介绍了泄漏电流在线监测装置的原理、信号抽取方案和软硬件设计。
This paper introduces the principle, scheme of signal extraction, design of the software and hardware about the on-line monitoring device of the leakage current.
提出一种估计激活函数的新方法，与盲信号抽取定点算法相结合，形成一种新的盲分离算法。
A novel BSS algorithm is presented in this paper by combining the PDF estimation with the fixed-point algorithm.
研究了在信号包络存在细微差异前提下，基于信号抽取与最大似然准则的特定辐射源识别算法。
Aimed at the existing of minor differences of the signal envelopes, a specific radar emitter recognition algorithm is proposed based on the signal decimation and the maximum-likelihood criteria.
在实现ZOOM - FFT算法的过程中，对窄带信号抽取的倍数直接关系到最后结果的精确度。
During the process of ZOOM-FFT, the extracting multiple of narrow band is firmly related to the final result.
接着，探讨软件无线电中的多速率信号处理技术，重点分析软件无线电中的带通信号正交抽取结构；
Then, it discusses multi rate digital signal process (MRDSP) technology in SDR, emphasis is put on the analysis of band pass signal orthogonal sampling structure.
首先对光谱信号进行预处理并抽取了多个关键性的特征参数，通过降维分析得到一组新的特征向量。
The spectrum signal was pretreated and several key characteristic parameters were extracted and then a set of new feature vector was obtained by reducing the dimensions.
其中包括混频器模块、抽取滤波器模块、信号产生器模块。
The system includes mixer module, the abstracting filter module and the signal producing module.
水印的抽取不需要原始音频信号的知识。
The watermark embedded can be extracted without the knowledge of original audio signals.
然后根据降速率信号处理的要求，给出了本文所使用的抽取方案以及具体的半带滤波器设计。
Then according to the request of down-speed signals processing, the extraction scheme and the detailed half band filter design are provided.
从信号中去除高频信息，降低抽样频率而不导致频谱混叠的过程称之为抽取。
Filtering the high frequency part of the signal and reducing the sampling frequency, which does not produce the aliasing, is called sampling.
其中STA264负责抽取视频流并对所领受的信号进行纠错措置。
STA264 is in charge of draw-out video flowing and undertake to receives signal error correction is handled among them.
实验表明，信号光对放大增益的抽取非常重要，在此实验中信号光尚未饱和，放大功率仍有提高的余地。
In experiment, the input signal was not saturated, so the amplification has the potential to be improved.
实验结果表明，该信号测量和抽取算法在有效保留信号精度的同时，显蓍地减少了信号特征向量的维数。
Experimental results show that the feature extraction approach remarkably reduces the dimensionality of the input vector while the characteristics of the signals have been reserved.
本文研究了窄带信号条件下，高倍抽取的数字下变频设计，重点分析了基于CIC滤波器和HB滤波器的多级抽取算法。
This paper studies high decimation ratio of digital downconverter given narrow-band signal, and especially analyze mul? stage decimation algorithm based on CIC filter and HB filter.
由于近来数字信号处理器(DSP)技术的进步，一种将过采样及抽取的概念引入数据采集系统的设计已取得成功。
Recently years, with DSP techniques further developing, it has made successes to introduce the oversampling and decimation techniques into data acquisition system.
叙述了数字电视广播信号回波的数学模型、多级抽取基本原理和目标检测算法。
A mathematical model of DTV broadcasting signal has been set up before reviewing theories of multistage decimation and stating the algorithm of moving target detection.
本课题基于小波理论设计软件算法，提出了模极值线群方法，抽取心电信号中若干具有临床价值的特征：QRS波群组态及其起点和终点、T波、S-T段。
In this paper, several characteristics of ECG from patients, such as QRS complex and its onset and offset T wave and S-T segment, has been detected using wavelet method.
本文提出的水印嵌入算法是数字音频信号独立型的，在抽取水印时不需要原始的信号。
The algorithm proposed in this paper is digital-audio-signal-independent, that is, the original audio signal is not required in the procedure of extracting watermark.
鉴于对离散信号的抽取和对连续信号的采样非常相似，本文还把研究范围拓展到了对离散信号的抽取问题。
Since the decimation of discrete time signals is similar to the sampling of continuous signals, it is also studied in the thesis.
若信号不进行滤波就抽取，信号将出现混叠，那么其关键问题就是抽取前的滤波。
If the signals are sampled before the filtering, the signals' spectrum will be aliasing. The filtering technology is a key issue before the sampling.
采用峰度作为适应度函数，利用粒子群算法对由多个源信号混合而成的信号进行盲抽取。
In the method, peak is used as fitness function, and the PSO algorithm is used to withdraw blindly from several signals.
并且以线性瞬时混合信号为例，实现了对一般信号、声音信号和图像信号以峰度为判别依据的盲分离和抽取。
And we take the linear instantaneous mixtures as an example, and put it into realty in general signals, sound signals and image signals based on kurtosis.
给出了频域抽取二维向量基快速傅里叶变换算法，针对二维频域信号采用频域抽取方法，导出了该快速算法蝶形运算的一般形式并给出了算法实现流程图。
In accordance with the requirements of high speed digital signal processing, the algorithm of radix-4 implemented with FPGA and the integrated architecture and butterfly unit are analyzed.
给出了频域抽取二维向量基快速傅里叶变换算法，针对二维频域信号采用频域抽取方法，导出了该快速算法蝶形运算的一般形式并给出了算法实现流程图。
In accordance with the requirements of high speed digital signal processing, the algorithm of radix-4 implemented with FPGA and the integrated architecture and butterfly unit are analyzed.
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