数字信号处理

In digital signal and image processing and digital communications, a continuous signal is usually represented and processed by using its discrete samples.

在数字信号和图像处理以及数字通信中，一个连续信号通常用它的离散采样表示。

The system consists of signal acquisition systems, signal processing, show circuit and control circuits, and other components, through the acquisition by Hall sensor voltage signal to the amplifier will signal amplification, and then in the A / D converter after the digital signal into the microcontroller , Through the SCM software programming by the magnetic field signal, the final adoption of LED display to the magnetic field strength.

该系统由信号采集系统、信号处理、显示电路和控制电路等组成，通过霍尔传感器采集得到电压信号，再经放大器将信号放大，然后在A/D转换后将数字信号送入单片机，通过单片机软件编程得到磁场信号，最后通过LED显示出磁场强度。

The sending end when the use of pulse modulation approach will be a binary digital signal into a frequency modulation of the pulse sequence, and driver fired infrared tube to the form of light pulses sent receiver will receive the pulse of light conversion to electrical signals , and then, after amplification, filtering and other treatment to the demodulation circuit after demodulation, reduced to a binary digital signal after the output.

发送端采用脉时调制方式，将二进制数字信号调制成某一频率的脉冲序列，并驱动红外发射管以光脉冲的形式发送出去；接收端将接收到的光脉转换成电信号，再经过放大、滤波等处理后送给解调电路进行解调，还原为二进制数字信号后输出。

This dissertation introduces the developmental status of the LLL processing technology research and the history of the development of DSP.

论文介绍了微光图像处理技术的发展状况，结合高速数字信号处理器的发展历史，在对基于高速数字信号处理器的微光视频图像处理器的硬件实现方案研究的基础上，重点进行了系统软件的研究与设计。

This article introduces the conversion of the video signal(SAA7113),the processing of the video signal and the operation principle and procedure of the correspondence with PC machine in the system.

研制了一种基于FPGA+DSP的数字视频信号处理系统，详细分析了系统中视频信号的转换(SAA7113)、视频信号的处理以及与PC机通信的工作原理和流程。

The frequency spectrum of noise is very wide, and will superpose with useful signal that has the notable influence to digital measurement and frequency spectrum analysis. Base on it, the method of solving zero floating problem of Waveform digital reconstruction process is proposed.

噪声的频谱噪声频谱很宽，将与有用信号的频谱重叠，对数字测量、信号处理和谱分析有显著的影响，并提出了解决波形数字重构中数字示波器零漂影响的方法。

In the microcomputer monitor and control system we often require to acquisit all kinds of analog and digital signals fitstand then use the microcomputer system to process and analysis all kinds of the signals which we have acquisited,after that we can only use the processed and analyzed signals to control the object which we want to control.

在微机测控系统中，经常需要采集各种模拟、数字信号，再利用微机系统对采集到的信号进行分析处理，之后才能利用经过分析处理的信号对控制对象进行控制。

BAW is used to on-line monitor the effluent from IC column.

在实际中，以SPQC-BAW技术对离子色谱流出物进行在线监测，可得到响应信号为频率的色谱图，具有很高的灵敏度；利用本室设计的频率/电压转换电路可将频率数字信号转化为模拟电压信号，从而为常用的色谱工作站或色谱数据处理设备接收、利用和处理，实现IC-BAW自动化分析。

It is an important disquisitive direction in the area of night vision technology.This dissertation introduces the developmental status of the LLL processing technology research and the history of the development of DSP. On the base of the study about the hardware-realizing scheme of LLL video processor centered about DSP, this dissertation primarily studies and designs the system software.

论文介绍了微光图像处理技术的发展状况，结合高速数字信号处理器的发展历史，在对基于高速数字信号处理器的微光视频图像处理器的硬件实现方案研究的基础上，重点进行了系统软件的研究与设计。

This graduated design program, data collection ware produce is the only flat machine of 89 C51 that uses the company of ATMEL with AD0809 chip do a collection simulated voltage signal, conversion number word signal passes string mouth again by only flat machine to dispatch to the handling of personal computer, additionally, 3 number pipe LEDs show the digital information of collection.

本次毕业设计课题，数据采集器制作，是利用ATMEL公司的89C51单片机和AD0809芯片做一个采集模拟电压信号，转换为数字信号，再由单片机经过串口发送给PC机处理，另外三个数码管LED显示采集的数字信息。关键字：单片机，数据采集，信号处，AD0809芯片

But we don't care about Battlegrounds.

但我们并不在乎沙场中的显露。

Ah! don't mention it, the butcher's shop is a horror.

啊！不用提了。提到肉，真是糟透了。