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- A Quadrature Direct Digital Frequency Synthesizer (QDDS) based on CORDIC algorithm is presented. 设计了一种基于CORDIC算法的正交输出直接数学频率合成器(QDDS);并在ALTERA FLEX10K 系列FPGA上予以实现.
- A realization technique of high speed arbitrary wave generator based on dual DDS(direct digital frequency synthesizer) is presented. 提出了一种基于双DDS(Direct Digital Frequency Synthesizer)的高速任意波发生器实现技术。
- In a transmit-receive sharing digital frequency synthesizer, how fast speed we identify whether frequency is aimed at, this is a key subject in ECM. 在收发共用的数字式频率综合器中;如何快速判别频率是否瞄准;也就成为电子对抗战中的一个关键课题.
- The paper introduced the working principle of the direct digital frequency synthesizer(DDS) and its spurious analysis is performed. 文章介绍了直接数字频率合成器(DDS)的基本工作原理,同时对其杂散进行了分析。
- This paper introduces the construction and principle of the digital frequency synthesizer. It presents a design scheme of digital frequency synthesizer. 摘要介绍频率合成的基本概念及频率合成器的技术指标，对设计的频率合成器的主要工作原理及性能进行分析。
- The robot control system is designed based on direct digital frequency synthesizer (DDS), which is consisting of C8051F040 embedded processor, FPGA and high voltage amplifiers. 基于DDS波形发生原理，为机器人设计了由C8051F040高速单片处理器、FPGA和功率放大器所构成的机器人驱动控制系统。
- This paper introduces the principle of direct digital frequency synthesizer,presents the realization method and simulation result based on FLEX10k complex programmable logic device(CPLD)of Altera Company. 介绍了直接数字频率合成器的工作原理,并利用 Altera 公司的 FLEX10k 复杂可编程逻辑器件(CPLD)给出了实现方法和仿真结果。
- The disadvantages of DDS (direct digital frequency synthesizer) are rather low output frequency and a large set of the spurious signals, and one reason of the spurious signals is phase truncation. 摘要直接数字频率合成(DDS)的缺点在于输出频率低和存在大量的杂散信号，而杂散信号产生的原因之一就是相位截断。
- Basing on the discussion of principle and characteristic of direct digital frequency synthesis(DDS) and phase-locked loop frequency synthesis(PLL),a design scheme of frequency synthesizer combining direct digital synthesis used for modern radio is given. 介绍了DDS(直接数字频率合成)技术及PLL(锁相环)频率合成技术的工作原理及特点,给出了现代电台设计中基于DDS的频率合成器的设计方案。
- Based on Software Defined Radio (SDR) technology, the architecture uses a Direct Digital frequency Synthesizer (DDS) to implement demodulation and modulation of Frequency Hopping (FH) signal. 实验台的构成遵循了软件定义无线电思想，采用了数字直接频率合成器来实现跳频信号的调制和解调。
- CORDIC-Based Direct Digital Frequency Synthesizer 基于CORDIC算法的直接数字频率合成器
- indirect digital frequency synthesizer 间接式数字频率合成器
- Direct Digital Frequency Synthesizer( DDS) 直接数字频率合成（DDS）
- A new method LFM in direct digital frequency synthesizing ( DDS) based on CORDIC algorithm is introduced in this paper. 本文介绍了一种应用CORDIC算法的线性调频直接数字合成(DDS)的实现方法。
- direct digital frequency synthesizer (DDFS) 数字频率合成器
- direct digital frequency synthesizer(DDFS) DDFS
- multi-loop digital frequency synthesizer 多环数字式频率合成器
- direct digital frequency synthesizer 直接式数字频率合成器
- Phase noise is the key character in direct digital frequency synthesizers (DDS) applied in the high stable frequency source. 摘要相位噪声是制约DDS用于高稳定频率源的的关键指标。
- The direct digital frequency synthesizes (DDS) to take one kind of new frequency synthesis technology, May realize from the signal parameter to the waveform transformation. 直接数字式频率合成(DDS)作为一种新的频率合成技术,它可以实现从信号参数到信号波形的转换。
