补偿波电阻率测井是哈里伯顿公司随钻测井仪器LWD的电阻率测井项目。
The compensated wave resistivity logging is a resistivity measurement of Halliburton′s LWD.
对测试仪的光学系统的波像差进行了估算,选择了合适的离焦量来补偿波像差,并对系统离焦后的像差进行了验算。
Estimate the wavefront error of the whole optical system, and select a proper defocus length to improve the wavefront error, and then check the system's aberration after defocus.
文中证明了,自返平面列阵具有补偿畸变的能力,不是由于产生位相共轭反射波,而是由于自返光线的叠加和自返元件的特性。
It is shown that the compensation for distortion does not result from the production of the phase conjugate reflected waves, but from the interaction of retro-reflective waves.
小波变换作为频率和时间的二元函数,使之可以很方便地在频率和时间域中同时进行地震波能量的吸收衰减补偿。
Wavelet transform involves the two-variate function of frequency and time, which makes it convenient to simultaneously compensate for attenuation of seismic energy in frequency and time domains.
井眼补偿技术用于与波的传播有关的测量,如声波、传播电阻率和电磁波传播测量。
The technique is used for measurements that rely on the propagation of a wave, such as sonic, propagation resistivity and electromagnetic propagation measurements.
其他类型的静校正手段用以在估算震源和接收器成像和波信号差异中进行信号补偿。
The other types of statics are utilized for signal compensation in evaluating the difference among the source, receiver imaging and wave signal.
从各种随机噪声的轧制力信号这一复杂高频干扰周期波中分离出偏心信号,控制轧机在压下系统实现对偏心的补偿,以提高热轧带钢的厚度精度。
The system of roll mill press down is controlled to compensate the thickness variation of the hot strip mill so as to improve the hot-rolled strip thickness accuracy.
为了保持原始地震记录的相对强度,可以稳定的海底反射波作参考层,估算目的层的补偿值。
In order to preserve the relative intensity in - formation in raw seismic data, we can consider the sea-bottom reflection as reference layer to estimate the compensation value of target stratum.
在机械装置和波登管之间安装了双金属元件,用来补偿外壳内环境温度波动的影响。
A bimetallic element is fitted between the movement and Bourdon tube to compensate for fluctuations of ambient temperature at the case.
针对采用调频连续波(FMCW)体制的天波超视距雷达的应用场合,提出了一种电离层扰动(慢相径变化)补偿改进算法。
This paper presents an improved arithmetic for extracting and compensating the phase-path variations caused by the ionospheric disturbance in a HF sky-wave OTH radar with FMCW waveform.
在深入研究视频图像冗余离散变换特征的基础上,提出一种用于视频编码运动补偿技术的小波域不规则三角形网格构造方法。
This paper discusses the feature of redundant discrete wavelet transform and proposes an irregular triangular mesh design method in wavelet domain for motion compensation in wavelet video codec.
并在分析了视差和残差图像的统计特性后,提出了一个基于小波变换的视差补偿残差(WDCD)的编码方案。
After analyzed the statistical characteristics of disparity and residual image, a new coding scheme of disparity compensated difference based on wavelet transform (WDCD) is presented.
详细介绍了PWM式中峰值电流模式控制中的斜波补偿技术的原理。
The paper introduces the theory of slope compensation in the current-mode of control of PWM mode in detail.
任何补偿这类初始脉冲畸变的处理,都能改善反射波的质量。
Any process that will compensate for such distortions of the initial pulse should improve reflection quality.
结果表明,利用该方法不仅能够完全补偿飞秒BBO光参量放大在连续调谐时三波的群速失配,而且能够实现最大的参量带宽。
The results indicate that this method not only can match completely group velocities among three waves, but also can achieve maximal parametric bandwidth for continuous tunable femtosecond BBO OPA.
本文给出了多频连续波雷达的一种实时加速度补偿算法。
This paper presents a new real-time acceleration correction algorithm for multi-frequency radar.
本文在分析地震反射波勘探信号时频分布特性的基础上提出了基于短时傅里叶变换的地层吸收补偿方法。
Stratigraphic absorption compensation based on short-time Fourier transform has been developed by analysing the time-frequency distribution characteristics of seismic reflection signals.
研究发现,基于空域运动补偿小波视频编码的相关帧丢帧补偿机制可以在很大程度上降低码率,提高压缩比,改善图像在极低码率传输中的质量。
Our study finds out that the compensatory system of relevant frame throwing frame can enhance the rate of compression and improve the quality of image transmitted by the lowest code rate.
补偿电流跟踪控制选用三角波比较控制法,并采用带电压前馈控制的比例调节闭环控制。
Compensatory current control adopts triangle wave compare control, and DC voltage control adopts PI closed loop control.
运动补偿问题是制约机载调频连续波合成孔径雷达(FMCWSAR)实现超高分辨率成像的瓶颈。
The combination of frequency modulated continuous wave(FMCW)technology and synthetic aperture radar(SAR)techniques is often used to obtain ultra-high resolution.
验证了共轭波的位相补偿特性,并利用该特性校正了位相畸变的图象,得到了与理论相一致的实验结果。
The phase-compensated property of the conjugate wave was examined, and the phase distortion image was corrected by means of this property. The experimental results obtained agree with the theory.
本文也对最近提出的用于改进相干接收光电前端性能和发射机端的信号波型整形和预补偿的最新算法进行了讨论。
Recent technology advance on transmitter-side DSP such as digital pulse-shaping, pre-equalization and digital nonlinear compensation has also been discussed.
小波变换具有分析性质好和时—频局域化好的特性,而谱白化方法是高分辨处理中一种有效的频率补偿手段。
Wavelet transform has a good analyzing feature and a good time frequency localization. Spectrum whitening is a effective tool of frequency compensation in high resolution processing.
然后提出了基于幅度动态补偿和分数内插的相位动态补偿技术来实现对直达波干扰抑制方法;
Second, a solution based on amplitude dynamic compensation and fractional interpolated phase dynamic compensation is introduced.
在新控制算法中,除了在传统算法基础上增加了状态补偿外,还引用了小波变换来对跟踪误差进行了滤波而没有相位补偿。
The new learning control rule not only incorporated a state compensation in the conventional ILC formula but also adopted the wavelet transform to filter learnable tracking errors without phase shift.
在新控制算法中,除了在传统算法基础上增加了状态补偿外,还引用了小波变换来对跟踪误差进行了滤波而没有相位补偿。
The new learning control rule not only incorporates a state compensation in the conventional ILC formula, but also adopts the wavelet transform to filter learnable tracking errors without phase shift.
采用时间增益补偿技术,补偿超声波在空气中的衰减,减少回波信号的起伏;由有源全波整流电路和微分电路等组成峰值时间检测电路,可正确检测回波的峰值到达时间。
The peak time detecting circuit which is composed of full-wave rectification circuit and differential circuit can detect the reach time of echo signal accurately.
结果表明,在满足补偿同等诸波的条件下,混合型滤波器容量明显减小。
The result of comparing the hybrid active filter with parallel active filter shows that the capacity of inverter of hyb...
结果表明,在满足补偿同等诸波的条件下,混合型滤波器容量明显减小。
The result of comparing the hybrid active filter with parallel active filter shows that the capacity of inverter of hyb...
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