这张图片是由宽带滤波器和窄带滤波器所拍摄的照片所合成的。
The picture is a composite of images taken through both broad and narrow band filters.
第3章主要讨论了均值滤波器和中值滤波器等。
通常是设计一个逆滤波器，然后与信号进行褶积，目的是使以前的滤波器对信号的影响变为零。
Usually an inverse filter is designed and convolved with the signal, the objective being to nullify an objectionable effect of an earlier filter action.
和经典形态学滤波器相比较，新的形态学滤波器在其主要算子中使用了结构元素的轮廓。
Compared with classical morphology filter, the new filter USES outline of structure element as its major operator.
文章以巴特沃思滤波器为例介绍低通滤波器的基本设计方法。
This paper introduces the basic methods for designing the low-pass filter, taking Butterworth filter as an example.
结合有源电力滤波器应用现状和类型选择，指出了有源电力滤波器在开发应用中要解决的问题。
Combining the actuality of application and type choice of APF, the paper points out the problems needed to be solved in APF exploitation and application.
交指滤波器在微波滤波器中占有重要的地位。
An interdigital filter plays an important part in the microwave filters.
本文针对LC无源滤波器和传统的电压源型并联混合电力滤波器的缺点，提出了一种新型的并联混合电力滤波器。
A novel single - phase parallel hybrid power filter is presented in this paper, which can eliminate drawbacks of LC passive filter and the conventional voltage source parallel hybrid power filter.
然后利用MATLAB进行仿真调试，对比设计要求和滤波器响应特性，反复调整滤波器lc参数，以获得最好的滤波性能。
Then we repeat modifying its LC parameters through MATLAB simulation, compared with the design demand and the filter's responding characteristic to obtain the best filtering capability.
针对无源滤波器的缺陷，提出了一种低压电网无源滤波器改造方案。
Considering limitations of the passive power filter (PPF), a reform method of PPF for low voltage power grid was presented.
仿真结果显示，复合余弦基神经网络图像去噪滤波器各项特性接近理想滤波器。
The simulation results reached nearly ideal filter characteristics, and the performance of removing image noise using this filter was compared with the median filter.
该转换器采用了高阶MASH噪声成形技术，而其数字抽取滤波部分则由梳状滤波器与级联的半带滤波器构成。
The converter USES a high order MASH noise shaping technique and a digital decimation filtering part consisting of comb filters and cascade of half band filters.
本文给出了IIR陷波滤波器和低通滤波器两个设计实例，对设计的滤波器都进行了稳定性分析和系数量化影响分析；
Two examples that are IIR notch filter and IIR low-pass filter are given, the stability of filters and the effects of quantification of coefficient are also analyzed.
对双向抽头滤波器和预测误差滤波器这两种自适应滤波器的特性进行了分析，并在计算机上进行了数值仿真。
The characteristics of dual tap filter and predicted error filter are analyzed, which are auto-adapted filters, and a numerical simulation is performed on computer.
本文讨论了一种带有参考通道的自适应环境噪声滤波器原理，该滤波器采用最小均方误差（LMS）算法。
One kind of theories of adaptive noise cancellation filter with referent channel based on Least Mean Square (LMS) algorism is discussed in this paper.
采用不同模板的均值滤波器和高斯滤波器来增强图像。
Textile images were enhanced by using mean filter and gaussian filter with different templates.
提出一种采用基本滤波器和辅助滤波器进行船舶航向保持控制的新方法。
A new approach to keeping control of ship heading is presented, which USES a primary filter and a secondary filter.
与定常参数滤波器相比，可调式滤波器能较好地满足电气传动系统对滤波器的特殊要求。
In comparison with filters with constant parameters, inverter output filters with adjustable parameters can satisfy special requirements for inverter output filtering of electrical driving systems.
该控制器由等效扰动信号、被控对象、对象模型、内模控制器、反馈滤波器及参考输入滤波器组成。
The PID controller is composed of the equivalent interference signal, the controlled objects, the object model, IMC, feedback filter and reference input filter.
对由无源滤波器和有源滤波器串联而成的混合型滤波器的性能进行了分析。
This paper presents the performance analysis of a hybrid filter composed of a passive and active filters connected in series.
该滤波器在采用COSINE滤波器提高阻带特性的基础上，级联了一个SINE滤波器，补偿了其通带衰减。
A cascaded SINE filter is introduced after the COSINE one which improves the stopband characteristics to compensate the passband drop.
针对宽带无线通信要求，提出了一种基于半带滤波器和CIC滤波器级联的上采样滤波器组实现方案。
A solution to implementation of digital interpolation filter for wireless communication system was presented based on half-band and CIC filters.
该算法使用自适应滤波器跟踪回声信道，使用一个辅助滤波器和自适应滤波器一起完成回声消除。
The algorithm USES an adaptive filter to track the echo path, and an auxiliary filter to cancel the echo together with the adaptive filter.
滤波器本身采用经典方法设计，通过在输入输出端口上添加交指型谐振器构成带阻滤波器，可将滤波器的适用带宽拓展50%以上。
The filter is designed by classical method with compact interdigital resonators at both input and output ports, which can extend the operating frequency bandwidth more than 50%.
分析层叠滤波器和秩排序滤波器之间的关系，在正布尔函数基础上，研究秩排序滤波器和层叠滤波器的输出分布。
Connection between stack filters and rank order filters is analyzed, based on the Boolean functions, output distribution of stack filters and rank order filters is researched.
数字滤波器可分为模拟滤波器与数字滤波器两种。
Digital filter can be divided into analogue filter with two digital filter.
数字滤波器可分为模拟滤波器与数字滤波器两种。
Digital filter can be divided into analogue filter with two digital filter.
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