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- Adopt multi-function digital frequency inverter, and stepless variable speed. 采用多功能数显变频器，无级变速；
- This digital frequency stablization unit was basedon DSP combined with EPLD . 采用DSP芯片结合EPLD技术实现数字稳定技术。
- 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 Synthesis(DDS) technique is introduced and its spurious error is mainly studied. 介绍了直接数字频率合成技术以及分析其杂散误差,对相位截断误差和幅度量化误差进行了傅立叶级数分析研究。
- 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.
- Explored the design of the mouthpiece for AES/EBU With digital frequency modulator system. 与相似的文献。
- 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 technology of direct digital frequency synthesis(DDS),is a new typed synthesizer technology and signal frequency methods. 直接数字频率合成技术,即DDS,是一种新型的频率合成技术和信号产生方法。
- Direct Digital Frequency Synthesis(DDS) technology is realized on complex programmable logical component(CPLD) with hardware description language. 在复杂可编程逻辑器件(CPLD)上,用硬件语言实现了直接数字频率合成(DDS)技术。
- Shenzhen astar technology Co., LTD is located in guangdong shenzhen futian district, main digital frequency head, module, STB, gain antenna etc. 深圳爱仕达科技有限公司位于广东深圳市福田区，主营数字高频头、模组、机顶盒、增益天线等。
- 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。
- 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。
- By the example of the digital frequency counter design on FPGA, this paper introduces the design of SOC(System On Chip) based on FPGA/CPLD. 通过例举基于FPGA的数字频率计的设计,阐述了如何利用FPGA/CPLD实现片上系统。
- Digital look-up table method for synthesizing periodic signals is the most popular technique for direct digital frequency synthesis. 数字查表法合成周期信号是一种最常用的直接数字频率合成技术。
- 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。
- 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。
- The digital frequency meter produces the electriccircuit, a survey control electric circuit, a counter, a latch and thepower circuit by a 1 second pulse is composed. 数字频率计由一个1秒钟脉冲产生电路、一个测量控制电路、一个计数器、一个锁存器和电源电路组成。
- It effectively improves anti-interference ability and the reliability that adopt the many-to-one and one-direction wireless communication way of FSK digital frequency modulation. 采用多对一的单方向FSK数字调频的无线通讯方式,提高了系统数据传输的抗干扰能力和可靠性。
