地空高速图像传输技术研究
Radio Engineering of China(2006)
Abstract
实现远距离地空高速图像传输的关键技术是高质量的图像压缩算法。提出了一种JPEG格式的数字化图像压缩编码技术,并针对编码方式采取不同的码流控制技术,来实现以较低码速率传输高质量的图像信号。采用两点注入式锁相2CPFSK的调制方式,使振荡源的宽带调制特性和低噪声特性同时得到满足,提高了通信质量。
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Key words
image decoding,radio frequency modulation,data transmission
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