The experimental result shows: In the digital Fourier holography, the reconstructed image and the conjugate image can be obtained by use of Fourier inverse transform directly.
结果表明:直接对无透镜傅里叶数字全息图进行傅里叶逆变换可同时得到与物体完全相同的再现像及其共轭像;
A new algorithm for array synthesis based on inverse Discrete Fourier Transform (IDFT) is proposed in the paper.
基于逆离散傅立叶变换(IDFT)算法,提出了一种新的阵列综合算法。
Compared with traditional inverse Fourier transform method, which used zeros padding method, at the same condition of sampling resolution, the method proposed could decrease the calculation load.
与传统的数据长度补零逆傅里叶变换方法相比,在相同的采样分辨率条件下,该方法能有效减小计算量。
Theoretical analysis shows that the new deblurring function is the Fourier transform of inverse filtering function.
理论分析证明,此新消模糊函数是逆滤波函数的傅里叶变换。
The filter is put on the power spectrum before applying the inverse Fourier transform to yield the correlation output. This technique can be used in pattern recognition of grey level input image.
将这种滤波器放置在傅里叶反变换产生相关输出之前的联合功率谱面上,该技术可以应用在具有不同灰度图像的模式识别中。
The original image was reconstructed exactly through the inverse Fourier transform to the coded image.
对编码的实值图像作逆傅里叶变换,可以准确地重建原图像。
In this paper, the inverse Laplace transform via. fast Fourier technique was presented to solve the inverse heat conduction problem.
本文用通过快速傅里叶变换来进行逆拉氏变换的方法解决导热逆问题。
When the distance between positive and inverse Fourier transform system changes, the CCD is adjusted to the focal plane by variable value of interval between two peaks on CCD with computer.
通过镜组移动改变正、负傅里叶变换系统的距离,用软件比较CCD上两个波峰的间隔是否变化来对CCD进行定焦。
Such numerical solution is iterated for all the waves with different frequencies, and all the numerical solutions are transformed into the light fields in the time domain by inverse Fourier transform.
然后把这种数值解方法分别运用到所有频率的单色波即可就出其对应的光场,而且对所有的这些数值解作逆付里叶变换就可以将其转换为时间领域的光场。
The author has discussed two integral transforms for 2.5-D transient electromagnetic forward modeling, namely, inverse Fourier transform and inverse Laplace transform.
这里讨论了瞬变电磁法2.5维正演模拟中的两个积分变换:傅里叶逆变换和拉普拉斯逆变换。
This paper describes a new method which USES IDFT (Inverse Discrete Fourier Transform) technique to do time domain near field measurement for antenna.
本文提出了一种利用离散付立叶反变换(IDFT)技术完成天线的时域近场测量的方法。
The primary function of the auxiliary signal generator is output sine wave or SWIFT (stored wave form inverse Fourier transform) wave at the scheduled time.
辅助信号发生器的主要功能是在规定的时间段内输出正弦波或者任意波形。
The radix-2 decimation-in-time algorithm based on 16-bit fixed-point operation and pipeline architecture are adopted in the core module IFFT(Inverse Fast Fourier Transform).
核心模块快速傅立叶逆变换(IFFT)采用基于16位定点运算的基-2时间抽取算法和流水线结构。
Substituting the represented points in the proposed random function model and performing the inverse Fourier transform yield the assembles of the stochastic accelerograms.
以所选模型参数代表点代入地震动随机函数模型,即可以得到地震动时程样本集合。
An inverse temporal and spatial Fourier transform is applied to the estimated frequency-wavenumber spectrum, generating trace interpolation of the seismic data.
将逆时间和空间傅立叶变换应用于估计频率-波数谱,从而产生该地震数据的轨迹内插。
The measuring accuracy has been improved due to adopting Inverse Fourier Transform based on adding window in frequency domain.
同时为了减少时域响应的泄漏,进一步提高测量精度,采用了基于频域加窗的逆傅里叶变换;
Through making the inverse Fourier transform to test light source's interferogram, the authors obtained the spectrum of test source.
通过对测试光干涉图做傅里叶逆变换得到测试光光谱图。
Through making the inverse Fourier transform to test light source's interferogram, the authors obtained the spectrum of test source.
通过对测试光干涉图做傅里叶逆变换得到测试光光谱图。
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