排序:上传时间 相关度 下载量 查看数

Acoustic 18

按分类查找:

  • 水声信号功率放大器的设计与实现

    设计了水声信号发生系统中的功率放大电路,可将前级电路产生的方波信号转换为正弦信号,同时进行滤波、功率放大,使其满足换能器对输入信号的要求。该电路以单片机AT89C52,集成6阶巴特沃思低通滤波芯片MF6以及大功率运算放大器LM12为核心,通过标准RS232接口与PC进行通信,实现信号增益的程控调节,对干扰信号具有良好的抑 ...

    /dl/21375.html

    标签: 水声信号 功率放大器

    上传时间: 2013-11-20

    上传用户:qwe1234

  • 基于EZ-USB的数据传输接口设计

    利用EZ-USB接口芯片AN2131Q实现了基于TMS320C5409的水声信号采集及混沌特性研究系统中的高速数据通信,提出了一种采用FIFO缓存芯片实现AN2131Q与TMS320C5409的连接方法,深入研究了EZ-USB序列接口芯片的固件、设备驱动和用户程序开发过程。关键词:AN2131Q; TMS320C5409; IDT72V02;数据通信ABSTRACT: Using AN2131Q as the ...

    /dl/42448.html

    标签: EZ-USB 数据传输 接口设计

    上传时间: 2014-04-03

    上传用户:hahayou

  • This project aim was to build wireless software modem for data communication between two computers

    This project aim was to build wireless software modem for data communication between two computers using an acoustic interface in the voice frequency range (20Hz– 20,000Hz). The transmitting antenna is a speaker (frequency response of: 90Hz – 20,000Hz) and the receiving antenna is a microphone (fr ...

    /dl/272495.html

    标签: communication computers software wireless

    上传时间: 2014-05-29

    上传用户:wangdean1101

  • * acousticfeatures.m: Matlab script to generate training and testing files from event timeseries. *

    * acousticfeatures.m: Matlab script to generate training and testing files from event timeseries. * afm_mlpatterngen.m: Matlab script to extract feature information from acoustic event timeseries. * extractevents.m: Matlab script to extract event timeseries using the complete run timeseries and the ...

    /dl/322475.html

    标签: acousticfeatures timeseries generate training

    上传时间: 2013-12-26

    上传用户:牛布牛

  • Commercially available active noise control headphones rely on fixed analog controllers to drive "an

    Commercially available active noise control headphones rely on fixed analog controllers to drive "anti-noise" loudspeakers. Our design uses an adaptive controller to optimally cancel unwanted acoustic noise. This headphone would be particularly useful for workers who operate or work near heavy machi ...

    /dl/488447.html

    标签: Commercially controllers headphones available

    上传时间: 2013-12-04

    上传用户:dyctj

  • 传感器网络中基于到达时间差有效的凸松弛方法的稳健定位

    We consider the problem of target localization by a network of passive sensors. When an unknown target emits an acoustic or a radio signal, its position can be localized with multiple sensors using the time difference of arrival (TDOA) information. In this paper, we consider the maximu ...

    /dl/513472.html

    标签: 传感器网络

    上传时间: 2016-11-27

    上传用户:xxmluo

  • Radio Wave Propagation

    One of the prerequisites for the development of telecommunication services is the understanding of the propagation of the waves, either acoustic, electromagnetic, radio or light waves, which are used for the transmission of information. In this work, we shall limit ourselves to the study of radio wa ...

    /dl/522083.html

    标签: Propagation Radio Wave

    上传时间: 2020-06-01

    上传用户:shancjb

  • MEMS-based+Circuits+and+Systems

    Over many years, RF-MEMS have been a hot topic in research at the technology and device level. In particular, various kinds of mechanical Si-MEMS resonators and piezoelectric BAW (bulk acoustic wave) resonators have been developed. The BAW technology has made its way to commercial products for passi ...

    /dl/522283.html

    标签: MEMS-based Circuits Systems and

    上传时间: 2020-06-06

    上传用户:shancjb