signal n. 1.信號(hào),暗號(hào);信號(hào)器。 2.動(dòng)機(jī),導(dǎo)火線 (for)。 3.預(yù)兆,征象。 call signal 【無線電】呼號(hào)。 an alarm signal 警報(bào)(器)。 an information signal 〔美國〕暴風(fēng)警報(bào)(旗)。 an international code of signals 國際通用信號(hào)。 a signal of distress =a distress signal 船只失事信號(hào)。 adj. 1.暗號(hào)的,作信號(hào)用的。 2.顯著的,非常的,優(yōu)越的。 a signal victory [defeat] 大勝[敗]。 vt.,vi. (〔英國〕 -ll-) 發(fā)信號(hào)[警報(bào)]給(人、船等);用信號(hào)[警報(bào)]通知(暴風(fēng)、危險(xiǎn)等);用動(dòng)作[手勢(shì)]示意;預(yù)示。 a signaling bomb 信號(hào)彈。
The wireless channel based on spread spectrum modulation can assure the digital video signal communication safe and withstanding the high noise disturbing condition 而基于擴(kuò)頻技術(shù)的無線通信信道,為視頻的傳輸提供了保密及抗干擾性能強(qiáng)等優(yōu)點(diǎn)。
In order to solve the problem of measurement-control signal communication in situation, we propose a detail project that the lonworks technique is transplanted to high-voltage power line in this paper 為了解決特殊情況下的測(cè)控信號(hào)傳輸問題,本論文提出lonworks技術(shù)向高壓電力線移植的具體方案。
In the irrigation the water works are remote and scattered, therefore means of signals communication and network structures must be taken into account in the water measurement system 在灌區(qū)中要進(jìn)行集中控制管理,滿足管理現(xiàn)代化的要求,還應(yīng)考慮用合理的通訊方式和網(wǎng)絡(luò)結(jié)構(gòu)將各個(gè)測(cè)站聯(lián)成網(wǎng)絡(luò),建立供水計(jì)量監(jiān)控系統(tǒng)。
Test and modification of wireless microwave power transmission system and wireless control signal communication system are carried out . experimental data are obtained and feasibility of the system is verified . while defectives have been found in the wireless control signal communication system, further improvement suggestions are presented 最后搭建了實(shí)驗(yàn)?zāi)P?,進(jìn)行了實(shí)際調(diào)試,取得了實(shí)測(cè)數(shù)據(jù),驗(yàn)證了系統(tǒng)的可行性,同時(shí)發(fā)現(xiàn)了控制信號(hào)無線通信系統(tǒng)中存在的不足,并提出了進(jìn)一步的改進(jìn)方案。
Test and modification of wireless microwave power transmission system and wireless control signal communication system are carried out . experimental data are obtained and feasibility of the system is verified . while defectives have been found in the wireless control signal communication system, further improvement suggestions are presented 最后搭建了實(shí)驗(yàn)?zāi)P?,進(jìn)行了實(shí)際調(diào)試,取得了實(shí)測(cè)數(shù)據(jù),驗(yàn)證了系統(tǒng)的可行性,同時(shí)發(fā)現(xiàn)了控制信號(hào)無線通信系統(tǒng)中存在的不足,并提出了進(jìn)一步的改進(jìn)方案。
Network designs suitable for the irrigation region are mentioned by analyzing existing network structure and means of signals communication . a typical example concerned with the network design of water measurement is presented, which manage the water works including pump stations, gates and flumes in punan irrigation, shanghai 提出適用于灌區(qū)供水計(jì)量的網(wǎng)絡(luò)設(shè)計(jì)方案,針對(duì)上海松江區(qū)浦南花卉基地,設(shè)計(jì)了供水計(jì)量監(jiān)控系統(tǒng),實(shí)現(xiàn)了整個(gè)灌區(qū)內(nèi)所有量水設(shè)施的實(shí)時(shí)監(jiān)控和用水量的計(jì)量。
Gonow is specialized in r & d and manufacture of digitial video peripheral products , including : pc camera 、 ip camera 、 signal communication camera 、 monitoring camera etc . . and the r & d 、 assembling 、 manufacture 、 sale of above all and digitial video peripheral products . many of the products have the domestic patents . also have passed the demostic quality certification 本公司專注于數(shù)碼視頻周邊產(chǎn)品的研發(fā)與制造,主要產(chǎn)品有:pc攝像頭、ip攝像頭、通信攝像頭、監(jiān)控?cái)z像頭等鏡頭的研發(fā)、裝配、制造、銷售及其他數(shù)碼視頻相關(guān)的周邊產(chǎn)品,并取得多項(xiàng)國家專利,通過了國家質(zhì)量檢測(cè)部門的相關(guān)認(rèn)證。