Pal signal system : " 420 tv lines br level of clarity : " br synchronous system : the same day the " br 48db snr 水平清晰度: 420電視線同步系統(tǒng):內(nèi)同步信噪比: 48db
Pal signal system : " br standard - resolution 480 tv lines : " br synchronous system : the same day the " br 48db snr 信號系統(tǒng): pal制式水平解晰度: 480電視線同步系統(tǒng):內(nèi)同步
Secondly , it is introduced that the new - typed digital valve is applied to the double - cylindered synchronous system . the operating principle is analyzed 其次,文中介紹了該閥在雙缸同步系統(tǒng)中的應(yīng)用,剖析了其工作原理。
And in this foundation , unified the kalman filter to make the improvement to the carrier recover algorithm , enhanced the synchronous system performance 并在此基礎(chǔ)上,結(jié)合卡爾曼濾波器對載波同步算法作了改進(jìn),提高同步系統(tǒng)性能。
We present the composition methods for asynchronous and synchronous systems respectively , which are modeled by uml collaboration diagram and statecharts 本文根據(jù)uml協(xié)同圖和各對象的statecharts ,分別針對異步和同步模式提出對象合成的方法,以驗(yàn)證整個系統(tǒng)的性質(zhì)。
The developments of this digital synchronous valve and the application to hydraulic synchronous system can be founded on these results . and it is ready for the perfection of the digital valve 本文的工作為該數(shù)字同步閥的研究及其應(yīng)用打下了一定的基礎(chǔ),也為后續(xù)的數(shù)字閥為控制元件的產(chǎn)品完善作了前期準(zhǔn)備。
This article take the synchronous system in the dvb - c receive front - end as a center . detaile discussing symbol synchronization and carrier recover , discussed with emphasis based on the software radio thought algorithm 本文以dvb - c接收前端的同步系統(tǒng)為中心,詳細(xì)的討論了符號同步和載波恢復(fù),重點(diǎn)研究了基于軟件無線電思想的算法。
Take this as the premise , this article has constructed one kind synchronous system on the based of the software radio thought , this synchronous system has realized the qam receive signal symbol synchronization and the carrier recover 以此為前提,本文構(gòu)建了一種基于軟件無線電思想的同步系統(tǒng),此同步系統(tǒng)實(shí)現(xiàn)了qam接收信號的符號同步和載波恢復(fù)。
This paper explicitly describes the optical measurement of the electric parameters in the high - voltage electric power system , and an optic fiber large current sensor based on farady magnetooptic effect and an optic fiber high voltage sensor based on the linear transformation characteristic of led are developed from research on both theory and experiments . by combining the two sensors to form a synchronous system , the task of harmonic analysis , phase demodulation , power and wattless power computation is accomplished , which helps to monitor and control the electric power system 本文詳細(xì)論述了電力系統(tǒng)高壓電網(wǎng)電參量的光學(xué)測量的一種實(shí)現(xiàn)方法,從理論和實(shí)驗(yàn)兩方面研究了基于farady磁光效應(yīng)的光纖電流傳感器及基于led線性電光轉(zhuǎn)換特性的光纖電壓傳感器,并聯(lián)合兩種傳感器形成了電壓、電流的同步測量系統(tǒng),實(shí)現(xiàn)了諧波分析、鑒相及有功、無功功率的計(jì)算,可對電能質(zhì)量進(jìn)行監(jiān)控。