Besides , this article analyzes the trend of unification of market channel and its influence on the telecom channel by trend and apply of channel unify and popularity of electron channel 本文還分析了渠道一體化發展變化的趨勢和直銷、電子渠道的推廣應用對電信營銷渠道的影響。
Analyses and researches the 2 channel voltage source ' s functional and characteristic requirements of the experiment system of the acoustic current transport model in the quasi - 1d electron channel . 2 . designed and realized the hardware circuit of the 2 channel voltage source 兩路高精度高穩定度饋源在進行準一維電子通道量子化聲電流輸運實驗的中得到了很好的使用效果,在國內首次觀察到了在甚低溫下準一維電子通道的電導量子化現象。
Our final target is to measure and research the acoustic current which is produced by that saw carry the electron passing through the quasi - 1d electron channel at the cut off voltage of the quasi - 1d electron channel , so as to research the quantum acoustic current steps of the quasi - 1d electron channel 最終目標是在準一維電子通道的鉗斷點測量和研究聲表面聲波搬運電子通過準一維電子通道的聲電電流,從而對準一維電子通道的聲電流量子化臺階現象進行研究。
The emphases of our research works are as follows : under ultra - low temperature ( about 0 . 236k ) conditions , how the frequency and power of the saw and the source drain voltage influence the acoustic current ; and the relationship between the source drain current and the split - gate voltage ; and how to find the cut off voltage of the quasi - 1d electron channel ; and also the frequency character of the idt in the saw parts 研究的重點為,在甚低溫( 0 . 236k )下,通過實驗研究表面聲波的頻率和功率,源漏偏壓等因素對聲電電流的影響;研究準一維電子通道中不同源漏電流與分裂門負偏壓的關系,以找到分裂門的鉗斷點電壓;以及研究聲表面器件叉指換能器的頻率特性等。