A new combined Surface Acoustic Wave (SAW) convolver, or a serial searching code acquisition scheme for direct sequence spreading spectrum (DSSS) communication system is presented.
提出了一种用于直接扩频通信系统（DSSS）快速捕获，新型组合声表子波（SAW）卷积器序列搜索码捕获方案。
Vibrations of an excited U-shape pipe and its radiation field are investigated by using FEM software ANSYS and acoustic BEM code SYSNOISE.
利用有限元软件AN SY S和声学边界元软件SY SNO ISE对U型管道结构的受激振动与辐射声场进行分析。
Direct sequence code division multiple access (DS/CDMA) as a technique for underwater acoustic networks is attracting attention from researchers.
直接序列码分多址（DS/CDMA）是一种受关注的水下声通信网多址接入方案。
Elegant and stylish appearance, graceful and clear acoustic quality, with the remote control function, you can use the remote control to set the sound box frequency, address code and volume.
外型美观大方、音质优美清晰。带遥控功能，可用遥控设置音箱的频率、地址码、音量。
Elegant and stylish appearance, graceful and clear acoustic quality, with the remote control function, you can use the remote control to set the sound box frequency, address code and volume.
外型美观大方、音质优美清晰。带遥控功能，可用遥控设置音箱的频率、地址码、音量。
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