1、1实 验 报 告院系：电气工程学院专业：自动化年级：09 级三班姓名：学号：200902202实验 23 周期信号的傅里叶分析1.分析图 3.81 所示电路。其中 V1 脉冲宽度为 0.5ms，V2 的脉冲宽度为0.2ms，V3 的脉冲宽度为 0.05ms，V4 的脉冲宽度为 0.01ms。画出它们的波形及频谱，并对频谱进行分析，作出分析报告。2.非正弦周期三相对称电源接成开口三角形，分析其开口处电压波形及频谱。电路自拟。要求打印出仿真电路图、电压波形及频谱。1.实验电路如图所示：V1TD = 0TF = 0PW = 0.5msPER = 2msV1 = 0TR = 0V2 = 1V06154
2、3V6TD = 0TF = 1msPW = 1nsPER = 2msV1 = 0TR = 1msV2 = 1V2V4TD = 0TF = 0PW = 0.01msPER = 1msV1 = 0TR = 0V2 = 1VV2TD = 0TF = 0PW = 0.2msPER = 2msV1 = 0TR = 0V2 = 1VR11kV5TD = 0TF = 0.5msPW = 0.5msPER = 2msV1 = 0TR = 0.5msV2 = 1VV3TD = 0TF = 0PW = 0.05msPER = 2msV1 = 0TR = 0V2 = 1V使用 Probe 观察傅里叶分析结果 1OU
3、T 文本输出文件：FOURIER COMPONENTS OF TRANSIENT RESPONSE V(1)DC COMPONENT = 2.520000E-01HARMONIC FREQUENCY FOURIER NORMALIZED PHASE NORMALIZEDNO (HZ) COMPONENT COMPONENT (DEG) PHASE (DEG)1 5.000E+02 4.530E-01 1.000E+00 4.428E+01 0.000E+002 1.000E+03 3.183E-01 7.027E-01 -1.440E+00 -9.000E+0133 1.500E+03 1.4
4、72E-01 3.250E-01 -4.716E+01 -1.800E+024 2.000E+03 4.000E-03 8.830E-03 8.712E+01 -9.000E+015 2.500E+03 9.283E-02 2.049E-01 4.140E+01 -1.800E+026 3.000E+03 1.061E-01 2.341E-01 -4.320E+00 -2.700E+027 3.500E+03 6.144E-02 1.356E-01 -5.004E+01 -3.600E+028 4.000E+03 4.000E-03 8.830E-03 8.424E+01 -2.700E+02
5、9 4.500E+03 5.279E-02 1.165E-01 3.852E+01 -3.600E+0210 5.000E+03 6.358E-02 1.404E-01 -7.200E+00 -4.500E+02TOTAL HARMONIC DISTORTION = 8.648635E+01 PERCENTJOB CONCLUDEDTOTAL JOB TIME .08波形及频谱 2V1 的波形及频谱：V1 的波形Time0s 0.5ms 1.0ms 1.5ms 2.0ms 2.5ms 3.0ms 3.5ms 4.0msV(1)0V0.2V0.4V0.6V0.8V1.0V4V1 的频谱V2 的波
6、形及频谱：V2 的波形Frequency0Hz 5KHz 10KHz 15KHz 20KHz 25KHz 30KHz 35KHz 40KHzV(1)0V100mV200mV300mV400mV500mVTi me0s 0.5ms 1.0ms 1.5ms 2.0ms 2.5ms 3.0ms 3.5ms 4.0msV(2)- V(1)0V0.2V0.4V0.6V0.8V1.0V5V2 的频谱V3 的波形及频谱V3 的波形Frequency0Hz 5KHz 10KHz 15KHz 20KHz 25KHz 30KHz 35KHz 40KHzV(2)- V(1)0V40mV80mV120mV160mV2
7、00mV240mVTi me0s 0.5ms 1.0ms 1.5ms 2.0ms 2.5ms 3.0ms 3.5ms 4.0msV(3)- V(2)0V0.2V0.4V0.6V0.8V1.0V6V3 的频谱V4 的波形及频谱：V4 的波形Frequency0Hz 5KHz 10KHz 15KHz 20KHz 25KHz 30KHz 35KHz 40KHzV(3)- V(2)0V10mV20mV30mV40mV50mV60mVTi me0s 0.5ms 1.0ms 1.5ms 2.0ms 2.5ms 3.0ms 3.5ms 4.0msV(4)- V(3)0V0.2V0.4V0.6V0.8V1.0
8、V7V4 的频谱V5 的波形及频谱：V5 的波形Frequency0Hz 5KHz 10KHz 15KHz 20KHz 25KHz 30KHz 35KHz 40KHzV(4)- V(3)0V5mV10mV15mV20mV25mV30mVTime0s 0.5ms 1.0ms 1.5ms 2.0ms 2.5ms 3.0ms 3.5ms 4.0msV(5)- V(4)0V0.2V0.4V0.6V0.8V1.0V8V5 的频谱V6 的波形及频谱：V6 的波形Frequency0Hz 5KHz 10KHz 15KHz 20KHz 25KHz 30KHz 35KHz 40KHzV(5)- V(4)0V100mV200mV300mV400mV500mV600mVTi me0s 0.5ms 1.0ms 1.5ms 2.0ms 2.5ms 3.0ms 3.5ms 4.0msV(6)- V(5)0V0.2V0.4V0.6V0.8V1.0V9V6 的频谱频谱分析 3Frequency0Hz 5KHz 10KHz 15KHz 20KHz 25KHz 30KHz 35KHz 40KHzV(6)- V(5)0V100mV200mV300mV400mV500mV600mV
