| 1. | Thus , further researches on digital waveform generation are of much importance recently 因此对雷达波形数字产生技术的深入研究具有非常重要的现实意义。 |
| 2. | A signal generator based on arm7 mcu ( micro controller unit ) is developed with digital waveform synthesis technology 采用数字波形合成技术设计实现了基于arm7单片机的信号发生器系统。 |
| 3. | Bring forward one dds - based two - ram two - channel digital waveform generator which use cpld technology to improve system ' s integration 探讨了一种用cpld实现的基于dds的双ram双通道数字波形发生器的设计。 |
| 4. | Digital waveform generator which use dds ( direct digital synthesize ) technology has many merits like high frequency resolution , good stability and easy to generate signal 基于dds技术的数字波形发生器具有频率分辨率高、稳定性好、可灵活产生多种信号的优点。 |
| 5. | Establishing and analyzing the mathematical model of moa , then developing a portable instrument based on the digital waveform analysis method for on - line monitoring leakage current of moa 分析并建立了moa的数学模型,并研制出一套基于dft数字波形分析法的便携式moa在线监测装置 |
| 6. | 4 . on the foundation of the successful digital waveform < wp = 4 > analysis method , some valuable explorations were made and a new idea about moa on - line monitoring was presented in this thesis 在数字波形分析法的成功基础上又进行了有益的探索,提出一种新的想法并实现了基于pc - daq ( pci )的虚拟仪器系统 |
| 7. | The second example is a implementation of versatile digital waveform generator reveiver , which can be used as a means to test track segment finding logic and global decision logic , and other logics 该信号发生器可以产生任意波型的数字脉冲信号,可以用于主触发和主漂移室寻迹逻辑的调试与测试,为其它插件的调试创造条件。 |
| 8. | With the development of modern digital technology and vlsi , the method of digital waveform synthesis of the pulse compression signals is now widely used in radar systems 现代数字技术和vlsi技术迅猛发展,波形合成已经由传统的纯模拟方法发展到现在的直接数字合成,数字方式获得脉冲压缩信号已成为现代雷达普遍采用的波形合成方法。 |
| 9. | Here we bring forward one digital waveform generator based on dds technology , use cpld to do hardware design , finish functional and timing synthesize with certain eda tool ' s help 文中设计了一种基于dds技术的数字波形发生器,并在此基础上采用cpld技术来进行硬件设计研究,对电路的数字部分进行了分步设计以及功能仿真和波形仿真。 |
| 10. | Concerning the key technology of phase delay , the principles and its implementation of digital waveform phase delay based on waveform excitation is explained , which has achieved high transmission phase resolution in experimentation 对于相位延时这一关键技术,本文着重阐述了以波形激励为基础的数字波形相位延时的原理和实现,经实验达到了很高的发射延时分辨率。 |