Mode locking can be induced not only by loss modulation, but also by phase modulation.
锁模不仅可用损耗调制取得,也可用位相调制来得到。
Taking an external cavity laser diode (ECLD) as an example, calculations indicate that the perturbation analysis may become invalid under loss modulation.
以可调谐双稳外腔半导体激光器(ECLD)为例,指明了在损耗调制下,扰动近似分析可能会失效。
Considering the fiber loss, an analytic expression of the cross phase modulation induced chirp is derived.
推出了存在光纤损耗时交叉相位调制效应所产生的啁啾的解析表达式。
Double space vector modulation can realize zero current commutation of the rectifier side, greatly reduce the switch loss, and improve the efficiency of the converter.
双空间矢量调制两级协调控制能实现整流级零电流换流,极大地减少了开关损耗,提高了变换器的效率。
Pulse width modulation is used to reduce the total power delivered to a load without resulting in loss which normally occurs when a power source is limited by a resistive element.
脉宽调制技术是用来降低总功率交付给了负荷,没有造成损失,这是通常发生时,电源是有限的,由电阻芫件。
The FPGA technology was used to achieve an improved control of grayscale PWM modulation. It can reduce the loss of FED grayscale images and improve image display quality.
采用FPGA控制技术实现了改进型pwm灰度调制,减少了FED图像灰阶损失,提高了图像显示质量。
A new method for reducing core loss and excitation current in transformers that utilizes the fundamental principles of third-harmonic flux modulation is proposed in this paper.
本文对变压器节能提出了一个崭新的观点,即通过三次谐波磁场调制机理来降低变压器的铁耗和励磁电流。
For a loss modulation where the threshold carrier density may change, the neglected term may become comparable to the retained first order small quantity.
在损耗调制的情况下,系统变化前后的阈值载流子密度不同,被忽略的二阶小量可能会达到与一阶小量可比拟的程度。
Both functions of intracavity loss modulation and selection of laser output wavelength are simultaneously provided by this Q-modulation scheme.
此调q方案同时提供了腔内损耗调制和对激光输出波长选择的功能。
This thesis first builded up the loss model of inverter with different modulation methods.
本文首先建立了逆变器不同调制方式下的损耗模型。
This thesis first builded up the loss model of inverter with different modulation methods.
本文首先建立了逆变器不同调制方式下的损耗模型。
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