查询词典 low pass filter

There are low-pass filter and high-pass filter, band-pass, band-stop.

有低通滤波器和高通滤波器，带通，带阻。

To solve the problems of the limescale ,the oxidation which are produced by the direct contact between a metallic conductor and water, the detecting reliability and the service life, the utility model adopts the technical proposal as below: the proposal comprises a monostable controllable trigger, a second low-pass filter, a voltage follower and a display circuit, the power circuit links with the monostable controllable trigger, the second low-pass filter, the display circuit and a timebse pulse circuit separately, the utility model is characterized in that the monostable controllable trigger, the second low-pass filter and the display circuit sequentially links, the monstable controllable trigger separately links with a water lever sensor and the timebase pulse circuit.

为了解决金属导体与水直接接触会产生水垢和氧化，影响检测可靠性和使用寿命的问题，本实用新型采用了以下技术解决方案：它包括单稳可控触发器，二阶低通滤波器，电压跟随器和显示电路，电源电路分别与单稳触发器，二阶低通滤波器，显示电路和时基脉冲电路相接，其特征在于单稳可控触发器，二阶低通滤波器，电压跟随器和显示电路依次相接，单稳可控触发器分别与水位传感器和时基脉冲电路相接。

To solve the problems of the limescale ,the oxidation which are produced by the direct contact between a metallic conductor and water, the detectingreliability and the service life, the utility model adopts the technical proposal as below: the proposal comprises a monostable controllable trigger, a second low-pass filter, a voltage follower and a display circuit, the power circuit links with the monostable controllable trigger, the second low-passfilter, the display circuit and a timebse pulse circuit separately, the utility model is characterized in that the monostable controllable trigger, the second low-pass filter and the display circuit sequentially links, the monstable controllable trigger separately links with a water lever sensor and thetimebase pulse circuit.

为了解决金属导体与水直接接触会产生水垢和氧化、影响检测可靠性和使用寿命的问题，本实用新型采用了以下技术解决方案：它包括单稳可控触发器、二阶低通滤波器、电压跟随器和显示电路，电源电路分别与单稳触发器、二阶低通滤波器、显示电路和时基脉冲电路相接，其特征在于单稳可控触发器、二阶低通滤波器、电压跟随器和显示电路依次相接，单稳可控触发器分别与水位传感器和时基脉冲电路相接。

An optimal filter is designed specially for dq transform used in the voltage mea-surement of transfer switch,which is composed of lower-order notch filter and lower-order low pass filter with higher cut-off frequency in series.Its transfer function is presented by theoretical derivation.If the order is same,it is better in measuring the positive sequence of fundamental amplitude than the average filter and the low-pass filter.

针对转换开关电压检测法——dq变换设计了优化滤波器，该滤波器是利用低阶陷波滤波器和较高截止频率低阶低通滤波器串联形成的，通过理论推导给出了该滤波器的传递函数，在相同的滤波阶数下，该优化数字滤波器在提取基波正序幅值的性能比较中，优于平均值滤波法及低通数字滤波器法等。

Active low-pass filter to optimize the design of the Internet to find a good low-pass filter design of the article.

详细说明：有源低通滤波器的优化设计，在网上找的一篇很好的低通滤波器设计的文章。

Two optimal filter are recommed to filter of IMC system,One,is ITAE filter that comform to the minimum integral of time-multiplied absolute error,i,e,J=∫｜e｜tdt→min,Other is Butterworth filter that have a good character of idea low-pass filter.

推荐两种滤波器作为IMC系统的滤波器。一种是ITAE滤波器，它符合时间乘绝对误差积分值最小的优化原则，即J =∫|e|tdt→min ；另一种是Butterworth滤波器，它具有很好的理想低通滤波器特性。

With AudioEdit Deluxe you can perform two-way conversions among CD, MP3, MP2, WAV, WMA, and OGG; open, create, and save audio files in any of the supported formats (can also save any portion of a loaded file to disk as a new file); display audio data waveform (Zoom Full, Zoom In, Zoom Out, Zoom Vertical); play audio files or any portion of the files; record audio data from a microphone or any other available input device; edit audio files visually (Cut, Copy, Delete Selection, Crop, Trim, Paste, Paste From File, Mix, Mix From File); apply various effects (Amplify, Compressor, Delay, Equalize, Fade In and Fade Out, Flanger, Invert, Normalize, Phaser, Reverb, Reverse, Shrink, Silence, Stretch, Vibrato); apply different filters to any selected portion of audio files (Band Pass Filter, High Pass Filter, High Shelf Filter, Low Pass Filter, Low Shelf Filter, Notch Filter); insert noise or silence into audio files; Insert information into audio files (Album, Artist, Copyright, Genre, Title, Year); complete, multi-level undo and redo capabilities; advanced, burn-proof audio CD recording; and much more.

与audioedit豪华您可以执行双程转换之间的CD ， MP3等， mp2 ， wav ，的WMA ，和OGG ；打开，创建和保存音频文件中的任何支持的格式（也可以保存的任何部分，加载文件到磁盘作为一个新的文件）；显示音频数据的波形（放大充分，放大，缩小，缩小垂直）；播放音频文件或任何部分的文件；记录音频数据从一个麦克风或任何其他可输入设备；编辑音频文件的视觉（剪切，复制，删除选择，剪裁，修剪，粘贴，粘贴文件，混音，混音，从文件）；适用於各种效果（放大，压缩，延时，均衡，淡出在和淡出，镶边，反转，正常化，相位，混响，扭转，收缩，沉默，舒展，颤音）；适用於不同的过滤器，以任何选定的部分音频文件（带通滤波器，高通滤波器，高货架过滤器，低通滤波器，低大陆架滤波器，陷波器）；插入噪音或沉默到音频文件；插入信息转化为音频文件（专辑名称，艺人，版权，流派，标题，年）；完整的，多层次，撤消和重做的能力；先进，烧伤证明音频CD烧录；得多。

This invention discloses a duplexer and a multiplexer of the communication system and a method to realize them on a PCB circuit, which applies a 3db bridge and a low pass filter to constitute a hopstreet duplexer without waste band channels, in which, the signals are shunted and combined by the design of the circuit structure and power distribution of the 3-db bridge and phase offset function, the band filter of the low pass filter and the reflection function of a stopband to make up of a costless duplexer in theory to merge the two channels of different frequencies and reduce loss to increase volume and working bandwidth, then a multiplexer is formed by cascading multiple duplexers.

本发明涉及通信设备，公开了一种通信系统双工器和多工器以及双工多工方法，使得双工器和多工器能够在PCB电路上实现，并且体积小、损耗小、成本低、容量大。本发明中，采用三分贝电桥、低通滤波器构成无损耗频带信道合路的双工器，其中通过电路结构的设计并利用三分贝电桥的功率分配和相位偏移功能将各路信号进行分路和组合，利用低通滤波器的频带滤波和阻带反射功能联合三分贝电桥构造一个理论无耗的双工器，使两路不同频率的信道合路，降低的损耗、提高容量和工作带宽。通过多个上述双工器的级联构成多工器。

It holds the prestigious music high-pass filter, low-pass filter sound and taste, are very precise mid-range filter.

它抓住了著名音乐高通滤波器，低通滤波器的声音和味道，，属于非常精确的中档滤波器。

First we give the analysis of the receiver front-end block diagram, link budget and specification allocation. Then, all the sub-circuits , including low noise amplifier, waveguide-to-microstrip transition , image reject band--pass filter, low-pass filter, and sub-harmonic mixer , are described in details.

在接收机组成方案分析，链路计算及指标分配的基础上，结合理论计算和计算机仿真，给出了各单元电路(包括探针式波导-微带转换器，低噪声放大器，镜频抑制带通滤波器，分谐波混频器，低通滤波器等)的设计和仿真结果。

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。