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91. Equipped with electronic intelligence (ELINT), bow-mounted sonar, optical and acoustical surveillance systems, the ship was designed to collect foreign ship intelligence in offshore waters.

92. At last, a suitable sonar signal waveform and the frequency coding scheme are presented.

93. According to the tactical background that submarines use thermocline to escape active sonar, the effect of thermocline on active sonar searching submarine was studied.

94. SONAR both supports Automatic Speaker Recognition and Automatic Speech Recognition.

95. The thesis presents and implements a novel module - based Speaker recOgnitioN softwAre platfoRm ( SONAR ).

96. Simulation method and hardware system of multi - target multi - parameter sonar signal are described in this paper.

97. With the rampant expansion of activities of frogman invasion, sonar for detecting frogman has attracted great attention, and thus systems for ensuring underwater security are suggested.

98. The 3D imaging sonar adopts the universal high-speed signal processing mini-platform which uses TMS320C6416 as its main processor to accomplish the arithmetic.

99. In order to detect and monitor targets in broad sea environment, the modeling and simulation of passive sonar array nets have been studied in this paper.

100. In the littoral environment, the bottom scattering is one of the most important factors for limiting the performance of active sonar.

101. Then parameters of each slave-system are obtained by analyzing the active sonar equation. It makes designs of transmitter and receiver circuit hold water theoreticly.

101. Sentencedict.com try its best to collect and create good sentences.

102. Extended spirality searching model of dipping sonar and submarine moving models were built.

103. Target motion analysis ( TMA ) is an important problem for sonar.

104. In this dissertation, we study a supergain array to improve the detection performance of passive sonar.

105. The largest of the microbats, this white-furred cave dweller found across northern Australia also counts lizards and frogs among its prey, and uses its eyes as well as sonar to hunt.

106. The sonar installation platform is equipped with the sonar array which is isolated with the inner part of the towed body housing.

107. Each sensor node makes a local decision according to the characteristics of sonar receiver and sends it to the fusion center node.

108. Compared to experimental data, this method is better than other classical methods and improves PSNR of processing result and edges keeping of the sonar image effect.

109. Passive sonar technology is applied in the fishery detector system for the first time as well.

110. Recently in the analysis of active sonar signal detecting performance, the statistical model of reverberation envelope is assumed to be in accord with Rayleigh-distribution in computer simulation.

111. The algorithm makes sure of ranging underwater moving targets by two sonar array.

112. At present simulation research has infiltrated into every aspect of acoustic engineering and technology and become an important method of sonar equipment's research and development.

113. The texture feature set of sonar images is established by extracting co-occurrence matrix and statistical features of wavelet package coefficients of images.

114. The sonar display console plays an important role in displaying the result of signal and information processing suitable for the operators.

115. The results of simulation show that adaptive noise cancelling techniques could cancel the strong noise generated by the ship to restrain the noise from disturbing the sonar.

116. A signal source in sonar receiver′s testing is designed, its working principle is based on DDS technology and log DAC.

117. The design of servo system for pitch attitudes of a mine hunting sonar array was made using frequency domain control and variable structure control respectively.

118. Sonar to control. The bottom is rising. Range one thousand yards to the continental shelf.

119. Its goals: to use acoustic imaging, sonar, and 3-D video to virtually preserve Titanic in its current state and to help determine just how far gone the shipwreck is and how long it might last.

120. For radar and sonar systems, wideband condition has more applications and suitability than narrowband condition.