《电子测量技术》第二版(林占江)课后习题答案 电子工业出版社 3页

'[键入文字]海客答案网www.txdaan.com第1章绪论1.1答：电子测量是以电子技术理论为依据，以电子测量仪器和设备为手段，以电量和非电量为测量对象的测量过程。属于电子测量的是（2）、（3）。1.2答：见1.2节与1.3节。1.3答：主基准、副基准和工作基准。第2章测量误差分析与数据处理2.1绝对误差：0.05V修正值：-0.05V实际相对误差：1.01%示值相对误差：1.00%电压表应定为0.5级2.215V,2.5级2.3±10%2.4绝对误差：-0.2mA；修正值：0.2mA实际相对误差：0.25%0.5级2.514.8V,40.8%2.61.15V,0.99V;23%,19.8%2.75%,0.42dB2.8200k,266.7k,25%2.9200k,199.973k,0.014%2.10微差法、替代法、零示法2.112.5级2.121000.82125,0.0472.130.9926±0.00082.14正态分布,1215.01±6.11,2.1586.4,3.18,0.00312,5.84E42.163.3,382.17mγA+nγB,±9.5%2.18±4%2.19160±0.16%,9.4±1.0%,2.20±5%,±5%2.212级第3章模拟测量方法3.120%,4.8%,4V,4.763.21.414,1.11,1;1,1,1;1.73,1.15,13.37.07,10,5.783.42格3.5输入已知参数的方波、三角波3.6不同，波形系数不同3.7平均值表,波形系数更接近13.8见P893.9见P1083.100.5%,2%,5%3.1127.4%,23.1%,20.2%第4章数字测量方法4.1见P1154.2见P1194.3见P1154.44位，4位半，3位半，3位半，0.01mV4.50.005%,4.60.0008V,8个字4.70.000058V,0.0032%,0.0000418,0.023%4.8见P1354.9见P1434.100.00002%,0.0002%,0.002%4.111.01s4.12100kHz4.1375μs4.1见P1154.2见P1194.3见P115 [键入文字]海客答案网www.txdaan.com4.44位，4位半，3位半，3位半，0.01mV4.50.005%,4.60.0008V,8个字4.70.000058V,0.0032%,0.0000418,0.023%4.8见P1354.9见P1434.100.00002%,0.0002%,0.002%4.111.01s4.12100kHz4.1375μs4.14P1444.150.05%,20%4.160.056%4.17100kHz,40μs,104.189.4ns4.19用外触发方式4.20滞后电源电压45°超前45°第5章时域测量5.1,5.2参阅本间相关内容5.3李沙育图形，是圆形。5.4李沙育图形（1）椭圆形（2）“8”字形5.5被测信号频率与扫描信号频率不成整数倍，图形向左“跑动”。5.6被测信号频率与扫描信号频率不成整数倍，波形紊乱。5.7前沿有上冲，前沿弯曲。5.8最小周期T=0.2μs×10×10=20μs,频率50k5.9最高工作频率是20MHz5.10最低工作频率是0.4Hz5.110.02μs/cm5.1240ms，3ms，29ms5.13（1）聚焦不良（2）回扫消隐失效5.14引入50Hz交流电源的干扰5.15参阅本章相关内容第6章  频域测量6.1P2046.2P2056.3P2086.4P2086.5P2126.6P2146.7P2236.8P2216.9P2246.10P2236.11P2266.12P233第7章逻辑分析仪7.1P2367.2P2377.3P2387.4P2417.5P2437.6P2467.7P2497.8P265 [键入文字]海客答案网www.txdaan.com8.1P2708.2P2728.3P2728.4P2748.5P2758.6P2768.7P2779.1P2799.2P2809.3P2819.4P2829.5P2829.6P2859.7P2869.8P2879.9P29110.1P29510.2P29710.3P29810.4P29910.5P30510.6P30810.7P30711.1P31011.2P31111.3P31411.4P31612.1P31912.2P32112.3P32512.4P33312.5P33612.6P33813.1P33913.2P34113.3P34213.4P34613.5P34713.6P349'