证了芯片的高性能和速度,节省了芯片面积。
A modified direct digital frequency synthesis (DDS), pipelined structure, and time-sharing ROM are adopted in the chip, for saving chip area and ensuring high performance and speed.
文中分析了雷达与外部电磁环境之间的双向兼容性问题,并对所采取的窄带接收机、数字直接合成(DDS)频率源和副瓣对消技术作了介绍。
We analyze bi-directional compatibility between radar and outside electromagnetism circumstance and also bring a detailed introduction to narrowband receiver, DDS(Digital Direct Syn…
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