故法，汉语读音是gù fǎ，汉语词语，意思是旧法，先王的法度礼仪，出自《韩非子》。
时-频联合信号分析法能描述非稳态信号的频率如何随时间而变化，故它能使我们更好地理解信号的本质。
Joint time Frequency Analysis (JTFA) describes and determines how the frequencies of non stationary signals change over time. It offers a better understanding of nature of the signal.
由手铅、砷污染元素呈偏态分布，故采用偏态分布中的中位数法作了铅、砷自然背景值及含量的统计。
As lead and arsenic pollution element are skew distribution, statistics of a natural background value and a content of lead and arsenic are worked out using median method of skew distribution.
通过比较，说明高斯近似法估算的误码率过大，故其应用范围受到限制。
By comparison with the analytical results, Gaussion approximation method tends to overestimate the BER whose application is restricted within narrow limits.
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