In conclusion , the experiment results show that it is feasible to combine the photorefracitve crystal with the joint transform correlator 研究结果表明，将光折变晶体与联合变换相关器相结合构成光折变联合变换相关器是可行的。
The fpga and dsp architecture has been used in the digital correlator , by which the spread spectrum signal can be demodulated at the intermediate frequency 数字相关器采用fpga + dsp的结构设计,实现了扩频信号在中频的解扩解调。
The paper analyses the signal processing with emphasis on signal to noise ratio ( snr ) in output of correlator and snr in signal power spectral density 并对算法处理中相关器输出中的信噪比（ snr ）和功率谱密度中的snr进行了重点分析。
Eventually , the digital correlator of the modificatory structure is designed and realized by fpga , and it manifests very high and reliable correlative performance 最后用fpga芯片设计并硬件实现了修正结构的数字相关器，这种结构的数字相关器具有很好的工作性能。
We contrived a new optical correlator which can perform 1024 - 1024 2 - dimensionality correlation per microsecond . the usage of time - integrating correlator in lpi radar was studied 本文设计了一个每秒完成1 , 000 , 000次1024 * 1024二维相关的lpi雷达专用顺序付氏变换相关器。
However , the correlation signal obtained by the classical joint transform correlator ( jtc ) is associated with large correlation sidelobes , large correlation bandwidth , and low optical efficiency 但经典的联合变换相关存在大的相关旁瓣、很大的相关带宽和低的光效率等。
And the photorefractive edge - enhancement joint transform correlator can provide higher 1 correlation peak and narrower correl ation width with the presence of electric - fields 应用于光折变边缘增强联合变换相关器时，通过外加电场，可使联合变换相关器的相关识别性能进一步改善。
The output components of the de - spreading correlator are analyzed and the expressions for the pf and pd of the step acquisition are given under the condition of additive white gauss noise 并在接收端噪声为加性白噪声情况下，对解扩相关器输出成分作了详细的分析，推导出了步进搜索时的虚警概率和检测概率的公式。
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。
And the output components of the despread correlator under the condition of additive white gaussian noise ( awgn ) are analyzed to derive the expressions for the false alarm probability and the detection probability 同时也对解扩相关器在接收端噪声为加性白高斯噪声情况下的输出成分进行了详细分析，推导得出大步进搜索的虚警概率和检测概率的公式。
