提出变形分数傅里叶变换双随机相位编码技术。
The paper presents encrpytion techniques of double random phase based on anamorphic fractional Fourier transform.
雷达系统中，相位编码信号对多普勒频率非常敏感。
In the system of radar, Doppler frequency is very sensitive to the coding signal.
相位编码信号是在雷达中广泛使用的一种脉冲压缩波形。
Phase code signal is a kind of pulse compression waveform which is widely used in radar system.
相位编码方向对成图的质量及数值的准确性方面贡献不大。
Changing the phase encoded direction had little to do with the accuracy of FA value.
捷变相位编码脉冲压缩技术是一项新的雷达信号处理技术。
The agile phase-coded pulse compression is a new technique in radar signal processing domain.
相位编码信号具有较强的似噪声性和良好的低截获概率特性。
The phase code signals have relatively strong characteristic of noise similarity and good characteristic of LPI.
旁瓣抑制问题一直是相位编码信号处理中一个关键性的问题。
Sidelobe suppression has been a key issue during processing of the phase encoding signals.
在相位编码脉冲压缩技术中，各种码都存在着多普勒失配问题。
There lies Doppler mismatch in every code of phase-coded pulse compression techniques.
论文给出了分析随机波前相位编码体光栅选择性衍射的一种方法。
A diffraction selectivity theoretical analysis method of volume gratings with wave front phase encoding is proposed.
当然，相位编码雷达也存在着距离旁瓣较高和多卜勒敏感等问题。
Phase-coded radar, however, has the disadvantage of higher range sidelobe and Doppler sensitivity.
对于相位编码脉冲压缩雷达方案，重点介绍了其工作原理和实现方法。
For the phase code pulse compression radar, the article gives emphasis to introduce its working principle and realizing method.
基于传统的随机相位编码技术，提出了一种新的相息图量化编码方法。
A new phase quantization method of a phase hologram based on conventional random-phase encoding technique is proposed.
从多种信号中检测识别线性调频信号、相位编码信号、频率编码信号。
Liner frequency modulating signal, phase coded and frequency coded signal are detected and recognized from all kinds of signals.
提出一种利用变形分数傅里叶变换和双随机相位编码对图像加密的方法。
A new optical image encryption method using anamorphic fractional Fourier transform and double random phase encoding is proposed.
本文提出了一种基于相位编码光采样的集成光学模数转换器的新型方案。
The new ADC proposed by us can resolve the restrained relationship between sampling rate and stated bit number, which always exists in the conventional phase-encoded optical sampling method.
针对相参雷达体制，提出了基于极化和相位编码的雷达信号相关检测方法。
The method of correlative detection of radar signal based on polarization coding and phase coding for the coherent radar is proposed in this paper.
为了能在更低的信噪比下恢复出相位编码规律，还对原始相位进行了修正。
In order to restore the phase shift keying rule at lower SNR, the original phase is corrected.
提出了一种利用不对称分数傅里叶变换和双随机相位编码对图像加密的方法。
A new optical image encryption method using dissymmetrical fractional Fourier transform and double random phase encoding was presented.
脉冲压缩；线性调频信号；相位编码信号；目标回波信号；ADS；
Pulse compression; Linear frequency modulated signal; Phase encoding signal; Echo signal; ADS;
提出了一种利用不对称分数傅里叶变换和双随机相位编码对图像加密的方法。
A new optical encryption technique based on double random phase computer-generated hologram of asymmetry fractional Fourier transform is presented.
针对光谱相位编码光码分多址系统（OCDMA）的信息侦听技术进行了研究。
The information eavesdropping techniques of spectral phase-coded OCDMA system were investigated.
相位编码信号是低截获概率雷达信号的主要形式之一，能够提高雷达的生存能力。
As the major type of signals of LPI radars, the phase-coded signals can enhance the radar survivability.
描述一种被称为SZ相位编码的解距离模糊方法在脉冲多普勒气象雷达中的应用。
A method of phase code named SZ code to mitigate range ambiguity applied on a pulse Doppler weather radar is introduced.
雷达信号，其中包括啁啾或相位编码的品种，很容易和快速地对一个单杆基础的特点。
Radar signals, including chirped or phase-coded varieties, are easily and quickly characterized on a single-shot basis.
相位编码扩谱光码分多址（OCDMA）通信系统是近年来OCDMA研究的热点之一。
Phase encode spreading optical code division multiplex access (OCDMA) communication system is one of the research focuses in recent years.
临界混沌状态的周期振子对噪声具有免疫力，而对微弱的正弦信号或相位编码信号比较敏感。
The periodic oscillators at critical state are immune to noise and have sensitive dependence on weak sine signals or phase-coded signals at the same time.
基于相干光的相位编码OCD MA技术依靠光信号的相位变化，利用伪随机序列来编解码。
Based on coherent optical phase encoding OCDMA techniques rely on phase changes optical signals, using pseudo-random sequence for encoding and decoding.
针对相位编码提出一种基于动目标检测(MTD)的多普勒补偿算法来解决多普勒敏感特性。
A Doppler compensation method for bi-phase-coded signal based on Moving Target Detection (MTD) is presented to resolve the Doppler sensitive trait.
四台阶结构相位编码可以实现57个不同的数据态，有望将数据密度提高为传统方法的近6倍。
A quadrant staircase structure (QSS) used as an encoded element can realize 57 different states, and it is expected to enhance the data density 6 times as high as the conventional method.
四台阶结构相位编码可以实现57个不同的数据态，有望将数据密度提高为传统方法的近6倍。
A quadrant staircase structure (QSS) used as an encoded element can realize 57 different states, and it is expected to enhance the data density 6 times as high as the conventional method.
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