Ⅰ. The present Situation of Transnational Corporations’ Investment in TEDA (1 ) General situation Since its founding ten years ago, especially since 1992. TEDA has achieved encouraging successesin undertaking major ...Ⅰ. The present Situation of Transnational Corporations’ Investment in TEDA (1 ) General situation Since its founding ten years ago, especially since 1992. TEDA has achieved encouraging successesin undertaking major projects. drawing the attention of leading consortia, omnibearingly solicitingbusiness and drawing foreign capital. By September 30, 1994, TEDA had approved 2054 solely for-展开更多
在S波段测波雷达系统中,系统的相干性直接影响了系统对海浪参数的测量。对于采用数字信号处理器(digital signal processor,DSP)为核心处理器的微波雷达系统,由于DSP的SYSBIOS系统对硬件中断的响应和任务调度存在时间不定性,破坏了系统...在S波段测波雷达系统中,系统的相干性直接影响了系统对海浪参数的测量。对于采用数字信号处理器(digital signal processor,DSP)为核心处理器的微波雷达系统,由于DSP的SYSBIOS系统对硬件中断的响应和任务调度存在时间不定性,破坏了系统的相干性,导致回波信噪比下降。针对这一问题,提出利用DSP的可编程实时单元子系统(programmable real-time unit subsystem,PRUSS)对中断采集信号进行实时查询与响应,可以实现中断的无延迟响应,严格保证了雷达对信号回波采集的相干性。展开更多
文摘Ⅰ. The present Situation of Transnational Corporations’ Investment in TEDA (1 ) General situation Since its founding ten years ago, especially since 1992. TEDA has achieved encouraging successesin undertaking major projects. drawing the attention of leading consortia, omnibearingly solicitingbusiness and drawing foreign capital. By September 30, 1994, TEDA had approved 2054 solely for-
文摘在S波段测波雷达系统中,系统的相干性直接影响了系统对海浪参数的测量。对于采用数字信号处理器(digital signal processor,DSP)为核心处理器的微波雷达系统,由于DSP的SYSBIOS系统对硬件中断的响应和任务调度存在时间不定性,破坏了系统的相干性,导致回波信噪比下降。针对这一问题,提出利用DSP的可编程实时单元子系统(programmable real-time unit subsystem,PRUSS)对中断采集信号进行实时查询与响应,可以实现中断的无延迟响应,严格保证了雷达对信号回波采集的相干性。
