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- The commonly used migration methods include split step Fourier (SSF), Fourier finite difference (FFD), frequency space domain finite difference (FXFD), and generalized screen (GS). 目前常用的这类方法有分步傅里叶法 (SSF)、傅里叶有限差分法 (FFD)、频率空间域有限差分法 (FXFD)和广义屏法(GS)。
- The message to be transferred can be image or text file, and can be hided in the space domain or frequency domain of the image. 这些要传输的秘密信息可以是文字信息也可以是图象信息,隐藏的位置可以是图象的空间域或频率域内。
- According to the least quantization error criterion of optical wavelet filter in space domain and frequency domain, an optimal wavelet was constructed based on lifting algorithm. 根据光学小波滤波器的空、频域量化误差最小原则,基于提升算法,构造出空、频域量化误差最小的最优小波。
- Finally the translation was evaluated by enumerating in the space domain. 在空域上用多分辨率局域平移枚举法,恢复两枚印章的相对平移。
- By utilizing the character of dissymmetrical fractional fourier transform and combine the algorithm advantage of space domain and frequency domain, it presents a blind image watermarking algorithm. 摘要结合空间域和变换域算法特点,利用不对称分数傅立叶变换的特性,提出了一种图象盲水印算法。
- Signa1 redundancy anylysis on two demension time- frequency space of wavelet transform coefficients[J]. 引用该论文 郎方年;周激流;袁晓;何坤;钟钒.
- At last some additional tetrahedrons are designed specially to fill up the whole bounded space domain with the triangulation of D together. 然后,在引入空间环表定义后,采用广义边界递归剖分法实现有界域的近似四面体网格剖分;
- An IFM method based on optical asynchronous sampling and frequency space compression is proposed. 首次提出了一种基于异步光取样的频率空间压缩法瞬时测频方法。
- The fitting in MLS instead of interpolation in finite difference method (FDM) makes the solution more continuous in the whole space domain without any loss of accuracy. 与有限差分法相比,该方法所采用的拟合思想使得解在全空间域更加连续,同时仍然保持高精度的特性;
- Generalizes the typical watermarking algorithms for CAD graphic data and their merits and drawbacks in space domain, transform domain and parametric domain respectively. 按空域、变换域及参数变换分类方法,概括了目前典型的针对CAD图形数据的数字水印算法,讨论了其优缺点。
- To use the frequency spectrum characteristics in texture classification of remotely sensed imagery,a texture classification algorithm based on minimum distance in frequency space is put forward. 为了将频谱对纹理特性的表征能力应用于遥感图像分类提出了基于频域最小距离遥感图像纹理分类算法。
- Three parameters in stimulation space domain of lustre sensation physiology that is physiological reflectional value Y1, physiological lustre value Y2 , physiological diffuse light value Y3. 在生理学领域光泽感的刺激空间域提出了生理反射量Y1,生理光泽量Y2,生理漫射量Y3等3个参量指标;
- By means of nonsymmetric difference schemes, we split up the space domain into several subdomains for which the solutions can be separately found and the computations can be made in parallel. 利用非对称差分格式,通过格式组合,将空间区域分裂成若干子区域,然后使每个子区域独立求解,且各子区域上的计算可以并行。
- Then it inserts the fragile watermark into LSB in the space domain of previous watermarked image.Moreover, it designs a rule to distinguish malicious tamper from unintentional tamper. 实验不仅考察鲁棒水印抵抗攻击的鲁棒性,而且还考察脆弱水印对鲁棒性的影响和篡改检测与定位的能力。
- Frequency Space Characteristic Impedance 频率间隔特性阻抗
- Some important parameters closely relating to the current research topic, such as frequency range, frequency spacing, damping ratio, mass ratio and total number of MTMD, are investigated. 一些和研究主题相关的参数,例如:MTMD的频率范围、频率间格、阻尼比、质量比与总个数等,亦在本文中加以探讨。
- Space domain scanning (SDS) function 空间扫描函数
- He varied the transmission frequency. 他变换了无线电传送的频率。
- A unit of frequency equal to one cycle per second. 赫兹频率的单位,等于每秒一周
- A Space Domain Filter for Stain Removal from Document Images 消除文字图像污渍的一种空域滤波方法
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- 深远海浮式风电平台 - deep-sea floating wind power platform
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- 京雄高速公路 - Beijing-Xiongan expressway
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- 农业及相关产业增加值 - the added value of agriculture and related industries