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Efficient use of data structures for digital monopulse feature extraction

机译:有效利用数据结构进行数字单脉冲特征提取

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Abstract: Data structures that are carefully matched to the processing technology used to implement them can lead to cost-effective designs for radar signal classification/sorting devices. During the past decade, HRB Systems has developed several generations of devices for use in sorting radar signals. The older devices employed analog demodulators and complicated post- demodulation processing to generate a large feature vector containing a set of parameters describing each measured pulse. Clever use of algorithmic data structures specifically tailored to exploit the capabilities of VLSI ASIC fabrication technology eliminated the need for multipliers, making possible a digital demodulator that is much smaller, faster, more reliable, and less expensive than the analog versions. Little information is lost when much smaller feature vectors are used to describe the pulses, enabling further substantial reductions in the complexity of the post-demodulation processing. As a result, the new feature extractor has a price/performance ratio over a hundred times better than the older devices. A four-chip implementation of the new feature extractor is described.!
机译:摘要:仔细匹配用于实现数据结构的处理技术的数据结构可以导致雷达信号分类/分选设备的经济高效设计。在过去的十年中,HRB Systems开发了几代用于分选雷达信号的设备。较旧的设备采用模拟解调器和复杂的后解调处理来生成大的特征向量,其中包含描述每个测量脉冲的一组参数。专门为利用VLSI ASIC制造技术的功能而专门设计的算法数据结构的巧妙使用消除了对乘法器的需求,从而使数字解调器比模拟版本小得多,更快,更可靠且更便宜。当使用更小的特征向量来描述脉冲时,几乎没有信息丢失,从而可以进一步大幅降低解调后处理的复杂度。结果,新功能提取器的性价比比旧设备高出一百倍。描述了新特征提取器的四芯片实现。

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