The selection of plan of super small size s band FM transmitter, its circuit design and structural arrangement are introduced, and the stability and quality of the transmitter are also analyzed.

介绍S波段超小型调频发射机方案的选择、电路设计、结构安排，并对该发射机的稳定性和质量进行了分析。

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The architecture of FM quadrature demodulation was provided. On the universal IF digitalization hardware platform, FM waveform was demodulated in base-band together with SSB and FM.

给出了FM正交解调结构，即在统一的中频数字化硬件平台上，与单边带、调幅等波形一起在基带完成正交解调。

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The target echo of passive radar based on FM signal has the characteristics of low SCR and narrow band. Only the receiver with large dynamic range can receive the weak echo signal.

基于FM信号的无源雷达目标回波信号信杂比低，频带窄，只有开发大动态范围的接收机才有可能接收到微弱的目标散射信号。

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The industry spent much of that time fighting over a plan to move FM and AM to a new spectrum band to accommodate digital.

FORBES: Big Audio Dynamite