外文翻譯---微波低噪聲放大器分析-其他專業(yè)(存儲版)
【正文】 he product the development cycle has played a very perfect effect. Active simulation software to agilent development of ADS most powerful software, after practice, through the ADS simulation software design out of the low noise amplifier, after circuit simulation and electromagic field after hybrid simulation, the actual test results and simulation of the results is good, index is satisfactory. Therefore, in the puter technique highly development today, and ADS and microwave circuit simulation software such as low noise amplifier active software research and development, can effective improve the design precision, shorten the development cycle. 翻譯 ： 微波低噪聲放大器分析 微波的發(fā)展是與無線通信的發(fā)展是分不開的。 20 世紀 20 年代初人們發(fā)現(xiàn)了短波通信，直到 20 世紀 60 年代衛(wèi)星通信的興起，它一直是國際遠距離通信的主要手段，并且對目前的應急和軍事通信仍然很重要。由于其通信的容量大而投資費用?。s占電纜投資的五分之一），建設速度快，抗災能力強等優(yōu)點而取得迅速的發(fā)展。而各種通信系統(tǒng)中最關鍵的電路之一就是放大器。因此，在計算機技術高度發(fā)展的今天，利用 ADS 等微波電路仿真軟件進行低噪聲放大器等有源軟件的研究和開發(fā)，可以有效的提高設計精度，縮短研發(fā)周期。 隨著計算機技術的高度發(fā)展，應用于微博電路設計的仿真軟件也層出不窮。國外發(fā)達國家的微波中繼通信在長途通信網中所占的比例高達 50%以上。例如，中波主要沿地面?zhèn)鞑?，繞射能力強，適用于廣播和海上通信。s satellite munication, mobile munications, digital HDTV transmission, general highspeed cable/wireless access, and high quality of the magic recording and many other fields of signal design and signal processing applications, which plays an important role. In developed countries in the microwave relay munication long distance munication work the proportion of as much as 50% or more. According to statistics, the United States is
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