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- There must be a threshold of thermal noise. 必有一个热噪声的门限值。
- As the range increases thermal noise tends to take over as the major source of inaccuracy. 当射程增大时，热噪声将成为一个主要的误差源。
- This charge movement results in noise, which is often called Johnson or thermal noise. 这种电荷的运动产生了噪声，通常称为约翰逊噪声或热噪声。
- Thermal noise counting rate of the EMI 9635 QB type photomeltipliers reduces to 1/4-1/3 of the rate at room temperature. EMI9635QB型光电倍增管的热噪声计数率下降到室温时的1/4－1/3。
- Finally, we applied this modified cascode amplifier to the thermal noise canceling structure to achieve low noise figure and impedance matching. 最后应用这个宽频放大器到热杂讯消除技术架构来设计达到低杂讯与阻抗匹配。
- The effect of thermal noise, 1/f noise and power substrate noise on the timing jitter and phase noise in VCO is explored. 对VCO中的热噪声、1/f噪声、电源衬底噪声等对输出的影响以及对各种噪声的抑制方法作了详细阐述。
- The proportional navigation (PN) guidance error caused by angular noise (thermal noise) arid glint effect in radar seeker receiver is studied. 摘要研究了雷达导引头接收机中的角噪声（热噪声）以及目标闪烁对比例导引制导精度的影响。
- The laser linewidth is mainly contributed by the thermal noise, the vaecum fluctuation, the spontaneous emissions between the laser levels and the spontaneous Raman scattering. 激光线宽主要来源于热噪声、真空涨落、激光能级的自发辐射以及自发Raman散射。
- The CDS readout circuit can inhibit thermal noise as well as flicker noise of the microbolometer effectively, and the thermal noise dominates the output noise voltage. CDS读出电路能有效地抑制微测热辐射计的热噪声和闪烁噪声，并且输出噪声电压中热噪声占主要部分。
- Considering the effects of MAI, avalanche potodiode (APD) noise, and thermal noise, the performance of this proposed OCDMA communication systems with MPC/OOC is analyzed in detail. 考虑MAI、背景光(APD)噪声、热噪声和接收机噪声，详细分析了采用该PIC技术的OCDMA通信系统的性能。
- A second problem is thermal noise, especially that caused by the laser beam itself: the laser spots hit the center of the mirrors, heating them unevenly and thereby deforming them. 干涉仪的第二个问题是热杂讯，其中以来自雷射光本身的热最是严重；雷射光点打在镜子中心使之温度上升，加热不均匀的结果，会导致镜面变形。
- In practice，other noise in the system can be reduced by introducing double optical harder-limiters also，such as：APD shot noise，APD dark current noise，background light and thermal noise. 实际上，引入两个光硬件限幅器同样可以减小系统中的其他噪声：APD光电检测过程中的散粒噪声、暗电流噪声、背景光影响、消光比影响及热噪声。
- A loud noise from the street diverted my attention. 街上一阵喧闹声转移了我的注意力。
- The noise awoke her from her revery. 这声音把我她从沉思中惊醒。
- That noise is driving me frantic. 那种噪音真要把我弄疯了。
- The thick walls deadened the noise from the street. 这道厚墙隔绝了街上的噪音。
- A noise abatement notice is served on the club. 向俱乐部发停止大声喧哗的通知。
- The noise of traffic grows louder and louder. 交通的噪音变得愈来愈大。
- The noise struck terror into their hearts. 那声音使他们心里产生恐惧。
