This thesis starts from demand analysis of image compression unit and gives hardware prototype of ground system of image compression unit with general purpose DSP chip.
本文从图象压缩单元的需求分析入手，采用通用的DSP芯片，构成了图象压缩单元地面系统的硬件原型。
On the base of theory analysis, a LNA and a mixer of a receiver chip used in compass navigation satellite system have been designed.
在理论分析的基础上，本文设计了一个应用于北斗卫星导航系统接收机芯片中的低噪声放大器和下变频混频器。
This paper focuses on the JTAG ideas and technical characteristics and summarizes the JTAG usage in chip function test, system diagnosis, simulation, performance analysis and conduction test.
文中介绍JTAG边界扫描的概念、技术特点，以及在芯片功能测试、系统诊断、仿真、性能分析和导通测试方面的应用。
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