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ߣɫͼ,glfͼа,Ƭ

2019-06-25 17:30 Դhttp://www.szmtr.net

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wɫɢӰ푹wͨłݔ^xҼҪءڔ̖ͨУɫɢ󣬹}_չ͇أڽն˾Ϳ}_չF}_دBĶF`a˱F@NrֻʹaԪgӴ󣬻ʹݔxs̡@Ȼ@ʹÂݔͣ^־x׃̣@˂ϣġģMݔУͬɫɢ󣬲ͬlʵģM̖lVͬڽն˾͕ʹģM̖Fʧ档ͬӞ˱F@NrֻʹݔģM½ݔxṣ@˂ϣġˣߣɫͼ,glfͼа,ƬwɫɢҪJ濼]ͬǰwɫɢɹ}_IJչ@Ǐĕr^crǏlǶȁwɫɢͱʾwҼݔġ}_չ͎ǏIJͬǶwݔԵăɂo“ϵą

ĜycˌҲЃɷNҼNǏĕrǶȁy}_չҼNǏlǶȁywĻȡ

  • (27)
  • 1)Õr򷽷y}_չ
    yԭȞʹ}߀춏sOݔw͏ĹwݔĹ}_ζƳɸ˹ֲD6ʾD6(a)ǹwݔ⹦Pin(t)IJΈDֵA1A1/2rČȞΔτ1D6b)ǹwݔ⹦Pout(t)IJΈDȽҼrČȞΔτ2C}_ͨ^wչΔτcݔ롢ݔΌΔτ1Δτ2Pϵ:
    (1-1)
    ɴ˿ҊΔτΔτ2cΔτ1ĺpPϵԣֻҪyΔτ1Δτ2ʽ}_չΔτΔτᣬٸ}_չΔτĵĹʽ
    B0.44Δτ (1-2)
    ΔτʽпĹwÿYΔτĆλnstBĆλMHz

    yDÕr򷨜yw}_չ(MӋwķDD7ʾ)

  • (16)

  • Ҽ_}_̖lȥ{ҼļݔĹ̖ͨ^ֹR֞·Ҽ·M뱻yw(ɫɢã@Ҽ·Ĺ}_̖չ)wݔ_늙zy1ͽՙC1pۙȡʾK@ʾ@ஔǰvPout(t)Ҽ·^ywͨ^RֱMzy2ͽՙC2ȻҲpۙʾ@ʾ@Λ]н^zywஔ춱ywݔ̖IJΣஔPin(t)@ʾ}_ϷքeyPin(t)ČΔτ1Pout(t)ČΔτ2@ӾͿɌΔτ1Δτ2ʽ(1-1)(1-2)KB߀ԓָ@Nyģw^yΔτ̫С

    2)l򷨜yw
    l򷨜yҼlʎalBm׃̖ȥ{ƼĶоw춲ͬlʣߣɫͼ,glfͼа,ƬĹ̖ĂݔwfҪOywݔ{ƹⲨl푑ԡõl푑ᣬɰҼ㷽wĎ

  • (11)

  • OPin(f)ݔ뱻ywĹ⹦c{lfgPϵPout(f)鱻ywݔĹ⹦c{lfPϵtywl푑H(f)H(f)Pout(f)Pin(f)԰빦c_wĎfc10lgH(f)=10lg[Pout(f)/Pin(f)]10lg12-3dBfcQw3dB⎧l򷨜ywķD9ʾ

    출ywl푑ԣҪyݔwĹ⹦Ժ͏ĹwݔĹ⹦ԣҪõɂ̖ڈD9Ҽl̹wݔ⹦ʁ汻ywݔ⹦ʡڈD9Уɒl̖lݔҼlBm{̖@̖ȥĹ̖MЏ{ƣȻጢ@{̖ź_Pɹ_Pͳ·̖Ҽ·̖M̹w̹w^늙zylVxö̹wݔ̖汻ߣɫͼ,glfͼа,Ƭݔ̖(춹ẉ^ݔ̖׃СʿJ鼴ݔ̖) Ҽ·̖ǽ^_P뱻ywBmҲ{ƵĹ̖^wݔy˱ywͬ{lʹ̖ķĹwݔ늙zylVx@lVxо͵õ˱ywݔݔɷN̖ˣͿɵõywl푑ĶɜywĎ