ͼ3.1.2 Results Browser
Ϊеǽ棬ڡac-acļУac-acļкұߴʾڡResults BrowserΪĽṩ˼õĺͼ4.1.3
ͼ3.1.3 Results Browser
ͼ˵еĺ£ Magķֵ Phaseķ
Wphaseķǣһ0-360ʾ Realȡʵ Imagȥ鲿
dB10ԷС10logn dB20ԷС20logn
Ϊ뽻ѹ1VˡVoutĵѹֵŴ档
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Ϊ˹۲ƵԣҪ˵ĵѹķֵͨMagԡVoutȡֵԤȻͿԽôõķWaveformй۲졣
ұߴѡСVoutȻҼڵIJ˵ѡNew WinһµġWaveformʾŴķƵԡͼ3.1.4
ͼ4.1.4 ķƵ
ŴķƵԣֱʾֵ⣬һʾֵdBߣԷֵ20logn仯ͼ3.1.5
ͼ3.1.5 ֵdB20
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ŴƵԣڡResults BrowserѡphaseԽԤõͨAppendƵӵԭеķƵУͼ31.6
ͼ3.1.6 ɫƵɫƵ
ڶ ŴĴ
ͼ3.2.1 ·ͼ
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˵ĴҪָŴСźŴõĶ3dB͵λ浥
һ3dB
壺Av(?0)=20lgAv(0)-3dB
ȹ۲ķƵߣ3dBĶõ3dBڡWaveformУƵƵߵĵƵ֣ݼmӱǩǵĺ꣨1.212Hz37.24dBŵݼvлֱͣһֱֱߣֱϷһɫĵǣͨ϶ǣƶֱꡣ
ͼ3.2.1.1ֱŴƵ߽꣨7.9456MHz34.24dBڲͼϽǸŴֱƶʵʱı䡣Ϊ34.24dBʱźŵƵΪ7.9456MHz˿ԽΪ3dBΪ7.9456MHz
ͼ3.2.1.1 ķƵ
ȷ3dBķʹáCalculatorСbandwidth ڡResults Browserеġac-acѡVoutҼѡCalculator͵CalculatorУѡbandwidthͼ3.2.1.2
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