This paper analyses the anti-noise performance of digital satellite TV receiver system, and discuses the anti-noise capability of R-S decoder, of convolutional decoder and of QPSK demodulator.

分析卫星数字电视接收系统的性能以及卫星数字电视接收机中R-S解码器、卷积解码器和QPSK解调器等部分电路对系统抗噪声性能的贡献。

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The digital Set Top Box is also called IRD (integrated receive decoder). Through the Set Top Box, we can receive the digital TV signals with analog TV.

数字机顶盒也称数字电视综合解码器或数字电视综合接收机，通过数字机顶盒可以使用现有的模拟电视收看数字电视节目。

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