Detection of signals in hybrid noise environment is more complicated than that in Gaussian noise only. It involves multi-threshold judgement.
混合噪声中信号的检测比高斯噪声中信号的检测复杂，可能为多门限判决。
In this paper, the authors study the detection of signals in non-Gaussian noise, and employ a multilayer perceptron neural network as a detector.
本文研究了非高斯噪声中信号的检测，采用多层感知器神经网络作为检测器。
This paper describes the principle of singularity detection of signals with wavelet transform. A fast algorithm is developed for computing wavelet transform of signals.
本文介绍了小波变换用于信号突变的检测原理，给出了实现小波变换的快速算法。
Because complex wavelet transforms can exactly identify amplitude and phase information in signal to be dealt with, they are suitable for detection of fault signals in power system.
复值小波变换能准确分辨出信号中所包含的幅值信息和相位信息，因而，适用于电力系统的故障信号的检测。
Characteristics of the defocusing error signals are expressed in the terms of an off-axial detection system by geometric optics. The results are compared with experiment.
本文用几何光学描述了离轴探测调焦误差信号与系统参数的关系，并与实验结果进行了比较。
A detection approach based on wavelet transform is proposed for these self-similar signals, which is obtained from the properties of the self-similar process after wavelet transform.
利用自相似过程在小波分解下的特性，提出了基于小波变换的自相似信号检测算法。
A new gear fault detection and diagnosis scheme based on Hidden Markov Model (HMM) of vibration signals is introduced.
介绍了一种基于振动信号隐马尔可夫模型(HMM)的新的齿轮故障检测和诊断方案。
The endpoint detection based on short-time average magnitude of speech signals relative autocorrelation sequences can be detected in high accuracy under the low signal-to noise ratio.
在较低信噪比情况下，基于语音信号的短时相对自相关序列的短时平均幅度的端点检测能够获得较高的检测精度。
This course explores the detection and measurement of radio and optical signals encountered in communications, astronomy, remote sensing, instrumentation, and radar.
这一门课程是探讨在通信、天文、遥测（遥感）、仪器与雷达上的射频信号与光信号的检测与度量。
To conquer the old wavelet inherent shortcoming, a combine wavelet is designed and used to realize the accurate detection to harmonic contents and frequency of power quality transient signals.
为了克服小波固有的缺陷，本文构造了一种组合小波，并利用它实现了对电力暂态谐波信号含量及频率的准确检测。
The experiment results show that the application of virtual instrument technique in the detection of railway dedicated signals has practical significance and wide application prospect.
实验结果表明，将虚拟仪器技术应用于铁路信号的检测领域具有很强的现实意义和广阔的应用前景。
In perceptual audio coding with low bit rate application, the pre-echo artifact is more distinct, and the effective detection of transient signals is the precondition.
在低比特率音频感觉编码中，预回声失真更为突出，而对其处理的前提是瞬态信号的有效检测。
Optical chemical biosensing is a technique applied to selectively express real-time information of chemical and biological components with optical signals in detection system.
光化学生物传感是以光学信号选择性表达检测体系化学、生物组分实时信息的应用技术。
Detection and classification of weak underwater signals are difficult problems in processing acoustic signals.
水下弱信号的检测和分类是水声信号处理领域中的难题。
The threshold algorithm of the target detection is often used to detect target echo signals.
目标检测的阈值法经常用于检测目标的回波信号。
Low probability of interception (LPI) sonar selects appropriate transmitting signals and reduces the probability of being intercepted by hostile scouting sonar while it maintains detection capability.
低截获声纳通过选择合适的发射信号，在保持探测能力的同时，降低被敌方侦察声纳截获的概率。
Using the optical chopper to modulate the detected light to make it related to the reference squarewave signal is a common method of locking phase detection of weak signals.
其中利用光学斩光器对被测光进行调制使其与方波参考信号相关是对微弱光信号进行锁相检测的一种常用方法。
The method for detection, denoise and realization of signals in chaotic background is difficult.
混响背景下目标信号的检测、降噪方法与实现，一直以来都是一个难题。
This method can be applied to the built in self test of equipment and accomplish on line fault detection of period signals.
该方法可应用到设备内部自测试中，并可完成周期信号的在线故障检测。
This method also has characteristic of low amplitude detection threshold, it can detect weak signals with amplitude value smaller than 10-3 level.
该方法还具有幅度检测门限值低的特点，可对幅度为10 - 3级以下的信号进行检测。
To improve the detection performance of passive sonar, present dissertation addresses the blind separation of underwater acoustic signals.
基于提高被动声纳的检测能力，对水声信号的盲源分离技术进行了探索性研究。
The method of detection ability enhancement of surface wave signals for weak events is studied. Moreover, this method is applied to a set of events at regional stations.
本论文对如何提高小震级事件面波信号检测识别能力的方法及该方法在面波信号检测中的应用进行了分析与研究。
The laser detection of underwater acoustic signals exploited a laser receiving technique.
水下声信号激光探测技术采用了激光接收技术。
The hardware of the inductive sensor, the teeth-slot signals detection principle of long stator, and signals processed with DSP are elucidated.
介绍了电感式传感器的硬件结构及其实现电机齿槽信号的检测原理，阐述了DSP获取动子位置的计算方法。
Autocorrelation of frequency-fixed signals always greatly interferes the performance of the detection of frequency-hopping signals based on multi-hop autocorrelation theory.
定频干扰信号的自相关特性严重影响了基于多跳自相关方法的跳频信号检测性能。
The paper deals with the structure and performance of a class of two-sample nonparametric rank detectors used in the noncoherent detection of radar signals.
本文研究一类用于雷达信号非相参检测的双样本非参量秩检测器的结构和性能。
A new model of nonlinear denoise is proposed and applied in the detection of chaotic time series signals.
建立了非线性降噪模型，并且应用此模型进行混沌时间序列信号检测。
Both methods could perform blind detection of LFM signals.
两种方法均可实现线性调频信号的盲检测。
Both methods could perform blind detection of LFM signals.
两种方法均可实现线性调频信号的盲检测。
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