查询词典 harmonic function

The curve of third harmonic sound pressure level(SPL3)is alsoa "periodic function".The period length is about"first resonancefrequency" of the tube Δf=f0=c0/(2L).The magnitude of SPL3 canbe predicted by Coppens theory(with one of the parameters modified).

三次谐波声压级变化曲线为一"准周期"函数，周期长度为驻波管的第一共振频率值Δf＝f0＝C0/2L，用Coppens所推导的"共振"时公式，计算三次谐波共振峰的量值，表明仍存在差异，只有经过参数修正才能所得结果。

They always should be emphasized because of their harmonic function.

因为它们的和声作用，所以它们总是被强调。

With this system, APF has solely realized the function of compensating harmonic current within 25 times, which is quite effective.

使用该控制系统，APF已经实现了单独补偿25次以内谐波电流的功能，补偿效果显著。

It is of the harmonic analysis function of 1-40 times, and can communicate with PC via RS485 interface.

可通过RS485微机接口，与PC机实现通讯。

Because both harmonic wavelets and scaling function have the simple structure, and the simple and fast algorithm, it has great capacity of extracting characteristic signals.

谐波小波函数和尺度函数具有清晰明确的解析表达形式及简单快速的算法，在信号提纯与特征提取中具有极大的应用价值及广阔的应用前景。

A dynamic voltage restorer with harmonic compensation function.

带谐波补偿功能的动态电压补偿器。

Harmonious development degree of urbanization and urban ecological environment of each province and municipality of china is evaluated by coupling degree and coupled harmonic function.

结果发现：总体上，我国的城市化与生态环境处于勉强的调和解阶段，但如不加强对生态环境的建设，其与城市化的协调发展状况有恶化的趋势。

The result indicated that the desired track irregularity could be extracted with the help of the harmonic wavelet function effectively.

结果表明，谐波小波变换可成功地提取到了轨道不平顺信号。

A Starting from a path integral representation, obtain the Greens function of a harmonic

从路径积分表示式，得到谐振子的格林函数

"S.Axler",Harmonic Function Theory 2nd ed.

"，"调和函数理论第2版

Many will continue to choose to live in duality and in conflict.

许多人将继续选择活在二元对立性和冲突中。

I find that students of the University of Physical Education all wear sportswear at first sight.

我发现：体育大学的学生乍一看，都是穿运动衣，大家都一样