低噪聲行波管 的英文怎麼說

中文拼音 [zàoshēnghángguǎn]
低噪聲行波管 英文
low noise travelling wave tube
  • : 動詞1. (蟲或鳥叫) chirp 2. (大聲叫嚷) make noise; make an uproar; clamour
  • : 行Ⅰ名詞1 (行列) line; row 2 (排行) seniority among brothers and sisters:你行幾? 我行三。where...
  • : Ⅰ名詞1 (波浪) wave 2 [物理學] (振動傳播的過程) wave 3 (意外變化) an unexpected turn of even...
  • : Ⅰ名詞1 (管子) pipe; tube 2 (吹奏的樂器) wind musical instrument 3 (形狀似管的電器件) valve;...
  1. In the system, the low voltage power line is the first signal tunnel without any other relay equipments between customer terminal and substation collector, public telephone line serves as the second signal tunnel between substation and management center computer. as a breakthrough of conventional concept of electricity meter, this thesis initiate a new concept, namely, intelligent power customer terminal ( shortly, customer terminal ), which is developed with spread spectrum plc communication functional and possesses many advanced functions, such as, in addition to electric energy acquisition, guarding against electricity pilfering, preventing wrong connection, protecting malfunction, remote communication ( for example, remote power supply or halt, remote configuration of electricity meter, remote load control, etc ), and so on

    本文首先系統地總結了目前國內外壓電力網數據傳輸技術的研究現狀和存在的問題,在此基礎上,從理論上論證了在壓電網上應用擴頻載數據通信技術的可性和優越性,並重點論述了擴頻載技術抗電力線干擾的機埋;本文提出了一個新穎的基於壓電力線擴頻載通信技術的集中遠抄系統的總體方案,即由用戶終端、集中器和電能理系統所組成的網路系統,其中,用戶終端到配變集中器用壓電力線作為通道,中間無需其他硬體中繼設備,集中器到電能理系統用公用電話網作為通道。
  2. We decide to use seven - sections coupled - line filter after comparing the various filter circuits, and complete the quantitative analysis and optimization design by ads, hfss etc. ( 2 ) three - stages fet low noise amplifier according to the lna ’ s design theory and guide line, we decide to use ne3210s01 fet and choose the form of three - stages, thus we can achieve high stability, low noise and high gain

    通過對各種帶通濾器電路方案進比較,確定採用七階平耦合微帶濾器,並利用ads , hfss等工具進了定量的理論分析和優化設計。 (二)三級聯放大器根據微lna設計原理及指標要求,我們選用ne3210s01系列,並採用三級放大的形式,以期獲得高穩定性,,高增益。
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