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这一讲讨论DAB测量技术,主要涉及到影响DAB覆盖的一些参数的测量方法和应注意的问题。同时,还要介绍衰落信道模拟器和DAB测量车。主要的需要测量的参数有:在接收机的总场强(通过带宽之内的场强的积分求得);各分波的场强和时延(信道脉冲响应);来
This talk discusses DAB measurement techniques, mainly related to the measurement of some parameters affecting DAB coverage and issues to be aware of. At the same time, also introduced fading channel simulator and DAB measurement car. The main parameters to be measured are: the total field strength at the receiver (obtained by integrating the field strength within the bandwidth); the field strength and delay (channel impulse response) of each sub-wave;