量子信号

量子信号处理是一种基于量子检测原理的信号处理框架。

Quantum Signal Processing is a framework based on the principle of quantum detection .

如何产生高效的量子信号，是量子密钥分配系统安全运行的关键。

The key to a sound QKD system is how to generate highly effective quantum signal .

Raman磁共振谱中强单量子信号的压抑

Suppression of strong single quantum signals in Raman magnetic resonance spectroscopy in heteronuclear spin systems

理论和实验结果均表明，相对于常规的单量子信号，分子间多量子相干信号对体系磁化量的变化更为敏感，因此应用于CEST类型的成像实验能获得更好的对比度。

Both theoretical and experimental results demonstrate that compared to the conventional single-quantum coherence signal , iMQC signal is more sensitive to the change of the magnetization magnitude , thus it is easier to obtain a better contrast in the CEST-like experiments .

本文在研究了量子信号与经典信号共纤传输的可行性后提出一种信道分配方法，并通过仿真结果分析了其有效性。

This paper comes up with a method of channel resource assignment after the research of its feasibility , and also proves its effectiveness .

协方差成形最小二乘估计器是量子信号处理框架内基于协方差成形方法的一种新型线性估计器。

Covariance shaping least squares estimator is a new kind of linear estimator based on covariance shaping in quantum signal processing ( QSP ) framework .

本文通过借鉴量子信号处理的思想，给出了一种新的线性多用户检测器：加权正交匹配滤波检测器。

Weighed Orthogonal Matched Filter Detector which is considered as a novel linear multi-user detector is presented by using the ideas from quantum signal processing .

对检测分子间多量子相干信号的CRAZED脉冲序列的最佳射频脉冲翻转角及延迟时间进行了探讨。

In this paper , optimal radio freqency ( RF ) flip angle and relaxation delay time of the CRAZED pulse sequence for intermolecular multiple quantum coherences ( iMQCs ) of different order n were investigated .

本论文研究了分子间多量子相干信号性质，对iMQC理论进行了扩展，并将其应用于磁共振成像。

In this thesis , the properties of iMQC signals and their applications are investigated . The results extend the previous iMQC theory and its applications , and are summarized as follows : 1 .

分子内和分子间双量子相干信号随预备期的变化规律

Variations of Intra-and Inter-molecular Double-quantum Coherences with Preparation Period

分子间多量子相干信号的线形理论、旋转坐标系纵向弛豫性质及其磁共振成像应用

Lineshape and Rotating-frame Longitudinal Relaxation of Intermolecular Multiple-Quantum Coherences , and its MRI Applications

当射频场振幅更大时（约大于3.5V），观测到双量子跃迁共振信号，信号幅度与射频场振幅成二次函数关系。

Double quantum transition resonance signal is observed when rf field amplitude is more than 3.5 V. Relationship of signal magnitude and rf field amplitude is a squared function .

在光泵磁共振实验中观测到单量子跃迁共振信号幅度随射频场振幅增加而迅速增加，并很快达到饱和，然后单调缓慢下降的关系。

In the experiment of opto-magnetic resonance , it is observed that single quantum transition resonance signal magnitude rapidly increases and goes to saturation , then slowly goes down with increase of rf field amplitude .

若对探测光场的正交位相分量实行第一类量子测量，信号光场的光子数分布会受到调制。

The signal light and the probe light whose initial states are both coherent states will be entangled via interaction , then when a quadrature component of the probe light is measured , the photon number distribution of the signal light is modulated .

单量子阱激光器小信号调制时的啁啾噪声

Chirping noise of single quantum well laser diodes under small signal modulation

单量子阱激光器小信号频响特性模拟分析

Simulation of Frequency Response to Small Signal Modulation in Single Quantum Well Laser Diodes

量子密码通信的信号发送与处理系统

Signal Processing System for Quantum Cryptography

目前世界上已建成的量子密钥分配示范网络都是基于经典光网络的，我们研究重点就是量子信号和经典信号的共纤传输方法和相应的量子交换技术。

At present , the quantum key distribution network model existing are built on the base of classical optical network , so we focus on the combination of quantum signal and classic signal in the same fiber .