The harmonic current can be obtained based on instantaneous reactive power theory and the current hysteresis PWM controller is applied directly to control the main circuit which can reach the conclusions that the source harmonics current approaches to zero and harmonic suppression is gained .

利用瞬时无功理论计算出电源谐波电流，并直接进行滞环比较，以控制主电路开关器件的通断，从而使电源谐波电流逼近于 零，达到谐波 抑制的效果。

The spectral center of the weather clutter is not at the zero frequency . The characteristic of the clutter echoes varies with the weather environment etc. Adaptive clutter suppression algorithms have been proposed in order to suppress the weather clutter .

气象 杂波的谱中心不在 零频，其回波特性随着环境变化而变化。

Utilizing the three-band lifting scheme the paper designs a novel family of biorthogonal interpolating complex wavelets with stopband zero suppression .

本文利用三带提升方法构造了一类具有阻带 零点 抑制的三带双正交复内插子波。

The Gap Zero Code at Delta Modulation System and Its Suppression

增量调制系统的间隙 零码及其 抑制 方法

The relation between synthesis increment and the zero sequence voltage percent at the time before arc suppression coil current changes and the change quantity is found . The criterion based on the principle of synthesis increment for detecting grounded feeder is established .

建立了综合增量与补偿电流变化前 零序电压百分数和 补偿电流变化量之间的关系，构建了零序电流综合增量法接地选线判据。

At this point it would be time to ask the report author whether or not they actually need the divByZero zero and overflow suppression or whether or not they just wanted to suppress nulls .

此时，正是时候询问报表创建者是否真的需要divByZero、 zero和overflow suppression，或他们是否仅想要抑制nulls。

The stopband zero suppression is a stricter design constraint than the vanishing moments and can more effectively manipulate the stopband characteristics of filters .

阻带 零点 抑制是比消失矩约束更为严格的设计条件，能够更有效地控制滤波器的阻带特性。

Three-Band Interpolating Complex Wavelets with Stopband Zero Suppression

具有阻带 零点 抑制的三带双正交内插复子波