如果碳纳米管阴极附近的真空度太低，将产生打火、气体电离、离子回轰阴极等问题，将导致阴极发射电流的迅速衰减。
If the vacuum near the cathode is too poor, it will generate spark, gas ionization and ion bombardment on cathode, which can result in a fast attenuation of the emission current.
通过对大气衰减系数、放大器放大能力、光电二极管接收灵敏度等一些主要参数进行分析，建立了激光模拟系统的数学模型。
Secondly, the mathematical model of the laser simulation system is built upon the atmosphere attenuation, the amplifier extent, receiving-sensibility of photoelectric diode and other preferences.
经过弯管后水击压力有不同程度的衰减。
分析结果表明与弹性圆柱管相比粘弹性圆柱管中轴对称波的各阶传播模式均存在衰减，高阶传播模式并无严格意义的截止频率。
The results show that there exist attenuation in all propagation modes along viscoelastic cylindrical tube, and higher-order propagation modes haven't cut-off frequency.
分析了集成峰值鉴频器的工作原理，得出鉴频中周失谐的原因是内置的配谐瓷管电容容量的衰减。
Through the analyses on the principle of integrated peak discriminator, it is found that the reason of disharmony of discriminator is due to the decrease of the capacity of oscillator.
此外，还介绍一个小型通用程序，它能对一些定向耦合器、平衡晶体管放大器以及电调衰减器等进行分析和优化设计。
Furthermore a small general program is also presented which is capable of analysing and optimizing a group of directional couplers, balanced transistor amplifiers and electrically tuned attenuators.
对于不同的传压管径、传压管长度和腔室容积，得到不同阻尼的衰减振荡曲线以及过阻尼时呈单调衰减的回零过程曲线。
Then the different damped oscillation curves and over-damped monotonic decay curves can be obtained for various diameter and length of the pressured tube and various volume of the chamber.
对于不同的传压管径、传压管长度和腔室容积，得到不同阻尼的衰减振荡曲线以及过阻尼时呈单调衰减的回零过程曲线。
Then the different damped oscillation curves and over-damped monotonic decay curves can be obtained for various diameter and length of the pressured tube and various volume of the chamber.
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