Aiming at the diversification of function system and homing modes in the development of submarine-launched torpedo,this paper analyses the advantages in operational application of wake homing torpedo based on its mechanism,such as stronger counter-countermeasure,higher speed,and higher target acquisition probability for selected target.

Under a certain satellite and acquisition probability,the total scan field of the acquisition system will be the minimum during the foundation of links if the scan fields of the single scan of two terminals are equal.

According to the reception principles of GPS receiver, the acquisition probability of GPS receiver to repeater deception jamming is derived in this article, and the probability curves of GPS receiver receiving repeater deception jamming as well as GPS satellite signal is obtained by simulation.

Deduce the FB formula for TSM, combined with the idiographic rule, a kind of mathematical model for capture probability is established, and the relationship between capture probability and scan parameter is analyzed, including the low speed scan and the high speed scan.

The simulation results show that this method has the feature of short synchronization time,high capture probability,low false probability and high anti-jamming performance.

The STAP detector based on maximum SINR is proposed in this paper,Via setting the hypothesis test reasonable,deduces the statistic characteristic,and the relationship between detection threshold and false-alarm probability and detection probability.

This paper proposes the STAP detector based on likelihood ratio rule,through the signal model and the likelihood ratio test,deduces the statistic characteristic,and the relationship between detection threshold and false-alarm probability and detection probability.

Figures of false-alarm probability versus E_c/N_o and figures of detection-probability versus E_c/N_o on AWGN condition are presented.

In order to get lower false alarm probability and higher detection probability, the genetic algorithm (GA) is applied to solve this multipurpose optimal problem which has three parameters: the numbers of C/A code periods and navigation data bits which are used for integral, and the acquisition threshold.

Thus,the closed-form expression of the detection probability and false alarm probability of the system can be derived under some interf.

Under condition of meteorological clutter,how to exploit the outline clutter map and the dynamic clutter map to reduce the false alarm probability and improve detection performance of radar is discussed,and processing the border problem of meteorological clutter is analyzed,finally the complete clutter map is realized by using FPGA.

It introduces the apply of importance sampling on radar false-alarm rate on singularity event-radar false alarm.