1) filter transmission band
滤波通带
2) Band-pass filter
带通滤波
1.
A method of runway detection based on band-pass filter
一种基于带通滤波的机场跑道提取方法
2.
The integrated active filter chip MAX275 is used in the electric circuit as a band-pass filter to filter noise.
电路中使用了MAX275芯片对信号进行带通滤波取得了很好的效果。
3.
The band-pass filter product is designed with favorable automatic follow of electronic product, and with favorable automatic follow capability, filtration effect and stability.
重点设计了不平衡量的测量系统,研制了具有自动跟踪性能、滤波效果和稳定性良好的电子乘积式自动跟踪带通滤波器(MDAC)。
3) Bandpass filter
带通滤波
1.
The algorithm of the designed digital linear phase bandpass filter and DFT demodulation are successfully applied to the unbalanced amplitude and phase demodulation of the textile cup and carding roller dynamic balance machine.
设计了数字线性相位带通滤波及ＤＦＴ解调算法，并成功地将其应用于纺杯分梳辊动平衡机不平衡量幅度及相位解调中。
2.
The architecture of polyphase bandpass filter is presented based on the study of the generalized digital down conversion and polyphase filter architecture, and variable bandwidth digital downconvertor(VB-DDC) is designed.
为了使数字下变频器适应多种带宽信号的处理能力,在研究数字下变频和多相结构运算特点的基础上,提出一种多相带通滤波结构。
3.
In this article the main classic QRS detection algorithms such as Derivative-Based Algorithms,Matched Filter,Bandpass filter,Wavelet-based algorithm,Mathematical Morphology,Length and Energy Transforms,along with an approach based on mathematical morphology and wavelet.
本文分别对差分法、匹配滤波法、带通滤波法、小波变换法、形态学方法、长度和能量变换法这六种经典QRS波检测算法以及一种基于数学形态学及小波分解相结合的算法进行了原理阐述和检测效果对比,结果表明:经典算法通常能满足需求,但当噪声干扰十分严重时,联合算法更准确。
4) band pass filter
带通滤波
1.
Design of band pass filter based on MAX267
基于MAX267带通滤波器的设计
2.
This paper deals on the method of ZOOM FFT based on analytic signal and band pass filter, which is different from other methods of ZOOM FFT.
介绍了一种基于解析信号和带通滤波的频率细化分析技术 ,讨论了其和传统的频率细化分析技术相比较所具有的特点。
3.
With the aid of band pass filter,and scale separating method,the various mesoscale systems of a torrential rain occurred in Yunnan area from 30 May to 2 June in 2001 are analyzed.
应用Barnus带通滤波方法 ,对 2 0 0 1年 5月 30日～ 6月 2日云南初夏罕见的暴雨天气过程进行了尺度分离 ,初步揭示了此次暴雨天气发生的流场、能量场和动力场的中尺度特征 ,对提高暴雨天气预报能力具有积极意义。
5) band-pass filtering
带通滤波
1.
A Morlet-like wavelet cluster based method for band-pass filtering and envelope demodulation is described.
本文提出了一种基于小波簇的带通滤波和包络解调方法。
2.
Using band-pass filtering characteristic of Morlet wavelet in frequency area,a method for identifying frequency of vibration systems directly on scalograms by changing frequency bandwidth of Morlet wavelet is studied.
利用Morlet小波在频域的带通滤波特性,对通过改变Morlet小波的带宽,直接在尺度图上识别振动系统频率的方法进行了分析研究。
3.
In this paper, a global optimization algorithm, simulated annealing algorithm is employed for the design of optimum band-pass filtering parameters such as central filtering wavelength, wavelength interval, filtering bandwidth, etc.
带通滤波技术是纯转动喇曼激光雷达系统的关键单元技术,由非优化的带通滤波参数将直接导致系统探测灵敏度的降低、温度探测精度的恶化等严重后果。
6) bandpass filtering
带通滤波
1.
The model seismic data processing shows that the model-subtract method is more superior to the bandpass filtering in cohere.
并利用对模拟地震资料的处理,证明了RT域模拟-相减法较其带通滤波法在相干噪声压制与反射信号保持方面具有明显优势。
2.
In practice, the commonly used methods for elimination of coherent interference are muting, bandpass filtering,F-X predictive filtering, wavelet transform elimination, and mean-weighted elimination.
地震资料处理实践中 ,消除相干干扰采用的技术一般为切除、带通滤波、F -X预测滤波、小波变换及均值加权等。
补充资料：低通数字滤波
低通数字滤波
影像学术语。数字成像方式中数字图像平滑方式之一。图像数据的统计涨落相当于频谱的高频部分，使用数字滤波器滤掉高频成分，保留图像信息中的低频和中频部分，即可达到平滑的效果。进行低通数字滤波平滑前，要首先用傅立叶变换把图像信息由空间域变换到频域上，即转换为频谱，经过滤波后再用傅立叶逆变换转换为图像信息，这样就可以得到平滑后的图像。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条