TV test signal analyzer

例句：

1. 1. This TV test signal analyzer is used to detect and measure the quality of television signals.
   这个电视测试信号分析仪用于检测和测量电视信号的质量。
2. 2. The engineer uses this TV test signal analyzer to troubleshoot issues with the television set.
   工程师使用这个电视测试信号分析仪来诊断电视机的问题。
3. 3. The TV test signal analyzer was developed by a company specializing in electronic equipment testing.
   电视测试信号分析仪是由一家专门从事电子设备测试的公司开发的。