声场声信息国家重点实验室年报 第2卷PDF电子书下载

声场声信息国家重点实验室1992年年报目录Spatial Coherence in Multipath Underwater Acoustic Channels Wang Dezhao，Zhang Renhe and Wang Qin 1

A Ray-Mode theory of Surface-Generated Ambient Noise in the Sea Zhu Baixian and Zhang Renhe 5

The WKBZ Adiabatic Mode Approach to Sound Propagation in Gradually Range-Dependent Channels Zhang Renhe Liu Hong and He Yi 9

The WKBZ Mode Approach to Sound Propagation in Horizontally Stratified Oceans He Yi，Zhang Renhe anf Liu Hong 13

A Theory on Spatial Correlation and Vertical Directivity of Surface-Generatedambient Noise in the Sea Zhang Renhe and He Yi 17

海面噪声的空间相关与垂直方向性理论 张仁和、朱柏贤、吴国清、侯温良 27

海洋声场的广义相积分简正波方法 何怡、张仁和、刘红 35

分层海底参数分布反演稳定性判据实验验证 林俊轩 40

Time-Frequency Relations Between the Active Sonar Channel，Waveformand Receiver Zhu Ye 46

海洋时变声信道的二维Wigner-Ville谱 朱埜 52

论阵形畸变的拖曳式线列阵的工作方式的选取问题 李启虎 62

Short Range Underwater Acoustic Communication Systems Zhu Weiqing，Zhu Ye，Mu Li and Li Ge 68

莱斯和瑞利信道中FSK卷积码的统计特性 朱维庆 72

多途信道中卷积码的统计特性 朱维庆 78

Some Applications 0f Neural Network Classifier Thchniques to Sonar Beamforming Gong Xianyi，Yan Qi and Song Mingkai 85

广义指向性信号模型的基阵处理 竺士蒙、宋明凯、宫先仪 94

An Algorithm of Adaptive step Size Factor in Adaptive Filtering Chen Geng 101

Using Multi-Node Method to deal with Discontinuous Points in Sound FieldCalculation Guo Peng，Wang Hongzhen and Zhu Wuhua 110

二维Hartley变换快速算法及应用研究（Ⅰ） 杨文胜 115

Hartley变换法各向异性介质弹性波场仿真 尧德中、阮颖铮 121

Narrow-Band Signal Detection using neural network pre--processor Hou Ziqiang and Du Limin 126

Neural Network Processing for Adaptive Line Enhancement Du Limin and Hou Ziqiang 131

Optimum Block-Adaptive Learning Algorithm for Error Back PropagationNetworks Du liming，Hou Ziqiang and Li Qihu 136

优化分层学习率分块处理BP算法 杜利民、侯自强 143

快速误差反向传播学习算法——自适应学习率算法 杜利民、侯自强 148

多层前馈神经网络快速学习算法的实现 杜利民、侯自强 155

神经网络与DTW两种识别方法的比较 杨树林，柯有安 163

提取血管特征参数的研究 王仁乾、陈亦娟、李迎春 168

A Novel Beamforming Approach Based on DSP Chips Zhang Yanwu，Ma Yuanliang 177

Research on Algorithms for Ultrasonic Reflection M ode Tomography Based on Fullor Partial Projections Chen Yanhua，Lan Congqing and Xu Keke 182

Research on algorithms for ultrasonic reflection mode tomography Chen Yanhua，Lia Congqin and Xu Keke 187

反射式超声计算机层析成像算法研究 陈彦华、兰从庆、许克克 195

Zigzag emitting array synthesis aperture acoustical holography Xia Xianhua and Zhang Dejun 202

曲折阵综合孔径声全息成像 夏献华、张德俊 210

Elastic Wave Diffraction field Generated by a Source with Finite Aperture on Surfaceof Anisotropic Medium Wang Chenghao and Xu Lian 218

压电晶体表面有限孔径源所产生声表面波的衍射场 汪承灏、范怀字、范思奇、刘援 223

Numerical Study on the Acoustic field of a Fluid-Filled Borehole in an ElasticMedium Zhang Hailan and Li Mingxuan 232

The Visualization of the Low Frequency Acoustical Radiation Field Zhang Dejun，Xia Xianhua，Yan Jin，Cheng Jianzhen，Zhu Nianqiu and Wang Qun 240

矩阵奇异值分解的计算机实现 夏献华、张德俊 247

Maximum Likelihood Estimation of Object Parameters in ultrasound ReffectiveComputerized tomography Wang Xiaolong and Lan Congqing 251

A Comparative Study of F0 Patterns Between Chinese and Other Languages Zhang Jialu and Hu Xinghui 260

Chiness Text-t0-Speech System Based on Parallel Formant Synthesizer Lu Shinan，Zhang Jialu and Qi Shiqian 266

蒙古语察哈尔话元音松紧的声学分析 鲍怀翘、吕士楠 271

混响声场的有源控制 马大猷 279

声像法及矩形室内声能流涡旋 李沛滋 288

机场周围飞机噪声评价方法的研究 郑大瑞、蔡秀兰 299

次声噪声场的测量与分析 谢金来、杨训仁 311

二胡的声学特性 陈通、蔡秀兰、郑敏华 316