该系统能够感应多路振动加速度信号,同时完成对信号的滤波,采集和分析处理。
The system could induce multi-channel vibration acceleration signals and complete signal filting, acquiring and analysis processing.
对磁电式速度传感器采集的水泵轴承振动信号分别进行了短时傅立叶变换、小波变换、小波包变换。
The vibrating signals collected from pump bearings by a velocity sensor were analyzed with short time Fourier transform(STFT), wavelet transform(WT) and wavelet packet transform(WPT) in the paper.
受数据采集条件限制,振动台模型实验的速度和动位移时程一般由实测加速度时程信号进行积分得到。
In shaking table model tests, dynamic displacement and velocity are always obtained by integration of measured acceleration because of the restricted condition of data sampling.
所以选用恰当的硬件,编写合适的软件,组建既经济又实用的压电加速度低频信号采集系统是十分必要的。
It is necessary to choose the right hardware, write the right soft ware and found the economical and applied low-frequency signal gathering system.
数据采集速度的提高和信号处理算法的要求,相应地对数据存储的速度和效率的要求也越来越高。
With the sampling rate of ADC becoming higher and the requirement of algorithm of information processing, the data storage system must store data with higher speed and higher precision.
这样既可以提高系统的采集速度,又可以保证A/D转换器工作在较佳的转换区域,以减小A/D转换器对较弱信号转换时的误差。
So the data collection is speeded up, the better conversion region and less error for weak signals of A/D converter are ensured.
文章给出了CCD在动态数据采集过程中实时跟踪信号的变化来调整采集速度和信号增益的方法。
This paper is on the methods of CCD on the adjustment in collecting speed and signal gain by tracing signal changes at real time in the course of dynamic data collecting.
首先系统中采用较为先进的16位单片机80c 196MC对底层信号进行采集,大大提高了信号的处理速度。
First, in this system, advanced 16-bit microprocessor 80c196mc is used to sample signals from industry cense. This makes it impossible to have a higher speed in data processing.
利用链表结构和USB海量传输事务,实现了对铅球加速度信号的采集、存储和传输。
Using the list structure and bulk transaction of USB, the sensor successes to gather the acceleration signal, saves the data to flash and transmits to PC.
但采集到的数据在传输和存储时仍会受到后端信号处理部分其他器件速度的限制。
But the transmission and storage of the sampled data are limited by the speed of other signal processing devices, which used in the back-end of the system.
研究了获取管道振动噪声干扰特征的方法,介绍了基于加速度传感器的管道振动信号的采集。
A method of acquiring pipeline vibration noise is studied, and sampling of pipeline vibration signals using an acceleration sensor introduced.
通过对安装在反应堆压力壳上的多个加速度传感器的信号进行采集,并经过信号预处理、时频变换、神经网络计算等过程,实现对核电站松动件碰撞位置的定位。
The loose part impact positions are located by analyzing signals from accelerometers mounted on the reactor vessel with signal pre processing, time frequency transforms, and neural networks.
为了加快科学级CCD相机图像数据的计算机采集速度,设计了CCD信号读出、A/D转换、数据传输流水线工作方式采集系统,不提高电荷转移速度的情况下快速采集图像。
To increase the speed of data acquisition of CCD image by computer, an pipelining mode acquisition system of CCD readout, A/D conversion and data transfer is designed.
扫描测量和数据采集速度快,信号测量精度高,各种电位分布图形清晰直观;
The functions of the measurement system include scanning of microelectrode, acquiring and smoothing of experimental data and displaying of three kinds of potential distribution maps on the plotter.
根据实际工程需要,提出了基于计算机测试系统中,在采集振动加速度信号的基础上,精确测量位移振幅的方法。
A new method of vibration displacement amplitude measurement based on computer focus on the requirement of engineering is introduced.
系统选w 78le516单片机和CPLD来构造控制电路,用读写速度快、功耗低的低电压外部数据存储器CF卡存储采集完的信号。
The system select W78LE516 MCU and CPLD to construct the control circuit and use quickly read and write low power consumption, low-voltage external data memory CF card to save the signal.
系统选w 78le516单片机和CPLD来构造控制电路,用读写速度快、功耗低的低电压外部数据存储器CF卡存储采集完的信号。
The system select W78LE516 MCU and CPLD to construct the control circuit and use quickly read and write low power consumption, low-voltage external data memory CF card to save the signal.
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