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。
This paper gives a detailed account of the waveform, matched-filter, fuzzy function, resolution in speed, resolution in range and the capacity of anti-interference of the Chirp signal.
本文详细介绍了以下几个方面：线性调频信号的波形、匹配滤波器、模糊函数、速度分辨力、距离分辨力及抗干扰能力；
The radar waveform not only direct the signal processing, also affect the system resolution, measure precision, power of suppress clutter and so on. So its design and selection is very important.
雷达发射波形不仅决定了信号处理方法，而且直接影响系统的分辨力、测量精度以及抑制杂波能力等性能，因而它的设计和选择至关重要。
For active detection, through the different methods of waveform design, ways to synthesize high-resolution range profiles by different high-resolution signals is researched.
主动探测通过不同的波形设计方法，研究了各种高分辨力信号实现高分辨距离像的方法及其优缺点和应用。
The limit of the range resolution of a LFM radar depends on the bandwidth of transmitted waveform.
线性调频雷达的极限分辨力取决于发射波形的带宽。
Radar range resolution is influenced by its bandwidth, in order to obtain high range resolution, radar must emit wideband waveform.
雷达的距离分辨率与发射信号的带宽成反比，要获得大的距离分辨率，必须发射宽带雷达信号。
As a crucial part of high-resolution waveform inversion and reverse time migration, seismic modeling demands a high efficiency of computation.
作为高精度波形反演或逆时偏移的重要组成部分，地震波数值模拟对计算速度和效率提出了更高要求。
As a crucial part of high-resolution waveform inversion and reverse time migration, seismic modeling demands a high efficiency of computation.
作为高精度波形反演或逆时偏移的重要组成部分，地震波数值模拟对计算速度和效率提出了更高要求。
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