When receiving a START signal, the JAX-9A automatically sets the IOC and the scanning speed, matches phases and starts to record the facsimile signal. 当收到启动信号时,传真机自动设置IOC和扫描速度,匹配相位并开始记录传真信号。
Newspaper facsimile signal is a two-level high resolution ratio high rate signal and contains a large number of informations. 新闻报纸传真信号是一种高分辨率、高速率和大信息量的两值信号。
Band compression of facsimile signal 传真信号的频带压缩
The hardware and software scheme of access system of meteorological facsimile image are given on the basis of facsimile signal characteristics. 在分析传真信号特性基础上,提出相应的气象传真图接收系统硬件设计方案和基于微机的软件恢复系统设计与实现。
Waveform correction in personal computers, word processors, printers and facsimile signal lines, and provides radiated noise countermeasures in interfaces and harness connecting parts. 个人计算机,文字处理,列表机,传真机等信号线的波形修正,并提供接口及辐射噪声交叉测量。
Finally the dissertation uses DSP to carry on the implementation about the meteorological facsimile signal digital demodulation module. 最后设计了基于DSP(TMS320C6713)的气象传真信号数字解调模块。
This paper discusses the theory and method of the receiving and spotting technology of the meteorological facsimile maps, including the method and theory of exchange of signal, binary of image, thinning, vectoring, spotting and pick up of isobar. 本文研究讨论了利用计算机接收识别传真天气图的理论和方法,包括:传真天气图的计算机接收、信号转换、图像的二值化、细化、矢量化以及等压线的识别与提取的理论和方法。
Facsimile Demodulation/ Remodulation for DCME V.29 9600bit/ s Signal DCME的V.299600bit/s传真解调/再调制技术
This article conducts the meteorological facsimile signal digital demodulation technology research; it establishes certain foundation for realizing the high performance, the microminiaturized meteorological facsimile digital receiver. 本文进行了气象传真信号数字解调技术的研究,为实现高性能、小型化的气象传真数字接收机奠定一定的基础。
Analysis of multi-rate facsimile signal for DCME DCME中多速率传真信号的分析
Carrier Recovery and Timing Extraction of Facsimile Signal Demodulation in DCME DCME中传真解调的载波同步、定时提取研究
Presently, the widely used G3 facsimile comes into contact with image processing, computer communications, digital signal processing and so on, becoming a digital processing device which has strong power. 目前广泛使用的三类传真机融合了图像处理、计算机通信和数字信号处理等多种技术,正逐步发展成为强大的数据处理终端设备。
The first part, with DSP as the controller and processor, is used to receive and demodulate facsimile signal, It includes many circuit units, such as RF signal processing circuit, IF signal processing circuit, processor circuit clock circuit and power circuit. 其中,射频前端处理模块以DSP作为控制器和信号处理器,实现传真信号的接收控制和解调,包括射频信号处理电路、中频信号处理电路、处理器电路、时钟电路和电源电路。
Based on the analysis of communication process in T.30 and data frame of HDLC, the software part achieves the software implementation of the facsimile signal collection by phases. 软件部分以分析T.30规程建议的通信过程和HDLC数据帧格式为基础,分阶段完成了对传真信号采集的软件实现。