It analyses the relation of the four data link control protocols according to their application , and the emphasis of which is the slot reservation scheme of sotdma , put forward the software simulation programme and the demonstration 根據(jù)ais不同的應(yīng)用場(chǎng)合分析了四個(gè)數(shù)據(jù)鏈控制協(xié)議的關(guān)系,重點(diǎn)研究了sotdma預(yù)約時(shí)隙算法,給出了通信模擬方案,并結(jié)合程序予以演示。
Large signal model of gaas mesfet is built and , in the light of advanced pspice circuit simulation programme , the circuit transient and dc operation analyse and speed performances are calculated . and also , the inserted loss and isolation are optimized by microwave circuit software touchstn of eesof company 同時(shí),建立了gaasmesfet器件大信號(hào)模型,用先進(jìn)的pspice電路模擬程序?qū)λO(shè)計(jì)的電路進(jìn)行瞬態(tài)分析和直流工作點(diǎn)分析,計(jì)算電路的速度性能;用eesof公司的touchstn微波電路設(shè)計(jì)軟件,進(jìn)行開關(guān)的插入損耗和隔離度的優(yōu)化設(shè)計(jì)。