提出一种适合作为二次变换元件使用的通用型应变传感预制结构——光纤光栅应变片。
A new general prefabricated strain sensor called FBG strain gauge is designed, which can be used as a quadratic transform component.
二次型化标准形常采用配方法，而二次型化标准形等价于它的矩阵合同对角化，文中利用初等矩阵和初等变换之间的关系。
Method of completing square is often used when transforming a quadratic form into a normal one, whose process is equivalent to making the relevant matrix contract diagonal.
水印信息经随机置换与LDPC编码，对经过二次整数变换之后的直流分量进行修改实现水印的嵌入。
The watermarking information that is stochastically permuted and coded by LDPC is embedded in the modified DC components which are attained by integer transform twice.
计算中所运用的二次插值及座标变换方法，在文中作了介绍。
This paper describes also quadratic interpolation and the method of transformation of coordinates used in the calculation.
借助矩阵的合同变换法，给出了化实二次型为标准形的方法、求标准正交基的方法，并给出了正定二次型判定定理的新证明。
By means of congruent transformation in matrix, the method of transforming real quadratic form into standard form and the method of normal orthogonal basis are given in this paper.
该软件包具有模型变换、系统分析、极点配置控制、最优控制、次优控制、LQG、二次型权矩阵早优和系统仿真等功能。
The package has the functions of modelling, system analysis, pole-placement control, optimal control, suboptimal control, LQG, selecting quadratic weighing matrices and system simulation etc.
另一方面，引力场的能量动量又可以表示为平移规范场强的二次齐式因而在广义坐标变换下协变。
On the other hand, it can also be expressed in terms of the translation gauge field strength and therefore is covariant under general coordinate transformations.
给出了二次曲面在转轴变换下的六个不变量的简易证明。
A simple proof of six invariants under the transformation of spin axis is put forward.
本文将相位分析技术中的傅立叶变换法(FTM)引入二次曝光全息干涉计量中，提出了二次曝光数字全息干涉术。
In this paper, we apply the Fourier transform method (FTM) of the phase analysis method to double-exposure holographic interferometry and propose double-exposure digital holographic interferometry.
本文给出了化不含平方项的两类特殊二次型为标准形的一种直接选取满秩线性变换法。
The paper teus a direct way to select nonsingular linear transformation by changing two special quadratic forms without square terms to the standard form.
提出了利用二次模变换计算同杆双回输电线路潜供电流与恢复电压稳态值的方法。
A new method for calculating secondary arc current and recovery voltage on double-circuit transmission lines by twice-model transformation was proposed.
这里，主要对二次处理的方法作了详细的介绍，包括时域信号的统计特征，频域分析的傅立叶变换和短时傅立叶变换。
Here, secondary treatment methods are introduced in detail, include time domain signal statistics character, frequency analysis fast Fourier transform (FFT), and short time Fourier transform (STFT).
提出了一种变换法，使对偶绝对二次曲面像的各个元素变到同一个数量级上，可以使求解过程更具有鲁棒性。
To solve the problem, the method that all the elements of the image of dual absolute quadric are transformed into the same magnitude is proposed.
分别讨论了功率因数校正模块、双正激变换电路模块和二次斩波模块的建模方法。
The model setting up method of the three module which include power factor correction circuit, two-transistor forward converter, secondly chopper circuit, is discussed in detail.
应用dct和DWT两种变换方式对信息进行二次隐藏，根据相关理论提出隐藏的算法和实现的可能过程，并对实现中可能存在的不足和改进进行了简要分析。
This paper proposes to use DCT, DWT to hide the information twice, and provides the hidden method and the possible processes based on the correlative theory.
二次细分网格位移边界值采用等参逆变换法由一次网格的计算结果插值得到。
The displacement boundary values of the small model use the results of the large model, which are obtained by interpolating with numerical inverse isoparametric mapping.
本文对一维DCT变换压缩编码中变换域系数二次量化引起的图象损伤进行了频域和空间域分析，得出了一些有用的结论。
The image damage by transform coefficients quantization in ID-DCT transform compression coding is analysed on frequency domain and space domain. Some useful results are obtained.
在有心二次曲线的反演定义、变换式的基础上，推导出此种反演变换的一些性质，通常的关于圆的反演的性质可作为它的特例而得到。
In this paper, we discuss some properties of the reversion for central quadratic curve on the basis of general reversion definitions and its transformations.
提出了一种新的解决方法，即利用二阶keystone变换补偿时间二次项，然后用频域校正算法补偿时间一次项。
A new method which using two order keystone transform to correct quadratic migration and frequency domain correction to correct once migration was proposed.
引入非均匀时延构造虚拟阵列变换的变换矩阵，提出一种基于二次虚拟阵列变换的到达角估计方法。
This paper applies the array manifold interpolation wideband direction finding algorithm on uniform linear array, and gives other two methods of seeking transformation matrix.
以二次光滑小波作为小波函数，对水果红外图像进行二维二进小波变换，计算了小波变换结果的局部模极大值点，从而得到了水果红外图像的轮廓。
A quadratic lubricity wavelet as wavelet function was defined to do the two dimensional dyadic wavelet transform on fruit infrared image, and to get local modulus maxima from the results.
以二次光滑小波作为小波函数，对水果红外图像进行二维二进小波变换，计算了小波变换结果的局部模极大值点，从而得到了水果红外图像的轮廓。
A quadratic lubricity wavelet as wavelet function was defined to do the two dimensional dyadic wavelet transform on fruit infrared image, and to get local modulus maxima from the results.
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