目 录

前 言                                                                    1

1.      概 述                                                                 

1-1. DAAS工作方式介绍                                                         3

2.       安装与开始

2-1.安装ADC/DAC卡                                                           5

2-2.安装DAAS软体                                                             6

2-3.开始                                                                          6

2-4.使用DAAS图形显示界面                                                   7

3.       测 试

3-1.频率响应测试                                                                9

3-1-1.相位响应曲线                                                             14

3-1-2.最小相位                                                                  15

3-1-3.群延迟                                                                    16

3-1-4.梯形响应                                                                  16

3-1-5.自由音场修正                                                             16

3-1-6.瀑布频谱                                                                  20

3-1-7.音频响应测试之重要注意事项                                            21

3-1-8.输出                                                                       22

3-1-9.利用正弦波测试                                                          23

  3-2.失真                                                                         23

  3-2-1.谐波失真                                                                  24

  3-2-2. 谐波失真曲线                                                            26

  3-2-3.互调因数测试                                                             28

  3-3.阻抗测试                                                                    29

  3-3-1.电感与电容                                                                32

  3-3-2.资讯输出                                                                  32

  3-4.Thiele Small参数测试                                                       32

  3-4-1.VAS测试                                                                  34

  3-5.电平测试                                                                    34

  3-6.示波器                                                                       36

  3-7.频谱分析仪                                                                  40

  3-7-1.几乎及时的频率测试                                                      42

  3-8.残响时间                                                                    44

4. 讯号产生器                                                         45

5. 较高频率之解析度测试                                            45

6. 储存与载入讯号                                                    47

7. 荧屏书面之列印                                                    47

8.      宏记录                                                                47

9.       选  项

9-1.频率响应测试参数设定                                                    51

9-3.设定荧幕书面色彩与自动歇息                                            53

9-4.设定系统参数                                                               54

9-5.校准                                                                         58

10.  DAAS 3L之技术资料

  10-1.ADC-/DAC-卡                                                             59

10-2.DAAS 3L软体                                                             59

10-3.系统需求                                                                   61

11.    有关安全使用之重要事项                                         61

12.    有关DAAS在测试时的注意事项                                 62

13.    DAAS特别版的特色与变更                                       62

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