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滤波器     
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  filter
    Study on Active Power Filter and Dynamic Voltage Restorer Based on One-cycle Control Theory
    基于单周控制理论的有源电力滤波器与动态电压恢复器研究
短句来源
    Research on the Key Techniques of Shunt Active Power Filter
    并联有源电力滤波器实用关键技术的研究
短句来源
    Design of a Kalman Filter(Ⅰ)—Application in Inertial Navigation Systems
    卡尔曼滤波器的设计(一)—在惯性导航系统中的应用
短句来源
    Tracking Algorithm for the Optimal Control of Constant Gain Filter with Unknown Parameters in System
    系统中含有未知参数的常增益滤波器的最优控制的追踪算法
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    AN ADAPTIVE RECURSIVE FILTER FOR SYSTEMS WITH MULTIPLE TIME DELAYS
    多重时滞系统的自适应递推滤波器
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  filters
    A Study on New Detection and Control Approaches of Distortion Currents for Active Power Filters
    有源电力滤波器谐波电流检测和控制新方法的研究
短句来源
    A Study on Intelligent Detection and Control Approaches of Distortion Currents for Active Power Filters
    有源电力滤波器谐波电流智能测控方法研究
短句来源
    THE APPLICATION OF SELF-TUNING FILTERS IN DESIGN DYNAMIC SHIP POSITIONING CONTROL SYSTEMS
    应用自校正滤波器的动态船舶定位系统设计
短句来源
    Performance Simulation of Adaptive Filters Based on Multi-layer Linear Neural Networks
    多层线性神经网络自适应滤波器性能仿真
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    Neural Networks-Based Nonlinear Adaptive Filters and On-line Fault Detection
    神经网络自适应非线性滤波器及在线故障检测
短句来源
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  wave filter
    The Study of Cascade IIR Notch Wave Filter to Reject Periodic Interference in Partial Discharge Measurement on Line
    抑制局部放电在线监测中周期性干扰的级联式IIR陷波滤波器的研究
短句来源
    Secondly, we chiefly accomplish the module of digital signal processing except for modules such as communication module and interactive module on the aspect of software design. The data after A/D sampling will be extracted spectrum characteristic by the FFT. Then signal will be processed by the IIR software wave filter and the self-adaptive software wave filter to filter noise.
    其次,在软件编写方面,除了常用的数据通信、人机交互等模块的软件设计以外,主要是实现信号处理模块的编写,对于A/D采样后的数据,进行FFT变换,然后通过IIR软件滤波器,以及自适应软件滤波器进行噪声滤波处理,提取其频谱特性。
短句来源
    In the paper, the IIR wave filter theory, self-adaptive filtering theory and Fast Fourier Transforms (FFT) theory are detailed introduced. The correlative arithmetic, the imitation realization in the C language or MATLAB, the relevant problems in the TMS320VC5402 DSP realization of correlation algorithm and the questions should be paid attention to are introduced. We also complete the concrete arithmetic compare between DSP program and imitation program.
    在文中较为详细地介绍了IIR滤波器理论,自适应滤波器理论,快速傅立叶变换理论,它们实现的具体算法及其在C语言或MATLAB中的模拟实现,然后谈到了相关算法在TMS320VC5402DSP中实现时应该注意到的有关问题,并将算法的模拟和在DSP中的实现做了比较,完成了相关的程序设计。
短句来源
    At last we sample 32 route biology signal by four double 8 change-over switch CC4097, a apparatus instrument amplifier INA110, a wave filter MAX297, a analog-digital converter A/D678 and programming fixed time or . counter 8253, In order to advance it, I adopt DMA(direct memory access) technology and replace memory technology. We can sample about six points during a cycle.
    利用了4片双8路切换开关CC4097,一个INA110仪器测量放大器、MAX297滤波器、AD678模数转换器以及可编程定时/计数器8253对这32路信号进行了采集,为了提高采样速度采用了DMA技术、交替存储技术,一个周期可采集到约6个样点,完全满足采样要求。
短句来源
    Firstly, analyzed the characteristic of inverse target's modeling method based on linear wave filter, which is quite successful for studying the linear system.
    文中分析了基于线性滤波器的逆对象建模方法的优缺点,指出了非线性系统用这种方法的不足。
短句来源
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  “滤波器”译为未确定词的双语例句
    Analysis of Bidirectional Associative Memory Modeled by Matched-Filters and the Improvement of Its Performance
    双向联想记忆的匹配滤波器建模、分析与性能改进
短句来源
    A NEW NONLINEAR OPERATOR FOR EDGE DETECTION
    一种新的非线性边缘检测滤波器
短句来源
    A Stable Kalman Filtering with H_∞ Error Bound
    具有H_∞误差边界的Kalman滤波器
短句来源
    The UCI-APF has advantages of simple structure,high precision and quick response.
    单周控制有源滤波器具有结构简单、控制精度高、响应速度快等优点。
短句来源
    In order to meet the requirement of dynamic balancing measurement with high precision,an adaptive filtering method based on Harmonic wavelet is advanced for high precisely abstracting the amplitude and phase in the environment of strong background noise with variable frequency structure.
    为满足高精度动平衡测量的要求,以提高不平衡量及其相位的提取精度为研究目标,利用谐波小波的相位锁定和窄带分析能力,设计了谐波小波自适应滤波器,发展了一种能够在强变频率结构背景噪声干扰下确保高精度提取幅值和相位的自适应方法。
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  filter
We characterize the wavelet multipliers, as well as the scaling function multipliers and low pass filter multipliers.
      
For compactly supported gm, n (FIR filter banks) we prove an exponential rate of convergence and derive explicit expressions for the involved constants.
      
This, in turn, is used for designing local orthogonal bases obtained by unitary transformations of a single prototype filter.
      
This in turn, is used for designing local orthogonal bases obtained by unitary transformations of a single prototype filter.
      
The measure for uncertainty is a product of two factors evaluating the frequency selectivity in comparison with the ideal filter and the effective length of the filter in the digital domain, respectively.
      
更多          
  filters
The main purpose of this paper is to give a procedure to "mollify" the low-pass filters of a large number of Minimally Supported Frequency (MSF) wavelets so that the smoother functions obtained in this way are also low-pass filters for an MRA.
      
This phenomena is related to the invariant cycles under the transformation We also give a characterization of all low-pass filters for MSF wavelets.
      
The main purpose of this paper is to give a procedure to "mollify" the low-pass filters of a large number ofMinimally Supported Frequency (MSF) wavelets so that the smoother functions obtained in this way are also low-pass filters for an MRA.
      
We also give a characterization of all low-pass filters for MSF wavelets.
      
Unitary mappings between multiresolution analyses of L2 (R) and a parametrization of low-pass filters
      
更多          
  wave filter
Robust autopilot with wave filter for ship steering
      
A ship's dynamic model with wave disturbances was built and a wave filter was designed by means of an extended states observer (ESO).
      
According to ZBJ65015-89 standard about noise level testing method of woodworking tool, the noise testing for MJ90# and MJC1125 precision panel saws was conducted by using model ND2 precision sound-level apparatus and double frequency wave filter.
      
Our data on the spectral absorbance of the lens and visual pigment of these fishes suggest that the lens pigmentation acts as a short-wave filter to improve acuity of the visual system.
      
Pipelining the unconstrained three-port wave filter adaptor at the bit level
      
更多          
  electric filter
An exposure of these employees to thallium was objectified by analyses of the roasted pyrites employed and the dust from the electric filter.
      
Vertical electric filter and electrical gas purification with natural aeration of the tubular steam dryer
      
Shaking Optimization for Electric Filter Corona Electrodes
      
The advisability of tinting glass mixture in the feeder channel using electric filter dust is demonstrated.
      
An automated system for controlling the operation of shaking elements of electrodes (aeroridges) is suggested, which cleans the electrodes of the electric filter synchronously with the system of pneumatic removal of ash.
      
更多          


The use of the delay line filter as a correcting device for automatic control systems requires fulfilment of certain necessary conditions. Otherwise, the automatic control system will be unstable, or will be so after a minute variation of the system parameters. In this paper these conditions are formulated. It is also pointed out that in some works, these necessary conditions are not satisfied, hence, some of the conclusions of these works require further investigations.

在应用时滞元件滤波器校正连续控制系统时,滤波器的传递函数必需满足几个条件.不然,自动控制系统将是不稳定的;或者当系杭参数稍微变动时,系统既变为不稳定的.本文论述了时滞元件滤波器必需满足的条件,并且指出,某些文献由于没有注意到这些必要条件,因而有些结论需作具体商讨.

An example of utilizing the modern control theory is discussed in this paper.The

本文讨论利用现代控制理论的一个实际例子.被控制的对象是一个带有两个独立绕组的电炉,采用两个热电偶来测量两个不同点上的炉温.炉子上、下部分的温度控制精度优于±2℃.将被控对象处理为具有两个变量的 LQG 系统.数学模型由动态数学模型,卡尔曼(Kalman)滤波器,最佳状态反馈及自适应设置点跟踪组成.此系统已对70多台同类型炉子实现了群控.

By using two YIG single-crystals as resonator, a magnetically-tunable bandpass filter for 3cm waveguides has been constructed. The coupling between cavities is of side-wall-coupled Type. The insertion loss is lower than 2db for a tunable range of frequency of f_0±0.5 GHz within the whole X band except at the high fringe sideband frequency where it is 2.4db. The 3db Bandwidth is 30±5MHz. The stop-band attenuation (f_0±100MHz) is over 35db except individual frequency points. The device features by its compact...

By using two YIG single-crystals as resonator, a magnetically-tunable bandpass filter for 3cm waveguides has been constructed. The coupling between cavities is of side-wall-coupled Type. The insertion loss is lower than 2db for a tunable range of frequency of f_0±0.5 GHz within the whole X band except at the high fringe sideband frequency where it is 2.4db. The 3db Bandwidth is 30±5MHz. The stop-band attenuation (f_0±100MHz) is over 35db except individual frequency points. The device features by its compact and solid structure as well as its small volume(50×55×45mm~3). It has passed the vibration test at frequencies between 32~500 cps and with an amplitude of 2mm as well as superload of 8g. The temperature shift is about range of 1.2~1.5MH_2 per degree.

利用YIG单晶作为谐振器,研制出了三公分波导型磁调带通滤波器,耦合腔体采用侧壁耦合型式。在x波段,(f_0±0.5)GHz频率调谐范围内,器件的插入损耗除高端带边频率在2.4db外,其余频率都在2db以下。三分贝带宽为30±5MHz,阻带衰减(f_0±100HHz)除个别频率点外,其余都在35db以上。器件具有结构紧凑、坚固和体积(50×55×45mm~3)小等特点,经频率32~500c/s振幅2毫米过载8g振动试验器件仍完好。温漂每度约1.2~1.5MC。

 
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