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- digital frequency receiver 数字频率接收器
- As what is concluded from the above that it is practicable to design the digital intermediate frequency receiver with wide band at present. 由此可见，在现有条件下实现宽带数字中频接收机是可行的。
- This paper introduces the key specifications and its architecture of AD8369, and designs a full digital automatic gain control(DAGC) system for digital intermediate frequency receiver, and provides its control circuit and algorithm. 介绍了数字可变增益放大器(DVGA)AD8369的电路结构及其关键技术指标,并用该芯片为数字中频接收机设计了全数字自动增益控制(DAGC)系统,给出了其控制回路及其实现算法。
- 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。
- The key component of the system is a digital intermediate frequency receiver employing DSP and FPGA to obtain amplitude and phase data in real-time, which improves measurement speed and flexibility. 该系统的关键部件是一个数字中频接收机,利用DSP和FPGA实时获取幅度和相位数据,从而提高了测量速度和灵活性。
- 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.
- digital -intermediate frequency receiver 数字中频接收机
- Explored the design of the mouthpiece for AES/EBU With digital frequency modulator system. 与相似的文献。
- digital intermediate frequency receiver 数字中频接收机
- 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。
