| 1. | A method of inspecting the harmonics based on instantaneous reactive power is presented
该方法可以实现快速的检测出谐波分量，并补偿无功功率。 |
| 2. | The experimental results show that the proposed filter enables simultaneously to suppress multiple dominant harmonics and effectively eliminate the detuning
实验系统在不同运行方式下的测试结果表明，这种滤波器能够同时抑制多次主要谐波分量并有效地消除失谐。 |
| 3. | 3 the effective value of a non sinusoidal periodic function is equal to the square root of the square sum of the constant component value and every harmonic component effective value
非正弦周期函数的有效值等于直流分量与各次谐波分量有效值的平方和的平方根。 |
| 4. | As a result , real - time measurement of harmonic is very important for avoiding the harmonic peril and improving the quality of power supply
因此，实时测量电网及非线性用电设备的谐波分量，掌握系统中谐波的实际情况，对于防止谐波危害、提高供电质量是十分必要的。 |
| 5. | Using this method validly overcome disadvantages caused by using traditional methods , which eliminate the need for spurious harmonics to represent nonlinear and non - stationary signals
它有效克服了用传统方法对非线性、非平稳信号分析时产生无意义谐波分量的缺点。 |
| 6. | The second reason is the nonlinear rectifier with a bulky capacitor in the input stage of the smps , which leads to a narrow pulse and rich harmonics
原因之二是开关电源的输入端采用二极管整流，后接较大的滤波电容，导致输入电流为一很窄的脉冲波，含有丰富的谐波分量。 |
| 7. | Aiming at extracting harmonic components of signals , a filter progress is designed . during the progress , the technology of sampling rate alteration worked as an aid in dividing different frequency signals
针对一定谐波含量的信号，设计了将谐波分量分离的滤波过程，在此过程中引入采样率转换环节，配合小波滤波器实现不同频段信号的分离。 |
| 8. | While the flutter self - excited loads of a bluff section has a quality of obvious nonlinearity . and the application of flutter derivatives to self - excited loads of the bluff section is close to a linear relationship . 5
而钝体断面的颤振自激力高次谐波分量较大，具有较明显的非线性响应特征，验证了用颤振导数表示钝体的自激力只是一种线性近似。 |
| 9. | The performance of the electric vehicle is improved greatly in which the harmonic wave of output voltage , power loss and torque pulsation of the system are decreased by controlling the switch angles
它运用规则采样法产生正弦脉宽调制波，通过开关角的控制抑制逆变器输出电压中的谐波分量，降低了电动机的损耗和转矩脉动，使电动车的运行性能得到了较大改善。 |
| 10. | The smart rotor with active trailing edge is a new system for reducing the vibration which can adjust the air load of the blade to actively counteract the main harmonic of the force to the fuselage by controlling the deflection of the trailing edge
主动后缘附翼控制是一种较新的旋翼减振系统,它通过控制后缘附翼的偏转,调节桨叶的气动载荷,实现对机体激振力主要谐波分量的主动抵消。 |
