mixing amplifier 中文意思是什麼
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But up to now, none of them are commercially available. among these technologies, wavelength converters based on cross - gain modulation, cross - phase modulation and four - wave mixing in semiconductor optical amplifier is the mainstream of research
其中，基於半導體光放大器中的交叉增益調制、交叉相位調制和四波混頻效應的波長轉換技術是研究的主流方向。 -
In wavelength conversion based on four - wave mixing ( fwm ) in soa, balance efficiency can be obtained in larger range when increasing saturation power of the optical amplifier and decreasing the saturation power of spectral hole burning and carrier heating
而在基於soa的四波混頻（ fwm ）波長轉換中，在提高光放大器飽和功率的同時減小光譜燒孔（ shb ）和載流子加熱（ ch ）飽和功率可有效提高較大頻率間隔處的轉換效率，並保持其在較大頻率失諧范圍內的效率均衡。 -
Secondly, the mmic 20 - 40ghz hmmc - 5040 amplifier is used to realize the phemt frequency converter. the feasibility of up / down converter using phemt sub - harmonic mixing is validated by the experimental results. at last, on the base of phemt multiplying, amplifying and gate mixing, the
之後研究了採用hp公司的20 - 40ghz放大器晶元（ hmmc - 5040 ）設計製作phemt （ pseudomorphichighmobiletransistor ）變頻器，通過測試，給出了實驗結果，並通過實驗驗證了採用phemt二次諧波混頻模式，實現上下混頻的可行性。 -
Parallel dual - pump four wave mixing based on semiconductor optical amplifier
基於半導體光放大器的平行雙泵浦四波混頻研究 -
Han song electronic lives in guangzhou, it produced the power amplifier, speaker, mixing console and relative equipment. and it produces the products by korea and europe design to meet the international and native market
韓松電子位於廣州，是以生產功放，音箱，調音臺及相關周邊設備為主的廠家，產品引進韓國及歐州等先進音響技術，生產符合國際及國內市場需求的做質產品
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