本文设计了一个4阶带通数字滤波器。
他的量带通遍天下,他的言语传到地极。
Their line is gone out through all the earth, and their words to the end of the world.
主要分析了四阶声带通型音箱的设计方法。
The design method of fourth order sound band pass loudspeaker enclosure is analyzed in the paper.
密闭箱和宽带单反射带通是效率最差的设计。
The sealed enclosure and the wide-bandwidth single-reflex bandpass are the least efficient designs.
本文介绍了不对称和对称带通fir滤波器。
In this paper, the nonsymmetrical and symmetrical bandpass FIR filters are presented.
研究了软件无线电中广泛采用的带通采样技术。
In this paper, bandpass sampling technology widely used in software defined radio is studied.
带通反射表面(32)进一步布置在吸收表面上。
A band-pass reflective surface (32) is further disposed on the absorptive surface.
带通采样速率选取是软件无线电技术的关键问题之一。
Selection of band-pass sampling rate is a key problem of the software radio technology.
接下来,宽带双反射带通和导向孔箱体也有很好的效率。
Next in line, the wide-bandwidth dual-reflex and the ported enclosure exhibit very good efficiency as well.
通过应用带通滤光膜,太阳电池的吸收系数降低0.06。
The absorption coefficient is decreased 0.06 by using band-pass filters.
带通滤波器的特性通过两个参数表示:带通中心频率和共鸣带宽。
Two parameters are used to specify the characteristics of a BPF: passband centre frequency and resonance bandwidth.
包括淡入,淡出,音量正常化,带通,合唱,镶边,回声和速度。
Includes fade-in, fade-out, volume normalize, band pass, chorus, flanger, echo and speed.
然而近代电子学对调谐的频率范围很宽的带通放大器提出很多要求。
There is a great deal of demand in modern electronics, however, for bandpass amplifiers .
导向孔和双反射带通箱设计比密闭箱的失真更小一些,但是差别不大。
The ported box and the bandpass designs produce less distortion than the sealed box, but the difference is marginal.
高Q值的开关电容带通双二次节需要很高的电容比和较大的芯片面积。
The realization of high-Q switched-capacitor (SC) bandpass biquadratic- joints require very high capacitor spread and larger chip area.
使用基于瑞利函数的滤波器对奇异点区进行带通滤波,使用间隔22。
First of all, a filter, based Rayleigh function, is applied to the area for band filtering, and next, it uses eight direction Gabor filters with interval 22.
简单的带通型辐射计被认为是相辅相成的遥感地面数据收集传统光谱仪。
Simple band-pass type radiometers are seen to be complementary to conventional spectroradiometers for ground data collection in remote sensing.
同时对太阳毫秒级资料作带通滤波将不同时间尺度的快速起伏分离出来。
In this paper, a band-pass filter is used to separate the components of rapid fluctuations with various time scales from ms-resolution data of solar bursts.
本文分析微带SIR(阶梯阻抗谐振器)带通滤波电路的寄生通带问题。
The parasitic passband of microstrip bandpass filters using parallel coupled SIR (Stepped Inpedance Resonators) is analyzed in this paper.
方法分析了带通采样信号的频谱和规律,导出了低速采样频率的选取公式。
MethodsAnalyze spectrum of the sample signal and propose the formula of common sample frequency in low speed.
调节此滤波器的金属片的尺寸和介质片的层数我们得到了较好的带通特性。
We can get better bandpass filtering properties by adjusting the size of metal sheet and the number of layers.
经过限幅保护,接收放大,检波和带通滤波后,将多普勒频移信号提取出来。
Then after amplitude limiting, to be preamplified, demodulated, bandpass filtered, the doppler frequency shift signal is extracted.
通过键盘设置参数,实现放大器放大增益步进调节、滤波器带通频率步进调节功能。
Its parameters can be regulated by keyboard in order to control amplification and cutoff frequency by step.
其次,通过全面比较分析几种信号采样方式,选定了适合于现阶段的带通采样方式。
Consequently, through the full comparison of several signal sampling modes, the broadband sampling mode is centered out in adaptation to present application.
采用模匹配技术对带通型频率选择表面进行分析,其中单元内的场用有限元法解出。
In this paper, band pass frequency selective surface was analyzed by mode matching technology.
该电路的一个重要特征是:它在单一积木块上能同时获得低通、带通和高通滤波功能。
The important feature of the proposed si circuit is that it can simultaneously obtain lowpass, bandpass and highpass filter outputs, in a single building block.
应用这一方法,在掠角入射下对减反射涂层、全介质反射镜以及带通滤光片进行了计算。
Some calculations are performed on grazing incidence antireflection coatings, all dielectric mirrors and band pass filters using this method.
多模光纤存在严重的模式色散,其带宽距离积受限。为此,分析了多模光纤的带通特性。
Becouse multimode fiber has high modal dispersion which limits to its bandwidth distance product, the band pass characteristics of the multimode fiber was analyzed.
通常来说,效率最高的箱体是两种窄带宽的带通箱设计,其中双反射版本会有小小的优势。
Generally speaking, the most efficient enclosures are the two narrow-bandwidth bandpass designs with the dual-reflex version having a slight edge.
采用碲化铅和硫化锌作为镀膜材料,研制了空间红外光学系统使用的红外多层带通滤光片。
A multilayer band pass infrared thin film optical filter has been designed and manufactured which use lead telluride and zinc sulfide as thin film materials.
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