基于多层核主成分提取估计器需要将调制信号的训练样本根据各自的频率进行分层。
The estimator based on kernel principal component extraction requires to stratify the training samples of interested signals with respect to their respective frequencies.
实验结果表明,这种检测器对于从强混合噪声中提取弱视频信号是非常有效的。
The experimental results show that the detector is very effective on extracting weak video signal from strong mixture noise.
提出了应用差动放大理论和灵敏度不同的传感器来完成强噪声环境下微弱声信号提取的方法。
A method of sound detection under strong noise conditions is advanced applying the theory of differential amplifier and utilizing transducers having different sensitivities.
自适应预估器能用来提取宽带随机噪声背景中未知频率的周期性信号。
Self adaptive predictor is used to extract periodic signals with unknown frequencies from wide band random noise background.
采用自适应谱线增强器从含有噪声的数据中提取出基频信号。
An adaptive line enhancer based on the above notch filter extracts the fundamental frequency signal from noisy data.
以毫米波敏感器在军事中的应用为背景,对毫米波敏感器信号的波形特征进行分析,采用小波变换进行目标信息的特征提取。
On the basis of the applications of MMW sensors to the munitions, this thesis analyses the wave characters of MMW sensors 'signal, use wavelet transform to extract the features of target information.
该网络从输入语音信号的特征矢量序列中提取出一组固定数目的特征矢量,然后将这特征矢量馈入神经网络分类器进行识别。
It picks up the character vectors of a group of Numbers from the sequence of the character vectors of the input speech signals, and then put the vectors into the NN sorter to recognize.
将单光子探测器的研制分为偏置电压、前置放大、雪崩信号提取、温度控制和数字控制电路五个模块。
The SPD R&D includes five modules: SPD bias voltage, pre-amplification, avalanche signal extraction, temperature control and digital control circuit.
利用多传感器对切削力和振动信号进行监测,通过频率变换提取切削力特征量,采用小波包分解技术提取振动信号特征量。
Signals of cutting force and vibration are measured with multi-sensor and features in frequency domain and time-frequency domain are extracted by using wavelet package decomposition.
大型电力变压器局部放电信号的特征提取是电气设备绝缘在线监测及故障诊断技术领域的前沿研究课题。
The feature extraction of partial discharge signal of transformer is the front research project in online monitoring and diagnosing high voltage insulation failure.
对自由曲面数控加工中主轴电机电流信号的提取技术进行了分析,指出了霍尔电流传感器是行之有效的方法。
It analyzes the technique of extracting the spindle motor current of the Machining Center, correspondingly, points out that Hall current sensor is a very efficient way.
并针对点钞速度给出了信号提取滤波器通频带的计算方法,以及在带内分离强干扰的实用电路。
In the paper, the calculating method of signal extraction filter pass-band according to the paper-counting speed and the utility circuit of separating strong interference in pass-band are given.
将此滤波器应用于复杂噪音背景的话音信号提取,能很好地抑制背景噪声,从而获得清晰的话音信号。
This filter can effectively restrain background noise and acquire clear speech signal when applied in speech signal pick-up from the background with complex noise.
主要叙述在内燃机不停机的情况下,通过选择恰当的传感器,改进传感器的安装方法和合理选择测点来提取机器特征信号。
The character signals of an internal combustion engine in operation were extracted by choosing appropriate sensor, improving the mounting method for the sensor and selecting test point reasonably.
通过对信号进行基于瞬时自相关的瞬时频率提取的方法对中频信号进行分析、识别,然后可以在FP - GA内部构造一个多通道匹配滤波器对信号进行匹配。
The article analyses the signal through the method of gaining instant frequency on the base of instant correlation, then we can make up a multicenter matching filter in the FPGA.
针对火灾探测过程中的光电探测器输出的微弱信号设计了一个微变信号提取放大电路。
A new circuit has been designed and developed for picking up and amplifying the weak signals of a photoelectric detector in fire detecting system.
数据级融合模块主要对多传感器的测量信号进行处理,提取出故障诊断的特征信息。
The data fusion level module mainly handles the metrical data of multi-sensors and extracts the feature of faults.
同时用非线性跟踪-微分器代替差分法来提取微分信号,提高了微分信号的品质。
Meantime, differential signal is distilled by nonlinear tracking-differentiator instead of the method of difference, which improves the quality of differential signal.
实验结果表明,这种检测器对于从强混合噪声中提取弱视频信号是非常有效的。
The experimental results show that the detector is very effective on extracting weak video signal from strong mixture …
该系统采用TI公司TMS320VC5402DSP芯片作为核心处理器,可以对来自于摄像头的模拟视频信号中的图像进行采集、提取、分析一体化处理。
TI's TMS320VC5402 DSP IC chip is used as the central processor of the system so that the video acquisition, video image extract and data analysis can be integrated into one system.
因此,对绝对式编码器提取高质量光栅光电信号的方法需作专门研究。
It is thus necessary to carry out a dedicated study on the methods of extracting high quality grating photoelectric signals for the absolute encoders.
提取了不同型号、不同体制导引头对信号处理要求的共同特征,提出了一种导引头信号处理器通用硬件平台方案。
The common characteristics of different seekers with different architectures are extracted, and a general-purpose hardware platform scheme is presented.
由爆胎模拟实验得到了爆胎信号特征,由此提出了由爆胎特征提取电路、安全电路、逻辑判断电路、点火电路组成的控制器设计原理及压电供能的设计方法;
With a simulation experiment, the signal of tire burst is gained from the piezoelectric sensor. Then design a feature extraction circuit unit, also with the safety circuit.
而数字接收机则可以有效避免这类问题,它可以保留信号的全部信息,采用数字信号处理器对输入信号进行特征提取,分选和识别。
The digital receiver can avoid above problems effectively. It can keep all characters of signals and realize the signal feature extraction, separation and recognition with digital signal processors.
在中低速散射通信中,调制解调器的位同步信号通常从含有同步信息的包络中提取。
In the troposcatter communication at low rate or medium rate, a bit synchronization used by modem is usually extracted from the envelope that contains synchronization information.
而对运行中的电力变压器的绝缘状态实施监测最有效的方法是实时提取使绝缘损坏的局部放电信号。
The most efficient method in monitoring the running transformer's insulated state is to extract partial discharge signals in real-time.
三种目标提取方法在对空中目标声信号的特征提取均具有较高的可靠性,可作为分类器的输入。
The three methods have the high reliability to the airborne sound target, may as the sorter input.
三种目标提取方法在对空中目标声信号的特征提取均具有较高的可靠性,可作为分类器的输入。
The three methods have the high reliability to the airborne sound target, may as the sorter input.
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