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- DSP card is used for video signal sampling and image data processing. DSP高速数字信号处理板做从机,主要负责图像信号的实时采集和图像数据的实时处理。
- This article presents a composite video signal sampling system based on CPLD. 介绍了一个以CPLD为控制单元的黑白全电视信号采集系统。
- In this paper a new design for orthogonal three channel ECG and PCG signal sampling system was introdued. 本文介绍了一种正交三导联心电和心音信号采集系统。
- The key to the design of feeble signal sampling system lies in the designing of ultra low noise preamplifier. 设计超低噪声前置放大器是设计微弱信号采集仪器时不可回避的技术问题。
- The single-chip system accomplishes the signal sampling and the data transmission. 单片机采集、数据通讯系统完成电路状态的采样和数据传输任务;
- This system includes signal sampling and processing, fuzzy recognition of anode effect, and database modules. 本系统包括信号采集与处理、阳极效应模糊辨识、数据库及管理等模块。
- Based on the monitoring requirement on the main ventilators at coal mines,this paper put forward the principle for designing signal sampling device at large section ducts. 结合煤矿主通风机监测的要求,提出了大截面风道流量信号采集装置的设计原则,并设计了变截面、全压管、复合管、背压管流量信号采集装置;
- Chapter 2 is theory which disposable VHF jammer based on ,including theory of bandpass signal sampling 、multi-rate signal process and high effective digital filter technology . 第2章从理论上探讨了干扰机设计所依赖的基本理论:采样定理是软件无线电的理论基础,多速率信号处理、高效数字滤波理论是VHF一次性干扰机实现的理论依据;
- In this paper, the methods of the biomedical signal sampling, calibrating and scale translating of experiment parameter in pharmacolgical experiment are introduced. 本文介绍了药理学实验中,实验信号的标定,采样,和实验参数的标度变换等项功能的实现。
- SOC is used to integrate data acquisition and sensor signal sampling in one module,thus the signal acquisition is achieved on the rolling axis and the precision is rised. 采用SOC技术将数据采集与敏感弹性元件置于一体,在旋转轴上完成了扭矩信号的智能采集,提高了测量精度。
- The coding flow including analog audio signal sampling and PCM coding using CODEC, MP3 coding of digital audio signal using DSP, MP3 compressed data frame transmission to personal computer (PC) using Peripheral Component Interconnect (PCI) bus. 它的主要工作流程为:先用音频编解码器对音频信号进行采样得到数字音频信号,然后用DSP对数字音频信号进行MP3压缩编码并送入双口RAM,最后通过PCI总线将压缩编码后的MP3数据帧实时传送给PC机。
- The working principle of the new viscosimeter with quartz crystal is discussed in this paper.The method for probe design and the constitution of signal sampling and processing system are presented. 本文讨论了新型石英晶体粘度测量仪的工作原理,介绍了探头设计的方法以及信号采集和处理系统组成。
- Fundamentals of IF (Intermediate Frequency) bandpass signal sampling and quadrature detection are discussed, especially the coherent mixing LPF method and Hubert transform frequency-shift method. 摘要结合对带通采样定理的理解,讨论了直接中频带通信号采样正交检波的基本原理,重点探讨正交混频低通滤波法和希尔伯特变换频移法。
- The fault diagnosis system of the locomotive electric transmission circuit described above is an application system, which include of signal sampling, data transmission and fault identification. 本文研究、设计的机车电传动电路故障诊断系统是一个集信号采集、数据传输和故障识别为一体的应用系统。
- The system was composed of hardware inspecting circuit and related software, and possessed signal sampling, waveform showing, statistical analysis of data, curve repaint and data storing function etc. 该系统由硬件检测电路和相关软件组成,具有信号采集、波形显示、数据统计分析、曲线拟合及数据存储功能。
- The software in this system is basically made up of USB communication software,video signal sampling and processing,optimized HCS(hill-climbing searching) arithmetic and step motor driving software. 软件部分主要包括USB通信、数据采集处理、优化爬山搜索法和电机驱动等组成。
- For the DFT-based Coriolis mass flowmeter, the key problem that greatly influence its precision is how to realize the integral period signal samples. 摘要对基于离散傅里叶变换(DFT)信号处理方式的柯氏质量流量计来说,影响其精度的关键问题是如何实现信号的整周期采样。
- Different picket-fence window causes the different signal sample length, which will bring different results for DFT. 截断窗口长度决定了信号样本长度,不同的样本长度会影响DFT的结果。
- A red light is usually a signal of danger. 红灯通常是危险的信号。
- This method filters the blocks formed of frames and windowed by 2D window.Then the target signal samples are smoothed in local. 采用多帧组合成块的结构进行二维加窗滤波,然后辅以局部平滑的技术,可以有效抑制噪声,并防止乐性噪声出现。