實(shí)驗(yàn)八 測(cè)量?jī)x器仿真實(shí)驗(yàn)(2)

1、實(shí)驗(yàn)五 測(cè)量?jī)x器仿真實(shí)驗(yàn)（2）一、100Hz正弦波頻譜1、要求在頻譜儀上顯示100Hz正弦波的頻譜文件名：nexp4_1.mdl2、實(shí)現(xiàn)電路 3、電路參數(shù)（1）Signal GeneratorWave FormSineAmplitude4Frequency100（2）Zero-Order Hold位置：SimulinkDiscreteSample Time1/400 （3）Scope位置：SimulinkSinksNumber of axes1Time RangAxis-5 5 Sample time1/10000（4）Scope1位置：SimulinkSinksNumber of axes1

2、Time RangAxis-5 5 Sample time1/10000（4）Spectrum Scope位置：signal processing blocksetsignal processing sinks將參數(shù)設(shè)置中buffer input 和specify FFT length復(fù)選框選中。Buffer Size512Buffer Overlap256FFT Length512Minimum Y-limit-10Maximum Y-limit40（5）Simulation Parameters(1)(2)(3)(4)Start Time0Stop Time104、仿真效果（1）Scope

3、（2）Scope1（3）Spectrum Scope二、 1 GHz方波頻譜1、要求在頻譜儀上顯示1 GHz正弦波的頻譜文件名：nexp4_2.mdl2、實(shí)現(xiàn)電路 3、電路參數(shù)（1）Signal GeneratorWave FormsqureAmplitude4Frequency1e-9（2）Zero-Order Hold位置：SimulinkDiscreteSample Time1/20*1e-9 （3）Scope位置：SimulinkSinksNumber of axes1Time Rang5e-11Axis-5 5Sample time1e-11（4）Scope1位置：SimulinkS

4、inksNumber of axes1Time Rang5e-11Axis-5 5Sample time1e-11（4）Spectrum ScopeBuffer Size512Buffer Overlap256FFT Length512Minimum Y-limit-10Maximum Y-limit40（5）Simulation Parameters(5)(6)(7)(8)Start Time0Stop Time104、仿真效果（1）Scope（2）Scope1（3）Spectrum Scope三、隨機(jī)序列的頻譜（選做）1、要求在頻譜儀上顯示1隨機(jī)序列的頻譜文件名：nexp4_1.mdl2、

5、實(shí)現(xiàn)電路 3、電路參數(shù)（1）PN Sequence GeneratorGenerator polynomial1 1 0 0 1Amplitude0 1 0 0Shift0Sample Time1（2）Zero-Order Hold位置：SimulinkDiscreteSample Time3/15 （3）Scope位置：SimulinkSinksNumber of axes1Time Rang45Axis-2 2 Sample time1/1000（4）Spectrum ScopeBuffer Size512Buffer Overlap256FFT Length512Minimum Y-limit-10Maximum Y-limit10（5）Simulation