您要查找的是不是：
- Digital Frequency Measuring and Displaying System Based on 8098 Single Chip Microcomputer 基于8098单片机的微机数字测频及显示系统
- High Speed Digital Frequency Measurement Based on Discrete Fourier Transform 基于离散傅里叶变换的数字高速测频
- digital frequency measuring 数字频率测量
- 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。
- It consists of a pre-gain programmable amplifier, pre-filter, frequency measuring unit, data acquisition unit, windowing, digital correlation filter and man-machine interface, etc. 包括前置程控放大、前置滤波、转速 测量、数据采集、窗处理、相关滤波以及人机对话等部分。
- digital frequency measurement 数字测频
- Usually in the situation, may survey sketchily using the Oscilloscope was measured that the signal the frequency, the precision measuring needs to use the digital frequency meter. 它的基本功能是测量正弦信号、方波信号、尖脉冲信号以及其他各种单位时间内变化的物理量，因此，用途十分广泛。
- This paper introduces how to form stepmotor driver source by using EPROM and analyse and design driver source and frequency measuring circuit. 本文介绍了利用EPROM芯片构成步进电机的驱动电源，并对驱动电源及频率测量电路进行了分析和设计。
- 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。
- Based on conventional confining pressure regulating experience, specific measuring converting circuit and frequency measuring interface are designed for LP05C reciprocati... 文章以LP05C往复柱塞平流泵为对象,设计了测量转换电路、测频接口;
- 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.
- In this paper, an experiment about shafting natural frequency measuring on torsional vibration experimental bench was studied and the factors, which cause error, were analyzed. 在扭振试验台上进行了轴系扭振固有频率测量的模拟试验,并对试验中产生误差的因素进行了分析计算。
- 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 topic of this paper comes from the need of pricise carrier frequence measuring of Direct Sequence Spread Spectrum signal. 本论文课题来源于工程中要求对直接序列扩频信号载波频率进行精确测量的客观需求。
- 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。
