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Compressed Sensing for Multistatic Radar Systems with Arbitrary Block Codes

机译:任意块码的多晶雷达系统压缩传感

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Multistatic radar systems with multiple elements at transmitting and/or receiving side permit multiple target observations from different viewpoints providing various advantageous. In an environment with multiple transmitters the emitters may transmit independent waveform or use a coding structure to emit pulses across antennas over a predetermined coherent time-interval. In this work we extend the principles of employing orthogonal block codes for this purpose and emphasize on arbitrary or randomly designed block codes with a compressed sensing based detection at receiver. By employing a compressed sensing approach only a subset of incoming data needs to be stored and processed thus significantly reducing the sampling and integration requirement at the receivers. We show that the use of more general type of block codes allows for greater flexibility and better performance in target detection and are hence more suitable for compressed sensing methods than orthogonal, or quasi-orthogonal, block codes. Through simulations it is validated that such a system can operate well and compressed sensing techniques allow for data reduction and improved detection with a shorter dwell period.
机译:具有多个元件的多晶雷达系统在发送和/或接收侧的多个元件允许来自提供各种有利的不同视点的多个目标观察。在具有多个发射器的环境中,发射器可以在预定的相干时间间隔中传输独立的波形或使用编码结构在天线上发射脉冲。在这项工作中,我们为此目的采用正交块代码的原理,并在接收器处强调具有基于压缩的感测的基于压缩检测的任意或随机设计的块代码。通过采用压缩感测方法,只需要存储和处理进入数据的子集,从而显着降低接收器的采样和集成要求。我们表明,使用更一般类型的块代码允许更大的灵活性和更好的目标检测性能,因此更适合于基于正交,或准正交的块代码的压缩感测方法。通过模拟,验证了这种系统可以操作良好的操作,并且压缩传感技术允许数据降低和改进的检测,并且具有较短的停留周期。

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