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- planetary wave generator 行星式波发生器
- The Origin of Stationary Planetary Waves in the Upper Mesosphere. 中间层上层静止行星波的起源。
- VHD - functions: the sine wave generated 156.25KHz. VHD --功能:产生156.;25KHz的正弦波。
- Design using VHDL language of sine wave generator, but the basic operation of reference for learning! 利用VHDL语言设计的正弦波发生器,只是基本操作,仅供学习参考!
- Adjustable square wave generator, square wave to control the amplitude, frequency, duty cycle. 可调方波发生器,可以控制方波的幅值,频率,占空比。
- High-Frequency Planetary Waves in the Polar Middle Atmosphere as Seen in a Data Assimilation System. 数据同化中的极地中层大气的高频行星波。
- Optional shock wave generator that introduced from Germany, which has the advantages in fragmentation efficiency, low noise and low cost of lithotripsy. 采用引进德国技术的电磁波源发生器,具有碎石效果好,无噪声,低成本碎石的优点。
- In particular,the wavenumber 2 pattern of planetary waves contributes dominantly to the variability of the Siberian high and the Aleutian low. 其中低层中高纬地区纬向波数2的扰动对西伯利亚高压和阿留申低压的变化起了最主要的作用。
- The influence of eddy viscosity on the distribution of quasi-stationary planetary waves in the subtropics in summer is analysed theoretically. 本文从理论上分析了涡旋粘性对于夏季副热带准定常行星波分布的影响,指出夏季副热带地区由于纬向气流很弱,涡旋粘性对于准定常行星尺度运动起着重要作用。
- 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。
- This paper mainly presents a advanced double circuit sine?wave generator which comprises W77E58, CPLD, AD9835 and other ASIC. 用直接数字频率合成技术和高速单片机W77E58,可编程逻辑器件CPLD,直接数字频率合成专用芯片AD9835等超大规模集成电路来产生具有两路正弦波输出的信号发生器。
- Piezoelectric wave generator contains more than eight groups of piezoelectric actuators and displacement amplifiers with flexible hinges. 压电波发生器由八组以上压电驱动器及弹性铰链位移放大机构组合而成。
- To overcome this disadvantage, this study is to design gapcontrolled electrodes for a shock wave generator of an electrohydraulic lithotriptor. 为克服此缺点,本研究主要在设计可控制间距电极组,控制间距可以产生更稳定的聚焦压力。
- The amplitudes and phases of diurnal and semidiurnal tides show some quasi-periodic characteristics which may be resulted from nonlinear interaction between tides and planetary waves. 周日潮汐和半日潮汐的振幅和相位随时间呈现出拟周期变化的特征;这可能是潮汐与行星波非线形相互作用的结果.
- Spectrumanalyzer, Oscilloscope und Wave Generator with the help of a soundcard and the audioTester: With the help of a high quality soundcard your PC will be an audio labour. 简介:声音测试软件,配合一块高质量的声卡,使PC机成为一个声音实验室。
- Abstract: In order to advance the application of various digital RF tests, Tektronix held a news conference and promoted a new arbitrary wave generator called AWG5000. 摘 要: 为了更好地推进各类数字RF应用的测试工作,泰克公司举行新闻发布会,推出了AWG5000任意波形发生器。
- In order to advance the application of various digital RF tests,Tektronix held a news conference and promoted a new arbitrary wave generator called AWG5000. 为了更好地推进各类数字RF应用的测试工作,泰克公司举行新闻发布会,推出了AWG5000任意波形发生器。
- Planetary Wave Activity During Stratospheric Sudden Warming 平流层爆发性增温期间行星波的活动
- Nonlinear planetary wave reflection in the troposphere 在对流层非线性行星波的反射曹学柱译
- the quasi-stationary planetary waves 准定常行星波