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1.
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源代码模拟误码率的oFDm系统实施使用离散余弦变换.
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2.
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在数字式交鄄交变频器中，一般采用直线方程近似三角方程的方法实现余弦交点法求触发角。
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3.
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海淀区一所重点中学教高中物理的彭老师说,他现在上课感到非常吃力,在讲力的合成与分解时,他提到了正弦定理余弦定理,发现学生们一脸茫然。
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4.
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研究了高倍抽取的数字下变频设计，重点分析了基于级联积分梳状滤波器、级联补偿滤波器、级联根升余弦滤波器的多级抽样频率算法。
※ "余弦"造句
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怎祝网汉语词典查词提供。