Consequence of Current Spreading Effect on Threshold Current of Oxide Stripe-Geometry DH Lasers

And double oxide-confining regions offer a method of decreasing threshold current and controlling high order modes.

同时双氧化限制层为VCSEL器件提供了一种降低阈值，抑制高阶横模的方法。

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Low Threshold Current Density InGaAs/ GaAs/ AlGaAs Strained Quantum Well Lasers

低阈值电流密度INGaAs/GaAs/AlGaAs应变量子阱激光器

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Through numerical calculation and analysis, the effects of structure parameters on far field pattern and threshold current density are studied.

通过数值计算分析，详细研究了结构参数对远场及阈值电流密度等的影响。

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Low Threshold Current InGaAs-GaAs Strained Layer Quantum Well Laser

低阈值InGaAs-GaAs应变层多量子阱激光器

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GaAs/ GaAlAs Vertical Cavity Surface Emitting Lasers with Low Threshold Current

GaAs／GaAlAs低阈值垂直腔面发射激光器

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Accurate measurement of threshold current for semiconductor lasers

半导体激光器阈值电流的精确测量

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Stripe Semiconductor Lasers with Low& Threshold Current and Fundamental Transverse Mode

低阈值基横模条形半导体激光器

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The relation of device parameter on threshold current and optimal well numbers have been discussed.

讨论了阈值电流密度、最佳阱数等与器件参数（阱数、腔长和反射率等）之间的依赖关系。

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Low threshold current and high quantum efficiency ridge waveguide lasers

低阈值电流、高量子效率脊形波导激光器

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Threshold current and external quantum efficiency of quantum well lasers

量子阱激光器的阈值电流和外量子效率

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The lowest threshold current density of 2000A/ cm~ 2 and average normalized threshold current density of 5000A/ cm~ 2. μ m were obtained under pulsed operation at room temperature.

室温下的最低阈电流密度是2000A/cm~2.平均归一化阈电流密度是5000A/cm~2μm。

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Lastly, braking performance under different initial vehicle velocities and on different adhesion coefficient roads using logic threshold control algorithm, PID control algorithm and fuzzy control algorithm are analyzed and compared.

最后，对基于门限值控制算法、PID控制算法和模糊控制算法，在不同车速下和不同附着系数路面上的汽车ABS的制动性能进行了详尽分析比较。

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Most of the control methods in the application of ABS including logic threshold control and control method based on wheel slip ratio are introduced, and their advantages and disadvantages are analyzed respectively.

文章首先介绍了目前常用的ABS控制方法，包括逻辑门限值控制方法和基于滑移率的控制方法，并分析了各自的优缺点。

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In this paper, take powertrain and a logic threshold control strategy of a real vehicle as an example, applying the niche genetic algorithms for off-line parameters optimization.

以一辆实例样车的动力系统和逻辑门限值控制策略为例，采用小生境遗传算法，将其做离线参数优化。

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An algorithm of adaptive threshold control based on correlation detection is proposed in this paper. The system performances in the AWGN channel are analyzed and the experimental results are given.

此文提出了一种基于相关检测的自适应门限控制算法，并分析了该算法在加性高斯白噪声（AWGN）环境下的误码性能，最后给出了实验数据结果。

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Logic threshold control algorithm applied widely in real vehicle lacks theoretical basis, generality and anti-interference capability, which leads to the fluctuating performance of ABS.

目前应用于实车的逻辑门限控制算法，缺乏严谨的理论根据，通用性差，并且对于外界干扰适应能力差，导致ABS性能波动较大。

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Meanwhile, after the simulation of the logic threshold control algorithms, the results of logic threshold control algorithms and self-optimalizing control algorithms are compared and analysed.

同时对逻辑门限值控制算法进行仿真，将自寻最优控制方法与逻辑门限值控制算法的仿真结果进行详细的对比分析。

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The paper studies the logic threshold control strategy, fuzzy logic control strategy of the parallel hydraulic hybrid vehicle, compares the control effect of the two controllers.

研究了并联式液压混合动力车辆的逻辑门限控制策略、模糊逻辑控制策略及各自的设计方法，并对这两种控制器的控制效果进行了仿真比较。

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The method is based on the theory of statistic random signal and adopts the serial manner. The acquisition judge is performed by automatic threshold control.

该算法基于统计随机信号检测的基本理论，采用串行捕获的方式，并且利用自适应门限值作为判决门限，完成捕获。

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By adding threshold control to stochastic-dynamic climate models with linear feedback coefficients, the nonlinearity of model parameters can be more obvious.

提出一种附加门限控制的具有非线性反馈作用的随机-动力模式，从而对具有线性反馈的随机-动力气候模式加以改进。

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