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雷达与通信系统一体化可以实现电子资源的共享。提出并设计了一种宽带雷达通信一体化波形——随机调制线性调频步进信号,在实现雷达成像的同时实现数据通信。该信号充分利用现有的随机步进线性调频信号波形设计上的高度灵活性特点,以其子脉冲的载波频率调制通信数据,以子脉冲调频斜率的方向表示地址信息,实现了点到多点通信;分析计算了一体化信号下的信道容量、多址信号的正交性和接收机错误概率等通信性能指标;提出了随机化预处理方法来解决一体化信号在雷达成像中的问题,利用统计相关法实现宽带雷达的一维距离成像,提出并推导了部分参数对成像效果的影响。最后,从通信和雷达成像两方面仿真验证了该一体化信号的可用性和有效性。
The integration of radar and communications systems enables the sharing of electronic resources. A wideband radar integrated waveform is proposed and designed, which is stochastic modulated chirp signal to realize data communication while realizing radar imaging. The signal makes full use of the characteristics of high flexibility in the design of the existing stochastic step chirp signal waveform, modulates the communication data with the carrier frequency of its sub-pulse, and represents the address information in the direction of the sub-pulse frequency modulation slope to realize the point-to-multipoint The communication performance indexes such as channel capacity, orthogonality of multiple access signals and receiver error probability are analyzed and calculated. A randomized preprocessing method is proposed to solve the problem of integrated signals in radar imaging. Statistical correlation method to achieve one-dimensional wideband radar imaging, proposed and derived some of the parameters of the imaging effect. Finally, the simulation and simulation of both communication and radar imaging verify the availability and effectiveness of the integrated signal.