采用模拟方法实现的传统接收机，在接收过程中由于模拟器件的限制，极易导致信号的频率和相位等精细信息丢失。
Because of the limits of analog devices, the analog receiver may easily loss key parameters of signal, such as frequency, phase etc.
在过去几周里，一场争论说明了这种精细的信息对于广告商的价值：广告商是否可以认为用户愿意被跟踪并投放行为广告？
In the past couple of weeks a quarrel has illustrated the value to advertisers of such fine-grained information: Should advertisers assume that people are happy to be tracked and sent behavioural ads?
这将允许对使用者接受什么信息进行精细控制。
This allows for fine control over what information the consumers receive.
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