A new approach for decreasing the amplitude characteristic deviation of Gaussian filter in surface roughness measurements is presented.
提出了一种减小表面粗糙度测量用的高斯滤波器幅度传输特性偏差的新方法。
The all-dip migration using ladder difference scheme not only effectively removes cross-interference but also preserves amplitude characteristic of steep-dip reflections.
其中阶梯型全倾角偏移既能有效地消除交叉干扰,又能保持大倾角反射波的振幅特性。
In the paper the amplitude characteristic of echo signal and its conjugate signal are analysis, based on that a detection method based on conjugated FRFT in sea clutter is proposed.
文中分析了回波信号以及其共轭信号的FRFT幅值特性,并利用此特性提出了一种基于共轭FRFT模函数对消的海面运动目标检测方法。
The paper expatiated it on the basis of different algorithms in this field by dividing them into two categories named as feature point method and amplitude characteristic ratios method.
本文综述了采用示波原理间接测量血压方法的研究进展,并介绍了波形特征法和幅度系数法两类血压判别方法的基本原理,对影响其测量精度的因素进行了分析。
The characteristic of resonance is that the amplitude of the rotor increases rapidly, and the vibration of the unit will be destroyed.
共振的特点是转子的振幅增大很快,机组将剧烈振动导致了机组被破坏。
Mapped the FIR digital filter design of amplitude frequency characteristic curve.
绘出设计的FIR数字滤波幅频特性曲线。
The modulation characteristic is an important characteristic of amplitude modulator.
调制特性是振幅调制器的一项重要特性。
Therefore, seismic amplitude as well as attenuation characteristic attribute may be much better than velocity one for the detection of the fracture system.
因此,利用地震波的振幅、衰减等属性参数检测裂缝特征比利用速度参数更有效。
Besides amplitude, phase and Doppler frequency, polarimetric information is the fourth characteristic in the radar echo.
雷达回波信号中,除幅度、相位和多普勒频移外,还存在第四特征——极化信息。
First, the generation mechanism, components and frequency characteristic of radiated noise of naval ships are studied. There exists periodical modulation for the amplitude of propeller noise.
首先讨论了舰船辐射噪声的产生机理、构成和频率特性,指出螺旋桨噪声的振幅存在周期性调制。
The characteristic of the amplitude Nth power squeezing of binomial like state without vacuum has been investigated.
文章研究了不包含真空态的类二项式迭加态的光场的振幅N次方压缩特性。
The experiments indicate that the amplitude of plasma optic signal and fluctuation can be used as characteristic signal for real-time monitoring and control for titanium laser welding.
上述试验结果表明,可以用等离子体光信号的幅值高低和波动大小作为焊接质量实时监测和控制的特征信号。
Based on sea clutter reflectivity mechanism, this paper analyses the amplitude distribution characteristic, correlation characteristic and spectrum characteristic of sea clutter in depth.
基于海杂波散射机理,深入分析了高分辨雷达的海杂波幅度分布特性、相关特性和谱特性。
Frequency response characteristic and amplitude response characteristic have been measured.
测量了幅度响应特性和频率响应特性。
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。
The imposition of a curved phase characteristic reduces the peak amplitude of the waveform .
曲线形相位特性减小了波形振幅峰值。
Sedimentary characteristic analysis shows that sedimentation ply thick and acreage amplitude of middle and lower parts of Cretaceous have better hydrocarbon source rock.
沉积特征分析表明,在没有钻井揭示的白垩系中、下部,其油气潜力有可能比泰州组更加可观,是很好的烃源岩。
The effectiveness for the amplitude of signal being used as the characteristic parameter has been proved by a theoretical analysis approach.
在此基础上进一步从理论上证明了信号幅值作为损伤特征参量的有效性。
Compared with the amplitude-frequency characteristic of the window functions often used at present, its property has an advantage over the rising-cosine function improved.
与目前常用的几种窗函数的频率特性相比较,其性能优于改进的升余弦窗函数。
The equipment combines interferometer with amplitude comparing and direction finding technology. Because of its monotype characteristic, it is suitable for flexibility and little load situation.
该测向设备应用了干涉仪加比幅的组合测向技术,具有小型化特征,特别适合应用于高机动、小载荷的宽带瞬时测向场合;
The damping characteristic is relevant with the air spring structure and is influenced by external excitation frequency and amplitude.
空气弹簧的阻尼特性与空气弹簧本身结构有关,同时还受外界激扰频率及振幅的影响。
The characteristic of SC noise manifests the dynamic responses of typical SC spectral structures to the seed pulse amplitude noise that are closely related to the evolution.
超连续谱的噪声特性与光谱演化状态密切相关,是光谱特征结构对抽运脉冲强度噪声响应的动态表征。
The CAA can study and analyse the effects of all elements on the amplitude-frequency characteristic of active Filter systematically.
该CAA能系统地研究和分析二阶低通有源滤波器的各元件值对幅频特性的影响。
0 statistical analysis software to process data with average amplitude and integrated EMG characteristic parameters.
0对时域特征参数平均振幅和积分肌电进行数据处理。
With the methods of theoretical analysis, this paper reveals and researches the result of frequency offset and dynamic bandwidth of a filter network in its amplitude-frequency characteristic.
本文通过理论分析揭示并探讨了滤波网络扫频测量时幅频特性的频率偏移和动态带宽现象的成因。
Then the every frequency amplitude of auditory correlogram was coded as a feature vector expressing present frequency band characteristic.
并将听觉相关图中每个频带的频率分量幅值进行特征编码作为表征当前频带特性的特征向量。
To derive mathematical model, dynamic characteristic equations are obtained and the pulse amplitude and time of input shaper was calculated.
通过建立系统的数学模型,求出了动态特性方程,计算出这三种输入整形器脉冲序列的幅值和时间。
In this paper, a signal processor, which can measure frequency, amplitude and amplitude-increasing velocity, is contrived by making full use of these three characteristic parameters.
文中充分利用了目标信号的频率、幅度和增幅速率这三个特征量,设计出具有幅度检测、增幅速率检测、带外干扰信号检测的信号处理器。
The effect of explosive characteristic on the amplitude of explosion seismic wave is studied by means of comparing experiments on ground motion caused by FAE and TNT located near the ground.
通过近地表同药量的燃料空气炸药(FAE)和TNT爆炸地震对比试验,研究了炸药性能对爆炸地震波幅值的影响。
When the discharge occurs at different position, the discharge position can be located by the difference of amplitude-frequency characteristic of the signal measured at the same point.
不同位置发生放电时,可利用同一测量点所测信号根据其幅频特性的不同来确定放电位置。
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