| 1. | Application of bp neural network in correlated
Bp神经网络在光学相关器相关峰识别中的应用 |
| 2. | Analysis of decision threshold for optical correlation receivers in ocdma system
光码分多址系统中光学相关接收机判决阈值的分析 |
| 3. | The theories and experiments of the nonlinear joint transform correlation recognition and the photorefractive correlation recognition are investigated detailedly in this thesis
本文对非线性联合变换相关识别和光折变光学相关识别进行了较详细的研究。 |
| 4. | The detection of correlate peak is one of bottlenecks of optical signal processing in lpi radar . we devised the smart pixels and ram camera to solve this problem
相关峰的检测与测量是光学相关器的瓶颈之一，本文提出了智能像素技术和ram摄像技术，解决了相关峰检出和测量的问题。 |
| 5. | Firstly , the analysis and comparison is made between two basic types of optical correlator : the vander lugt mfc and the jtc . and the concept of the general optical correlator is proposed
首先比较研究了两种基本的光学相关识别理论： vanderlugt匹配滤波相关识别和联合变换相关识别，并提出了一般化光学相关识别的概念。 |
| 6. | On the optical signal processing , we argumented the feasibility of optical processing for lpi radar application , then estimated the capability of optical signal processing under today ' s technology especially vlsi technology
在光学信号处理方面，论证了光学相关器在lpi雷达中应用的可能性，估计了在目前技术条件下光学相关器可能达到的性能。 |
| 7. | So optical joint transform correlation is proposed . optical joint transform correlation can recognition automatically , conquer drawback of filter - based correlator , and it is suitable for real - time processing , can achieve well recognition
进而人们提出了光学联合变换相关的方法，通过光学相关的方法进行自动识别克服匹配相关的缺点，即能实现实时，又能实现高精度。 |
| 8. | Holographic data storage is a subject of considerable current and commercial interest . volume holographic storage ( vhs ) has attracted interest because of its potential in high - density and fast parallel readout . photorefractive crystals ( e . g . ,
体全息存储是一种高速并行读取的信息存储技术，在海量信息存储、光学相关图像库的建立、光学滤波器等方面取得了较大的进展。 |
| 9. | So optical joint transform correlation is proposed . optical joint transform correlation can recognize automatically , overcome the drawback of filter - based correlator , and it is suitable for real - time processing , can achieve better recognition result
进而人们提出了光学联合变换相关的方法，通过光学相关的方法进行自动识别克服匹配相关的缺点，即能实现实时，又能实现高精度。 |
| 10. | By comparing the image - preprocessing results of different processing algorithms , an optimized algorithm was decided to ensure satisfying correlation snr and preprocessing rate to be obtained . synthetic discriminant function ( sdf ) filters of the 3 - d targets were designed and the reference filter libs ( rfl ) were constructed to provide high correlation snr . real - time distortion - invariant optical correlation was realized by temporal - spatial multiplexing technique
为了保证opr系统有高的相关信噪比( snr )及良好的实时性能，本文对不同图像预处理算法的处理性能及效果进行了比较分析，为opr系统选取恰当的图像预处理算法提供了依据；将时间多重化技术与空间多重化技术相结合，设计制作了三维目标的可实时刷新的sdf参考滤波器库，为opr系统提供了高snr的相关输出，从而实现了opr系统对目标的实时畸变不变光学相关；将人工神经网络( ann技术)用于相关信号后处理，有效提高了opr系统的识别效率。 |
