Analysis of crosstalk in mux and the grouped - layed design 中的信號串擾分析及其分組分層設計
Hardware design of net mux 網(wǎng)絡集中器的硬件設計
Mux : data path multiplexor 多重路徑數(shù)據(jù)訪問
Mux data path multiplexor 多重路徑數(shù)據(jù)訪問
2 . the design of program searching and parsing and de - mux module , which are the application software of the stb , are discussed in this dissertation . 3 利用hi2011芯片及其提供的開發(fā)軟件包進行了有線電視數(shù)字機頂盒的應用程序開發(fā),即節(jié)目搜索及節(jié)目提取程序的設計和解復用通道的軟件設計。
Firstly introduced the basic theory and method with which the analog signal can be convert to digital form , including sampling theory and course , quantification and quantification error , coding , beside those we discussed some applications of sampling technology , the reason of frequency mixture and the method to eliminate it chapter 4 introduced analog mux - switch , for the reason of simpleness we only introduce it briefly 從第3章開始,對數(shù)據(jù)采集的基本理論進行討論,首先介紹了模擬信號數(shù)字化處理中的基本理論、方法,包括采樣過程、采樣定理、量化與量化誤差、編碼,還討論了幾種采樣技術的應用、頻率混淆產生的原因及消除措施。第4章,介紹了模擬多路開關。
Chapter two is data sample of system . it will discuss the data conversion theory , 24bit e - a data conversion , mux - channel switch sampling technology , and emc design . among them , we will introduce the principle and application of ads 1251 , application of photomos technology in mux - channel switch sampling , and emc design with hardware and software of gas feed controller , which has good performance in reliability 第二章介紹系統(tǒng)的數(shù)據(jù)采集,該部分包括24bit -采樣原理、多路信號切換采集技術和電磁兼容設計,其中,主要介紹了ads1251芯片的工作原理和應用, photomos技術在多路信號切換采樣中的應用,以及配氣控制器在硬件、軟件等方面所做的電磁兼容設計,通過這些設計使得系統(tǒng)具有很好的穩(wěn)定性和抗干擾性。
The ca system is the main establishment of the managing digital tv broadcasting . centralized management means that using mux to manage the providing program and services in the head - end of the digital tv broadcasting and multimedia ; using subscriber management system to realize the registering , statisting , managing according to the command of users . set - top boxes ( stbs ) can realize the functions of multimedia services at the side of consumers 集約式管理是指在廣電多媒體寬帶分配網(wǎng)絡的頭端( head - end )用復用器對提供的節(jié)目或稱為服務進行管理,用用戶管理系統(tǒng)( subscribermanagementsystem ,簡稱sms )對每個用戶的要求實現(xiàn)記錄、統(tǒng)計和管理,使整個系統(tǒng)提供的服務精確到每個終端,在用戶端用機頂盒來實現(xiàn)系統(tǒng)提供的各種多媒體服務。