提出了一种基于中频的噪声成型方法，可以有效改善峰值再生的问题。
This paper induces a new way named noise shaping on IF to solve the problem.
它的实现通常在基带和中频频段上实现。
本文介绍了一种实时雷达中频回波模拟器的设计方法。
In this article a design method of radar IF echo simulator is introduced.
神的旨谕在诗句中频显现。
该电路具有低功耗、增益可调范围宽和频率范围宽的特点，适用于一般的中频接收机。
This circuit has the characteristics of low power, wide gain adjustable range and wide bandwidth.
就是平时滴酒不沾的友人，在这种舒缓的份围中频频举杯。
Is usually not drink friends, in this ease of copies around the toasted.
结果：该设计能时实动态显示出DNA杂交反应中频率的变化。
Result this circuit can do real time monitoring for frequency change of DNA hybridization reaction.
本文还对零中频接收机的直流漂移问题及其解决方案进行了分析。
The analysis and solution to DC shift of if receiver are also mentioned.
文中最后部分对零中频接收机的应用进行了展望。
It is the last part of the application of zero-IF receiver prospect.
文中最后部分对零中频接收机的应用进行了展望。
It is the last part of the application of zero-IF receiver prospect.
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