1) Analog signal pretreatment
模拟信号预处理
2) analog signal preprocessor
模拟信号预处理机
1.
DSP and PCI is chosen to comprise its data acquisition and processing system,serial-parallel resonant technology is used to achieve its wideband impendance matching network and an analog signal preprocessor with large dynamic range is designd.
采用DSP和PCI构建目标模拟器的数据采集处理系统、利用串并联谐振技术实现宽带阻抗匹配,配合大动态范围的模拟信号预处理机,研制了一种宽频带水下目标模拟器。
3) analog signal processing
模拟信号处理
1.
In spite of that DSP has the characteristics such as high reliability, flexibility and low cost, and it has substituted the traditional signal process manner, namely analog signal processing(ASP), the ASP and analog integrated circuits(IC) design weren t out of fashion, moreover,they are playing the unreplaceable role in some given situation.
由于它具有可靠性高,灵活性强,成本低廉等特点,从而逐渐在各个领域代替了传统的模拟信号处理方式。
2.
A switch IC for analog signal processing is designed and implemented, which can fulfill the functions of sampling, weighting, controlling and summing of high frequency analog signals.
本文研究并设计了一种可对高频信号进行取样、加权、控制、叠加的模拟信号处理丌关集成电路，它包括模拟开关、电压基准源和移位寄存器三个功能模块，通过两个高宽长比的高跨导NMOS晶体管实现权值的粗调和微调。
4) Analogue signal processor
模拟信号处理器
5) signal preprocessing
信号预处理
1.
Design and Implementation of Signal Preprocessing for Magnetorheological Fluid Damper Controller Based on DSP
基于DSP的磁流变阻尼器信号预处理
2.
In order to study the application of artificial neural network in gas analysis system,the article chooses gas sensor array and network model training samples to identify CH4 and CO,signal preprocessing algorithms is determined in the experiment.
实验分析确定了信号预处理方法,选取合适的网络模型并创新性的对用于气体种类识别的BP算法进行改进,并研究网络结构和参数的变化对气体分析系统性能的影响,实验结果证明气体传感器阵列与BP算法相结合进行气体成分分析具有一定的可行性,若能进一步调整及完善气体传感器阵列的硬件测量电路,则可开发出用于现实复杂环境的多气体分析系统。
3.
A gas sensor array is combined with artificial neural network which based on Back-Propagation algorithm to form a multi-gas quantitative analysis system,and experiments are done to analyze the influence of the signal preprocessing algorithms,the Back-Propagation network’s structure and parameters and the environment of quantitative analysis on the system’s performance.
将气体传感器阵列与采用BP算法进行训练的人工神经网络模式识别技术相结合形成混合气体定量检测系统 ,通过实验比较了不同的传感器信号预处理方法、BP网络的结构和参数 ,以及测量环境对混合气体定量检测系统性能的影
6) signal pre-processing
信号预处理
1.
In order to solve the effect of high background noise and the difficulty of mixed fault diagnosis,the blind source separation technique was considered as a main tool of signal pre-processing and feature extraction.
针对高背景噪声的影响及混合故障诊断困难这一问题,采用盲源分离技术作为信号预处理与故障特征提取的主要工具,并应用这一新技术解决了故障曝气机WA5齿轮箱振动信号的故障诊断问题。
2.
Eddy current signal pre-processing techniques for noise elimination using the discrete wavelet transform and wavelet packet analysis methods are studied.
应用小波多分辨分解及重构技术和小波包分析技术进行检测信号预处理(噪声和干扰信号分离与去除)的基本原理,结合电涡流扫描检测实验,采用离散小波变换强制消噪法、软阈值消噪法和不同熵准则的小波包分析消噪法对检测信号进行预处理,并以SNR和RMSE为判断消噪效果好坏的标准,进行了效果的比较和优选。
3.
This paper discusses on two methods of eliminating the tendency item in the signal pre-processing,the mean slope method and the least square method,and simulates the algorithms by using the virtual instruments developing environment,LabVIEW,of American NI Company,and makes comparison of these two methods.
讨论了测试信号预处理消除趋势项的两种方法——平均斜率法和最小二乘法,使用美国NI公司虚拟仪器开发环境——LabVIEW对算法进行了仿真,并对这两种方法进行了比较。
补充资料：模拟信号
分子式：
CAS号：
性质： 信息参数表面为给定范围内所有值的连续信号。如连续的气压信号、电压信号和电流信号等。在分析测试中，以谱图形式表示的信号、电压信号等。在分析测试中，以谱图形式表示的信号就是模拟信号。
CAS号：
性质： 信息参数表面为给定范围内所有值的连续信号。如连续的气压信号、电压信号和电流信号等。在分析测试中，以谱图形式表示的信号、电压信号等。在分析测试中，以谱图形式表示的信号就是模拟信号。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条