時基線展寬 的英文怎麼說
中文拼音 [shíjīxiànzhǎnkuān]
時基線展寬
英文
expanded time-base sweep-
In the second chapter, a wideband mimo channel model with multiple - tap was integrated according to the angle of departure of the transmitting signal and its spread angle, the angle of arrival of the receiving signal and its spread angle, power azimuth spectra, doppler spectrum and the geometric construction of antenna array both sides of transmit and receive, on the basis of full research on the theories of space - time channel model proposed in the recent literature
第二章在對最近文獻中提出的一些空時通道模型理論進行詳細研究的基礎上，根據發射信號的離開角及其擴展角、接收信號的到達角及其擴展角、功率方位譜、多普勒譜和收發兩端天線的拓撲結構，綜合了一個多抽頭的寬帶mimo通道模型。Expanded time - base sweep
時基線展寬Variety of timing methods are analyzed and compared, then the scheme of this thesis is made. by combining the traditional counting method with time stretching method, the accuracy and resolution of timing circuit can be greatly improved
基於對已知的幾種計時方法進行的分析和比較，本文選用傳統測量方法與時間線性展寬技術相結合的方法實現時間間隔的高精度測量。The history ^ culture ^ external opportunities and threats ^ internal strengths and weaknesses of l - g have been analysed deeply by using the basic theory and analysis methods of strategic management. there existing external opportunities, such as : broadband network construction, hfc ( hybrid fiber - coax ) upgrading reconstruction, catv digitization. also there existing threats, such as : uncertainty policies and substituted technologies. only a correct company strategy what fully utilize the external opportunities and avoid the internal weaknesses, can a company is promoted to develop
本文利用戰略管理的基本理論和分析方法，對中國有線電視的現狀和發展、行業內的競爭和競爭對手的優劣勢做了客觀真實的對比研究，得出了對外部環境給公司的發展提供了巨大的發展機會，如：寬帶網建設、 hfc雙向網改造、有線電視的數字化、 「三網融合」 、有線電視網的多功能開發等，同時也有政策的不確定性和技術風險等威脅。The micro - satellites cooperate together to accomplish one or more tasks, which has equivalent function with a big satellite. the new model system can provide more baseline and contribute to data fusion. it has much more advantage than conventional single spaceborne sar system because its baseline selection is agile and alterable
由於採用多星協同工作，該系統在保持高解析度情況下可實現寬測繪帶成像、動目標檢測以及地面高程測量等多項任務，並且這種分散式衛星能提供靈活多變的基線組合，可提升系統性能和擴展系統功能，同時提高衛星生存能力、實施規模生產和降低發射費用，具有傳統星載sar無法比擬的優勢。分享友人