利用信道频率相关特性降低了算法复杂度，同时解决了算法对样本数的依赖问题。
The algorithm USES the channel correlation in the frequency domain to greatly reduce the computation complexity and the number of required samples.
超声无损评价中，与材料特性相关的超声参数具有频率依从性。
In nondestructive evaluation technique, ultrasonic parameters related to certain material characteristics often exhibit properties of frequency dependence.
重点分析了实现信道特性仿真的两种算法：慢衰落的相关性整形和频率选择性多径衰落。
Two simulation algorithms of realization channel characteristic are analyzed emphatically: shaping of slow fading with correlation and generation of frequency-selected multipath fading.
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