In the paper, the way of detection of signal based on wavelet transform is researched, it analyses and processes signal of the various frequency at different scales.
对基于小波变换的信号检测方法进行了深入的研究,在不同尺度上分析和处理信号的各种频率成份。
The thesis has discussed the calculating of the Lipschitz exponent, and analysised and compared the condition between wavelet bases and singularity detection of signal.
文中对奇异性指数的求解问题进行了较详细的讨论和研究,同时对不同小波基下的信号奇异性检测情况进行了分析和比较。
The simple detection of a radio signal will be sufficient to answer this most basic of all questions.
对无线电信号的简单探测就足以回答这个最基本的问题。
The ratio of signal to noise (S/N) is greatly improved through the phase sensitivity detection.
通过相位灵敏度检测,大大提高了信噪比。
Aspects in particular need of attention include data transmission by countries, assurance of data quality, and the processing and analysis of data, including timely signal detection and action.
尤其需要关注的方面包括各国的资料传输、资料质量的保证以及资料的处理和分析,并包括及时发现疫苗安全问题的“信号”和采取行动。
Since K-Band frequency is 2.5 times higher than X-Band, the multipath signal generated by an intruder is also 2.5 times higher, vastly improving detection of slow and fast-moving targets.
因为K波段比x波段高2.5倍,由干扰产生的多信道信号频率也要高2.5倍,这极大改善了对慢速和快速移动目标的探测。
Chang thinks of this signal detection as a kind of "bacteriostat" mechanism: our cells are monitoring CSF as a way of detecting and adapting to important changes in the gut flora.
张认为这种信号侦察是一种抑菌机制:我们细胞监测CSF作为检测和应付肠道菌群重要变化的方法。
Function signal generator and equipment in the experimental detection circuit with a very wide range of USES.
函数信号发生器在电路实验和设备检测中具有十分广泛的用途。
On the basis of the principle of polarization coding and correlative detection, computer simulation is done for the ideal coded signal and real data, the results prove the effectiveness of the method.
在介绍极化编码及相关检测原理的基础上,利用理想编码信号和实际数据进行了计算机仿真,仿真结果证明了此方法的有效性。
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。
We discuss deeply the methods of edge detection and edge linkage for obtaining the target region of a signal point.
在获得信号点亮度区域的方法中,本文重点讨论了信号点边缘检测和边缘连接的方法。
The problem of LFMCW radar target detection, in essential, is the beat signal processing.
LFMCW雷达目标检测问题最终可归结为对差频信号的处理。
At last, the paper also presents three different applications of the sorting processor to electronic warfare: detection of threating signal, filtering of useless signal and PRF selection filtering.
最后介绍了分选预处理器在电子战中的三种应用:威胁信号检测、无用信号滤波和脉冲重复频率选择滤波。
The theory of railway signal detection and process is analyzed and the realizing of the hardware interface software is introduced.
剖析了机车信号检测和处理的理论,并介绍硬件接口部分的软件实现。
The performance analysis of quadrature correlation detection algorithm for DS-SS signal is presented.
本文给出了直接序列扩频信号正交分路周期相关检测算法的性能分析。
Lock-in amplifying (LIA) is one of important means for weak signal detection.
锁相放大是微弱信号检测的重要手段。
The article introduces the principle of the quench detection system and the characters of the quench signal in the HT-7U CS model coil experiment.
文中介绍了HT- 7u中心螺管模型线圈实验中,失超信号检测系统的工作原理及失超信号特点。
A circuit used for detecting the signal of the micromachined gyroscope with capacitive detection is pre-sented, and its capability of restraining noise is also analyzed.
提出了一种适用于电容检测型微机械陀螺的信号检测电路并分析了其对噪声的抑制能力。
Detection of surface-breaking cracks has been realized by signal processing method using the reference signal from a surface without flaws. The principle and experimental results are given.
本文以无缺陷时的表面回波为参考信号,用信号处理方法,识别表面缺陷回波,从而实现对表面缺陷的检测。文中给出了该方法的原理及实验结果。
Supported by a project, this thesis presents the technology about passive sonar display and signal detection in design of the sonar display console.
本文结合工程项目的需要,介绍了在设计被动声纳显示平台中所使用的信号检测技术和显示处理技术。
Upon reception of a burst detection start trigger signal, a gain control signal is output to an automatic gain control amplifier (201) so as to perform amplification with a maximum value.
当接收到短脉冲检测开始触发信号时,向自动增益控制放大器(201)输出一个增益控制信号,以便用最大值进行放大。
The signal interval time was an important factor affecting the rt of signal detection.
信号间隔时间是影响信号觉察反应时的一个重要因素。
According to the principle of view the Doppler frequency detection, the detector makes up of the transmitter, the transfer circuit, receiver and signal processing circuit.
根据多卜勒频偏检测原理,该探测器由发射机、转换电路、接收机和信号处理电路构成,发射信号是设计的关键。
Traditional methods of signal detection and estimation were based on the assumption that the background noise is white.
传统的信号检测和估计方法一般是建立在背景噪声是白噪声这一假设基础之上。
There exist ambiguities of range and velocity in the signal detection of pulse Doppler radar.
脉冲多普勒雷达在信号检测时存在距离模糊和速度模糊的问题。
Through casing resistivity logging is an important logging technology, and the difficulty in this technology is the detection of weak signal.
过套管电阻率测井是一项重要的测井技术,该项目的一个难点为微弱信号的检测。
The frequencies transition function and the method of signal detection are the key technologies in this system.
频率转移函数设计和信号的检测方法是差分跳频中的关键技术。
Signal recovery is a very important task for detection of radar sonar target and communication signal processing.
信号恢复是雷达声纳目标检测和通信信号处理的一项重要任务。
Signal recovery is a very important task for detection of radar sonar target and communication signal processing.
信号恢复是雷达声纳目标检测和通信信号处理的一项重要任务。
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