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- switching threshold current 切换阈值电流
- NBT has lower current density than that of PZT,but the switching threshold of emission is lower and the depolarization property is better. 与PZT的发射性能相比,NBT发射电流密度稍低,但NBT具有更低的发射起始阈值,更高的耐压强度和更好的退极化性能。
- In the switched-on condition, and below the respective switching threshold set, the output relays are in the working condition and the relay contacts are closed. 当开关打开但未达到各个开关设定的阈值时,输出继电器处于工作状态,继电触点闭合。
- The minimum CW threshold current(I_(th))of the LD is 20mA at room tempe- ratue,with the typical value of 30mA. 在室温 CW 工作条件下,该激光二极管的最低阈值电流为20mA,典型值为30mA。
- The photoelectricity is on the colour and switch threshold multiturn potentionmeter until the break status light. 不兵平电侧差色不本、调开关门限众圈电位器，直到状况指示灯不柔平为止。
- The results show that these newly made DFB-LDs have threshold current as low as 7mA, 35% lower than the former LPE-buried DFB-LDs. 测试结果显示:采用新工艺制作的DFB激光器的阈值电流较LPE掩埋的DFB激光器下降了35%25;达到7mA.
- Though the lasers with lattice-mismatch cladding layers still have low threshold current density, the gain is too small to support ground state lasing. 所制成的雷射虽然也有很小的起振电流，但由于增益较小无法在基态放光。
- The factors that affect the interconnect wire delay and the resolution ways from to lower the signal swing and change switch threshold value aspect are described in this paper. 本文讨论了影响互连线延迟的因素,并讨论了从降低信号摆幅、改变开关阈值方面解决延迟、功耗等问题。
- It is found that optimization of the structure parameters of ridge waveguide (RWG) can decrease the threshold current of RWG laser diode. 通过优化脊形波导的结构参数可以降低脊形波导激光器的阈值电流,提出了实现亚微米脊宽,从而降低阈值电流的方法。
- The temperature dependence of threshold current is not described by a single exponential term with a characteristic temperature. 量子点的临界电流对温度关系无法用单一特徵温度描述，特徵温度会随温度改变。
- To make use of the maximum signal margin with the maximum scanning distance tolerance, the switching threshold should be set at the mid-way point between the background and mark signals. 在使用具有最大扫描距离偏差的最大信号边限时，转换门限应该设置在背景与标识信号的正中间?
- Double heterostructure(DH)realizes the complete confinement of carriers and light,decreasing threshold current density substantially. 双异质结构实现了光和载流子的完全限制 ,使阈值电流密度大幅度下降。
- In particular, there is an optimal well number corresponding to the lowest threshold current density for MQW structure in the microcavity lasers. 特别是在微腔多量子阱结构中存在一个最佳阱数对应着阈值电流密度的最小值。
- The results discover that AlInGaAs strained quantum well lasers excel AlGaAs laser in slope efficiency,threshold current and characteristic temperature and so on. 结果发现AlInGaAs应变量子阱激光器在斜率效率、阈值电流、特征温度等方面随温度变化的特性都优于AlGaAs激光器.
- The lasing wavelength is 1.33 mm and threshold current density is 248A/cm2. This is the first report on successful fabricating of long wavelength CW QDs lasers in china. 阈值电流密度为248A/cm2.;这是国内首次报道室温连续激射量子点长波长激光器
- The introduce of band-gap discontinuity in heterostructure can obtain high injection ratio, decrease further threshold current and increase the output power. 异质结构引进的带隙差可以实现高注入比、进一步降低了阈值电流，同时提高了输出功率。
- The effects of device temperature on the laser threshold current, external differential quantum efficiency (DQE), and output wavelength are also investigated. 研究了器件温度对于激光阈值电流、外微分量子效率和输出波长的影响。
- I groped for the light switch in the dark room. 我在黑暗的房间里摸索着找电灯开关。
- The numerical results show that the threshold current depends on the skin depth of the waveguide wall, the magnetic field detuning and the perpendicular-to-parallel velocity ratio of the electrons. 研究结果表明：绝对不稳定性起振电流与损耗波导的集肤深度有关，选择有较大的集肤深度的损耗波导可以提高绝对不稳定性起振电流；
- Three connected comparators each with a comparison potentiometer enable the setting of three different switching thresholds, which correspond to a certain loading of the connected strain gauge force transducers. 三个相连的比较电路每一个都有一个比较电压计,可以根据所连接的应变力传感器的荷载设定三个不同的开关阈值。
