求一篇“基于DDS技术信号源”的英文文献 【DDS信号发生器】【spurious signal generator】DDS的基本工作原理 The basic principle of DDS 直接数字频率合成是采用数字化技术，通过控制相位的变化速度，直接产生。
有关DDS波形发生器的英文文献 至少3000单词 有中文翻译 最好能快点啊 波形发生器是随着不断进步的计算机技术和微电子技术在测量仪器中的应用而形成和发展起来的一类新型信号源。基于DDS技术的波形发生器具有输出频率稳定、准确，波形质量好和输出频率范围等一系列独特的优点，是波形发生器研究的一个重要方向。DDS技术是一种先进的频率合成技术，其主要优点是易于程控，相位连续，输出频率稳定度高，分辨率高。本文论述了DDS系统的基本组成、工作原理和特点。关键词 DDS，单片机，LCDWave form generator with progressive computer technology and microelectric technique application and one new signal source that form and develop among measuring instrument constantly.The wave form generator based on DDS technology has steady，accurate frequency of outputting，wave form of high quality outputting frequency range a series of unique advantages，it is an important direction in which the wave form generator studies.DDS technology is a kind of advanced frequency synthetic technology，its major advantage is easy to be programme-controlled，continuously，it is high to output the steady degree of 。
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波形发生器毕业论文中英文资料外文翻译文献 试读结束，如需阅读或下载，请点击购买>；原发布者：吴美媛波形发生器中英文资料外文翻译文献THE DESIGN OF ARBITRARY WAVEFORM GENERATORSThe profile generator is can produce the massive standard signals and the user definition signal，and guarantees the high accuracy，high stable，the repeatability and the easy operational electronic instrumentation.The function profile generator has the continual phase transformation，and merits and so on frequency stability，not only may simulate each kind of complex signal，but also may to the frequency，the peak-to-peak value，the phase-shift，the profile carry on the tendency，the prompt control，and can carry on the communication with other instruments，the composition automated test system，therefore widely uses in the automatic control system，the vibration drive，the communication and the instrument measuring appliance domain.As early as in 20's，when the electronic installation just appeared，he appeared.Along with the correspondence and the radar technology 。
