但是,随着光纤中信道数的增多、光功率的增加,已使光纤非线性效应成为影响系统性能的主要因素。
What's more, with the light power obviously intensifying and tunnel noticeably increasing, fiber nonlinearities have become a mainly important limitation imposing on systems.
梦幻输出,垂直场效应管FET功放,这个是第一个全FET功率放大器。
The dream output element, the vertical power FET, was used for the first time in this all-FET power amplifier.
研究了腔牵引效应、微波功率频移、光频移和缓冲气体温度系数对铷频标输出频率的影响。
The cavity pull effect, microwave power shift, light shift and temperature coefficient which mostly influence the performance of RAFS are studied.
多普勒负反应性反馈效应能在保护动作延迟的时间内将功率限制在可接受的水平。
The negative Doppler effect will limits the power to an acceptable level during the time delay for protective action.
新型直流固态继电器是一种以新型器件IGBT以及功率场效应管为核心的,全部由固态电子器件组成的新型无触点开关器件。
The new type DC solid state relay is a kind of new contactless switching device, with the new type IGBT and power field effect tube as the core and composed completely by solid state electron devices.
简要分析了应用排气惯性效应可以增加发动机的功率。
We simply analyse that it can increase the power of engine to use a exhaust inertia effect.
在WCDMA等宽带通信系统中,射频功率放大器记忆效应明显,传统的无记忆预失真技术无法达到理想的线性化效果。
In broadband communication systems, such as WCDMA, memory effects of RF power amplifiers (PAs) are significant and memoryless predistortion techniques cannot linearize PAs effectively.
阅读器的反射电路用升余弦滤波器抑制带外频谱,而接收电路可以用功率合成的方法消除的盲点效应。
The out band spurious spectrum is limited by raised cosine filter in transmitter, and the shadow effect can be removed by combining the signal power of two branches in receiver.
该功率器件的版图设计为圆形结构,避免了球面结的形成,有效的降低了曲率效应造成的电场集中。
In the layout design of the power device, a circular structure was adopted to avoid the spherical junction and reduce the curvature effect.
分析了功率VDMOS晶体管在小尺寸时准饱和效应的成因,并对其进行了理论证明和模拟验证。
In small size power VDMOS transistors, the cause of quasi-saturation effect has been investigated and simulated by software.
目的研究高功率毫米波对动物的热损伤效应。
Objective To study the thermal injury effects of high power millimeter wave on rats and mice.
首先,给出了包含大气湍流内,外尺度效应的折射率功率谱密度函数。
Firstly, the power spectral density function of refractive index is given including the effects of inner and outer scale of the turbulence.
前言:目的:为高功率微波辐射致伤效应及其机制的研究提供可靠技术保障。
Objective: To provide reliable technical guarantee for study on injury effect and its mechanism of high power microwave irradiation.
计算结果表明,这种热效应对激光输出平均功率与光束特性有不可忽视的影响。
The calculated results show that its effects on the average laser output power and beam quality are noticeable.
功率控制技术是CD MA系统克服“远—近效应”,降低多址干扰、增大系统容量的一项关键技术。
Power control is a key technique in CDMA cellular mobile communication systems. It can combat near far effect, reduce multiple access interference and improve the system capacity.
供电电源则将14只功率场效应晶体管MOSFET接入电源变压器次级,两绕组的全部组合可构成18个不同扎数的次级。
The power source used 14 power file effect transistor MOSFET in power transformer second order; all the combinations of twist-coil could construct 18 different second orders.
设计了一个超声频率、超声功率和辐射时间三因素四水平的正交实验,研究超声辐射对海水小球藻的生物效应。
In this study, a three factor and four level orthogonal experiment was designed to study the biologic effect of ultrasonic radiation on Marine Chlorella.
由于燃耗和功率反馈效应等所引起的局部截面变化的考虑。
Account explicitly for the local cross section variation caused by the depletion and the power dependent feedback.
分析了高功率激光通过窗口时,引起的窗口热透镜效应及其对激光光束质量的影响。
This paper concerns the thermal lensing effect that occurs as laser going through an optical window, and its influence on beam quality.
结果表明,热透镜效应对输出功率和频率特性影响相当大,对基模输出激光器的影响最为突出。
It is shown that the thermal lensing effects have considerable influence on the output and resonance frequencies, particularly for the fundamental mode lasers.
通过对光伏并网逆变器最大功率点跟踪、孤岛效应和并网控制等问题的分析,提出了具体的解决方案。
Not only the of maximum power point tracking and islanding protecting techniques, but also the technique for inverter to connected with grid are discussed in detail.
实验与分析表明,高压直流放大器采用功率场效应管和电压闭环控制后,可拓展放大器通频带,提高放大器输出能力和长时间稳定性。
The experimental and analytical results demonstrate that wide bandwidth, high voltage output and long-time stability can be achieved with power MOSFETs and a closed-loop scheme.
讨论了激光晶体的热效应以及激光模半径与泵浦光斑半径匹配对激光输出功率和输出光束质量的影响。
The influences of thermal effects and the matching of the laser mode radius with the pump spot radius on the output power and beam quality are discussed.
分析了强光条件下光纤非线性双折射及引起的偏振演化(NPE)效应,据此对NALM环功率传输特性基本表达式进行了修正。
Thirdly, the equations of NALM power transmission are amended including the nonlinear polarization evolution (NPE) induced by nonlinear birefringence at high input power.
通过详细分析阳极效应发生的机理、原因及影响效应熄灭成功率的几个因素,得出实施自动熄灭阳极效应系统的必要性。
The mechanism, reason and effecting factors on anode effecting are discussed in detail, on the other hand, the necessary of the application of anode effecting auto-quench system is also expatiated.
由于光泵浦热效应,高功率固体激光器的输出参数如光束远场发散角、输出功率等会发生变化。
The output parameters such as beam divergence angle in far-field output power of high power solid state lasers are variable due to thermal effect of optical pumping.
在高功率激光二极管抽运固体激光器中,热效应已成为获得高输出功率和高光束质量的最大阻碍因素。
Effect of thermal lensing is the main obstacle of getting high power and good beam quality in laser diode (LD)-pumped solid-state lasers.
重点分析了高功率LD阵列泵浦的固体激光器热效应问题,提出了LD阵列与激光介质分别水冷的方案来解决高功率全固态激光器的热效应问题。
The method of individually water cooling of the LD array and the laser crystal is giver after analyzing the thermal effect of high power LD pumped solid-state laser.
重点分析了高功率LD阵列泵浦的固体激光器热效应问题,提出了LD阵列与激光介质分别水冷的方案来解决高功率全固态激光器的热效应问题。
The method of individually water cooling of the LD array and the laser crystal is giver after analyzing the thermal effect of high power LD pumped solid-state laser.
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