This system can be used to sample and demodulate many kinds of IF modulated waves, and its architecture design, some key techniques and software design are presented in detail.
该系统可以广泛地应庸于各种中频调制信号的采样与解调。
Then the primitive color holograms are modulated in the frequency domain to reconstruct object by original reference waves.
第二步是分别对分色全息图在频域进行调制以实现用原参考光真实再现原始物光波。
The transmitted signals which were modulated is a group of orthogonal sine signals as subcarrier and non-regular zero square waves that the code elements period is t as baseband coded formats.
它所发送的信号是由一组正交的正弦信号作为副载波，用码元周期为T的不归零方波作为基带码型调制而成的。
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