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Radiated noise curve is analyzed in this paper. Radiated noise area can't be covered by acoustic homing torpedo search section in the situation of great angle of attack or small angle of attack. In order to solve this problem, it is pointed out that the ballistic of acoustic homing torpedo should base on two turnings salvo.
The aliasing probability in single and multiple input Linear Automata Signature Registers has been widely studied under the independent bit error model. This paper examines aliasing in a class of Multiple-input Signature Registers (MISR), under the q-ary symmetric error model. By modeling the signature analyzer as two-state Markov process and four-state Markov process, we derived the close aliasing...
Bearing-only or time difference of arrival and bearing tracking are common passive target tracking problems. The problem of how to track underwater target using bearings and time difference of arrival is presented and analyzed. It is well known that the measurement equations are nonlinear and in order to apply the Kalman filter, the equations are linearized or embed the nonlinearities into the noise...
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