quantum limit

The numerical simulation results show the quantum limit of the quantum well width , beyond which will observe the resonant tunneling phenomena .

数值模拟结果给出这类电子器件的量子极限&可观察到共振隧穿现象的量子阱宽度的限度。

The specified chronicle quantum limit is not valid . The quantum limit must be a non-negative integer .

指定的历史记录量程期限无效。量程期限必须是非负整数。

It is pointed out that in order to approach the quantum limit of the photo-electric detector , the narrow-band and low noise amplifier should be connected with the detector .

指出了要使单路检测系统的光电检测信噪比接近于量子噪声极限，应采用窄带低噪声放大器与光电检测器相连接；

Carbon nanotubes carry an extremely high current and carry it with such extremely little resistance , it 's possible they carry current as well as it can be carried & at its quantum limit .

碳纳管能传送极高的电流，传送时电阻极低，并且能以量子极限传送。

Coherent doppler wind lidar is currently one of the major means for the atmospheric wind field measurement , with an advantage of high signal-to-noise ratio and short bandwidth . It is capable of obtaining a sensitivity close to quantum limit and a high precision of clear sky detection ability .

相干激光测风雷达以其近量子噪声极限的探测灵敏度，高精度的晴空探测能力，高信噪比和接收带宽窄等优点，目前已经成为大气风场测量的重要工具之一。

Optical characteristics of InGaAs vertically coupled quantum dots vertical limit Chinese knot

垂直电子耦合InGaAs量子结的光学特性

In Heisenberg picture the difference from the earlier multiple-scale perturbation solution is that the commutation relation of coordinate and momentum operator is naturally simplified and it is very convenient to get classical result from quantum one in limit condition .

此解与以前同类问题的多尺度微扰解不同，在Heisenberg表象中坐标和动量算符的对易关系的简化十分自然，并且量子解能十分方便地过渡到经典解。

Quantum oscillator and classical limit of quantum system

量子谐振子与量子系统的经典极限

With decreasing the size of silicon quantum dot , the limit of optical absorption shifts to higher energy .

随着量子点尺寸的减少，PL谱的光学吸收限移向高能方向。