High-pass filter (HPF) have a common passive high-pass filter and second-order high-pass filter.
高通滤波器（HPF）常见的有无源高通滤波器和二阶高通滤波器。
Based on the design fundamental of digital LDI ladder filter, a digital LDD ladder high-pass filter is designed by using the frequency transformation in this paper.
本文利用数字梯形滤波器的设计原理，以离散微分器作为积木块，利用频率变换方法，设计出数字LDD梯形高通滤波器。
The code of the image filter processing, the code shows the three filter matrix, including the smoothing (low pass filter), image edge detection (high-pass filter) and so on.
该代码实现了图像的滤波处理，这段代码给出了三种滤波矩阵，包括图像平滑(低通滤波器)、图像边缘提取(高通滤波器)等。
An example of the design procedure of the third order digital LDD ladder high-pass filter with equal magnitude response is detailed. A computer simulation of the example is given.
本文以一个三阶等波动ldd梯形高通滤波器为例说明具体的设计过程，并对该滤波器进行计算机模拟。
In medical Doppler ultrasound systems, a high-pass filter is usually employed to remove wall clutter components which may also remove the information of the low velocity blood flow.
医学超声多普勒系统的高通滤波器在消除血管壁搏动带来的回波干扰时，也滤除了低速血流信息。
The proposed architecture adopt recursive pyramid algorithm(RPA)instead of the classical pyramid algorithm(PA), only one low-pass filter and high-pass filter are required to compute all levels.
该结构采用了递归金字塔算法（RPA）取代传统的PA算法。只用一组滤波器即可完成所有级别的小波运算。
The controls customize a high pass filter, which attenuates frequencies below a given frequency.
自定义的控制高通滤波器，频率衰减低于特定的频率。
A current mode high pass filter based on a differential circuit having simple and leap frog structure with excellent performance is proposed.
给出了一种结构简单、性能优良的微分电路，并提出了用该电路实现的电流模式跳耦结构高通滤波器。
Removing high frequency noise pulses by a low-pass filter and Schmitt-trigger.
用一低通滤波器和施密特触发器排除高频噪声脉冲。
A uhf sensor is designed and fabricated, which mostly consists of antenna, uhf amplifier, high pass filter, and broadband wave detector.
通过与大华无线电厂合作，研制了超高频传感器，其主要由天线、超高频放大器、高通滤波器、宽带检波器等组成。
Analog synthesis often use low-pass filter to remove electronic audio generator generated by high-frequency noise.
模拟合成器常常使用低通滤波器来去除电子音频发生器所产生的高频噪声。
As a final step, we can use a high pass filter to sharpen the image and ensure if we are going to reduce the size to use it for the web we are not going to lose any information and definition.
作为最后一步，我要采用高通波滤镜来锐化这个照片，以便我们以后降低这个图片的尺寸时不失去图片里的细节。
The traditional low-pass filter method can restrain the high frequency part and decrease noise but may destroy image detail, and other methods also have other defects.
传统的低通滤波方法将图像的高频部分滤除，虽然能达到降低噪声的效果，但会破坏图像的细节。
A new method is proposed, based on the instantaneous reactive power theory, to detect high frequency harmonic current and instantaneous reactive current applying high pass filter simultaneously.
基于瞬时无功功率理论提出了一种应用高通滤波器同时检测高次谐波电流和无功电流的新方法。
An inverter responses the output of a level greater than or smaller than a threshold value of the low pass filter, and outputs a signal in a high level or a low level.
反相器响应低通滤波器的大于或者小于阈值电平的输出，输出处于高或低电平的信号。
If input sigmal is supwrimpsed with high-frequency noise use a low-pass filter in the input signal line.
若输入信号伴随高频干扰，应在线里用高频过滤器。
The process of development on a type of high order linked low - pass active filter CAD is introduced in the paper.
本文介绍一种高阶链接式有源滤波器CAD的实现过程。
According to the system bandwidth, the low pass filter was added in controller to assure the tracking effect of system and filter the super-high frequency in control singles.
根据系统的带宽，在控制器中加入低通滤波器，以保证系统跟踪效果，过滤控制信号中频率过高部分。
This PFC was realized by employing sliding-mode variable-structure inner current loop control and outer voltage loop PI control with digital low-pass filter to achieve high performance.
提出了采用滑模变结构电流内环与由PI调节器和数字低通滤波器组成的电压外环相结合的控制系统，以实现高性能高速度的功率因数校正。
To reduce the construction size of narrow band pass filter, it is needed to look for the coating materials with high refractive index.
为了简化窄带光学滤波器的结构，需要寻求更高折射率的膜层材料。
A frequency selective surface (FSS) is a metallic periodic structure with frequency selective properties. Depending upon design, it may be low-pass, high-pass, band-pass, band-stop filter.
频率选择表面（FSS）是具有选择频率功能的一块金属周期结构，它可以被设计成低通、高通、带通、带阻滤波器。
The high pass and low pass and ellipse-filter are realized by the medium of the MAX264 s programming.
然后利用单片机对MAX264编程，实现低通、高通及椭圆滤波器。
Since the Fourier transform of a Gaussian is another Gaussian, applying a Gaussian blur has the effect of reducing the image's high-frequency components; a Gaussian blur is thus a low pass filter.
由于高斯分布的傅里叶变换仍然是高斯分布，使用高斯模糊就减少了图像的高频分量，因此高斯模糊是低通滤波器。
The DCZ4 vibration measuring instrument is an advanced multi-function and low-frequency instrument for low pass filter, high pass filter and double integration.
DCZ4多功能低频振动测量仪是一种具有低通滤波、高通滤波和重积分功能的先进振动测量仪。
Band pass filter is adopted to remove the high -frequency switching disturbance in node voltage measurements and avoid the time delay of common low pass filter.
针对开关动态对节点电压采样值的干扰，引入带通滤波，滤除高频动态的同时避免了常规低频滤波的延时。
Then a low pass filter is designed to filter high - frequency noise in data. and smooth data again by means of central interpolation algorithm ;
剔除并补正了飞行实验数据中的野值；设计了一个低通滤波器来滤除数据中的高频噪声；用中心插值演算法对数据二次平滑。
Band-pass filter often used in anti-jamming devices, in order to receive a valid signal within the band, while the elimination of high frequency and low frequency interference and noise.
带通滤波器经常用于抗干扰设备中，以便接收某一频带范围内的有效信号，而消除高频段和低频段的干扰和噪声。
It can be widely used in high-pass, low pass and band-pass filter design.
它可广泛应用于高通、低通和带通滤波器设计中。
Filter. High-pass, low-pass, band-pass, or band-stop filter can be specified.
滤波器。可指定高通、低通、带通或带阻滤波器。
Filter. High-pass, low-pass, band-pass, or band-stop filter can be specified.
滤波器。可指定高通、低通、带通或带阻滤波器。
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