• 如果只有脉冲——种的其中一种——产生共振,硅条只能停留振动状态

    If just one of the pulses - or neither of them - resonates with the strip then it remains in its existing vibrational state.

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  • 天后功能磁共振成像扫描显示手指完成任务他们视觉皮质活动脉冲甚至他们听到声调单词时的脉冲

    After as few as two days, fMRI scans showed bursts of activity in their visual cortex when they performed tasks with their fingers, or even when they listened to tones or words.

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  • 为了分析大脑如何不同牙齿疼作出反应研究人员利用功能磁共振成像监视牙在受到脉冲刺激活动

    To see how the brain responds to pain emanating from different teeth, the researchers used fMRI to monitor changes in activity when the upper tooth or the lower tooth was zapped.

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  • 研究含有高斯噪声周期脉冲信号通过阈值系统后的随机共振特性

    It is investigated that the characteristics of stochastic resonance of the periodic pulse signal added Gaussian white noise through a threshold system.

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  • 我们研究了强近共振激光脉冲驱动下二能级原子不同频率试探脉冲瞬态反应

    Transient responses of two-level atoms to a probe pulses with different frequencies have been studied in the presence of near-resonant laser driven pulse.

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  • 通过严格求解麦克斯韦—布洛赫方程研究了超短脉冲激光硝基苯胺分子材料的共振相互作用。

    We theoretically investigate the non-resonant interaction between ultrashort pulse laser and para-nitroaniline molecule medium by solving the full Maxwell-Bloch equations without approximation.

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  • 脉冲可调谐染料激光共振激励火焰中的原子

    Sodium atoms in flame can be resonantly excited by pulsed tunable dye laser.

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  • 可调谐脉冲染料激光器三步共振电离方法,测量了原子电离附近能级

    A large number of levels of atomic uranium near the ionization limit have been studied using three-step resonant ionization method with three pulsed tunable dye lasers.

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  • 介绍了拟脉冲激励及其共振响应技术

    This paper introduces the technology of quasi-impulse and syntony response.

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  • CP脉冲低频时,相绕组平均电压平均电流低,电动机磁场储能较少,一定程度上克服了共振现象。

    When the frequency of CP pulses is lower, average voltages and currents of windings will decrease and magnetic field energy of motor is very little so as not to produce resonance.

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  • 相干态描述光场,应用预解算符投影算符推导演化算符,使方法统一处理激光脉冲序列输出及原子共振光子过程。

    This method can be used to describe the resonant multi-photon processes that the pulse train from the mode locked laser interacting with atoms.

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  • 本文提出旋转回波脉冲序列具有激发带宽适中实验参数调整简单的特点,可广泛应用固体样品核磁共振谱测量中。

    A pulse sequence, namely rotary echo, with modest excitation bandwidth and mere adjustment of the experimental parameters is proposed in the present article.

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  • 图像处理器(62)根据具有不同加权的所述至少RF脉冲诱发的共振计算电容

    An image processor (62) computes electric permittivity maps from resonance induced by the at least two sets of RF pulses with different weighting.

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  • 脉冲射流水力共振系统参数优化组合提高射流功效关键因素之一

    The optimized combination of parameters of pulsed jet hydraulic resonance system is a key factor to improve the efficacy of pulsed jet.

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  • 本文采用半经典理论方法研究了脉冲作用下,被共振微波驱动三能级原子极化强度振幅粒子数随时间变化。

    The Polarization and Population difference of the three-level atom, driven bya microwave field and interacted by a strong short laser pulse, is studied by me-ans of semiclassical theory in the paper.

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  • 电机控制精确发送脉冲微调天线共振点的火车直流电压PWM电路

    The motor is controlled by a PWM circuit that precisely sends DC voltage on a train of pulses for fine tuning the antenna to the resonance point.

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  • 共振共振情形下波场效应与相对论效应激光脉冲稀薄等离子体中传输影响了详细比较

    The relativistic effect and wakefield effect on the propagation of an intense laser pulse in plasma are compared in the resonant and non-resonant cases in detail.

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  • 提出了种可以提高核磁共振测井测量速度的新型测量脉冲序列,它基于原有CPMG测量脉冲序列的改进

    A new pulse sequence for the measurement of NMR logging is proposed in this article, based on the improvement of original CPMG pulse sequence.

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  • 提出使用导管-气系统引发水力共振提高脉冲射流强度设想

    Bring up an assumption that using the pipe-air chamber system to induce hydraulic resonance and improve the strength of pulsed jet.

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  • 实验研究证明利用水力共振提高脉冲射流强度可行的,且存在最佳气室容积最佳频率

    Experiment study proved that using the hydraulic resonance to improve strength of pulsed jet is available, and the system have a best air-chamber volume and a best frequency.

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  • 针对目前高校共振实验开设现状不足之处,提出一种综合连续脉冲核磁共振实验结合的实验设计

    In this paper, we put forward an experiment design that can integrate continuous and pulse NMR image because of the deficiency of NMR experiment in the present university.

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  • 给出用于核磁共振脉冲梯度单元的详细设计

    The design of a pulsed field gradient unit for USES on NMR spectrometers is discussed.

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  • 梯度放大器共振成像(MRI)系统核心设备之一,根据前级控制系统传来指令,向梯度线圈提供特定波形的电流脉冲

    The gradient amplifier is an essential equipment of Magnetic Resonance Imaging system (MRI). It supplies the gradient coils with pulse currents according to the signal from the control system.

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  • 本文提出了一种实用可靠经济简单共振系统脉冲功率激励设计方案

    Design of a pulsed power source in the low field nuclear magnet resonance (NMR) system with the advantages of practicality, reliability, economy and simplicity is proposed in this paper.

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  • 我们模型研究共振激光脉冲驱动下能级系统试探脉冲相互作用。

    The interaction between a weak probe laser pulse and a two-level system strongly driven by a near-resonant laser pulse is studied by dressed model.

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  • 共振中的信号根据所用脉冲顺序以及所要成像组织类型分为信号第信号(或者)。

    Signal in Mr Images is high or low (bright or dark), depending on the pulse sequence used, and the type of tissue in the image region of interest.

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  • 研究了采用低场脉冲共振(nmr)测定二醋酸纤维素丝油剂方法,给出nmr法测定二醋酸纤维素丝束油剂含量的标准曲线。

    A new method of low-field pulsed nuclear magnetic resonance (NMR) spectroscopy for the determination of spin finish in cellulose acetate tow was investigated.

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  • 完成共振实验基本量子逻辑门脉冲序列通过一些具体算法操作验证了我们所设计的脉冲序列。

    Achieving the pulse sequences to realize the basic logical operations in experiments using NMR techniques, and also tested them by realizing some quantum algorithms.

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  • 本文介绍了ROESY (CAMELSPIN)技术改进脉冲序列原理。这种改进的技术能有效的抑制共振效应的影响提高灵敏度

    The principle of pulse sequences of improved ROESY (CAMELSPIN) to suppress the off-resonance effects and increase the sensitivity of spectra were introduced.

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  • 本文介绍了ROESY (CAMELSPIN)技术改进脉冲序列原理。这种改进的技术能有效的抑制共振效应的影响提高灵敏度

    The principle of pulse sequences of improved ROESY (CAMELSPIN) to suppress the off-resonance effects and increase the sensitivity of spectra were introduced.

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