通过数值分析的方法推导出光纤参量放大饱和信号增益和信号输出功率的数学表达式。
Two very pithy and powerful analytical expressions for saturated signal gain and signal output power of fiber optical parametric amplifiers are educed with numerical analysis.
同样不利的事实是,自发辐射引起的饱和减少了入射信号所能获得的增益。
Equally objectionable is the fact that saturation by spontaneous emission reduces the gain exercised by an incoming signal.
本文提出一种测量内腔式波导CO_2激光器小信号增益、饱和强度及内部损耗的新方法。
A novel method is devised to determine the small signal gain, saturation intensity and internal losses of intracavity-waveguide CO2 lasers.
定量分析了星载合成孔径雷达(SAR)原始回波信号的量化噪声、饱和噪声以及误码噪声对面目标信噪比的影响;
The effect of quantification noise, saturation noise and bit error noise of synthetic aperture radar(SAR)raw data on the signal to noise ratio of distributed targets is analyzed.
用含有背散射和饱和效应的双模激光场的理论模型讨论了背散射和外加注入信号对环形激光场的统计性质的影响。
The influence of backscattering and injected signal on the statistical properties of ring lasers is discussed by a full saturation laser theory.
该算法不用假设抽运光和信号光衰减系数相同,且可大大增加饱和放大状态下的迭代步长。
The assumption of equal signal and pump attenuation coefficients is no longer required, while the iteration step-size can be significantly enlarged even under saturated amplification.
用混沌动力学方法对多道扫描静电探针的离子饱和电流信号进行分析,研究了等离子体尾迹流场。
A plasma wake flow field is studied by analyzing the saturated ionic current of multiple scanning probes with the method of chaos dynamics.
实验表明,信号光对放大增益的抽取非常重要,在此实验中信号光尚未饱和,放大功率仍有提高的余地。
In experiment, the input signal was not saturated, so the amplification has the potential to be improved.
该软件能够根据输入的各条道路上的车流量值和相应的饱和流量值计算出优化的信号灯配时结果。
This software package can calculate an optimal result of signal timings based on the input of the traffic flow and saturated flow of each road.
动态范围达到60分贝。 电晕现象将受到抑制,饱和电平寄生信号可得到消除。
The dynamic range reached to 60 dB. The blooming is suppressed completely and the saturation-level shading can be removed.
当血糖上升到一定程度时,饱和中枢发出停食信号。
When blood sugar rises to a certain degree, saturated central issue gastric disorder signal. If all the nutrients, to reduce weight a biscuit products.
将测量结果中存在的饱和光强、非输出损耗和小信号增益的三元拟合问题转化为二元数值问题。
The ternary coupling problem about saturation intensity, non-output wasting and small signal gain in measured data was translated into a dualistic numerical problem.
神经网络缓慢子系统防止控制信号被饱和。
The NN slow subsystem keeps the control signal from being saturated.
结果表明,大信号增益公式可圆满地解释自由电子激光器实验中激光输出饱和现象。
Result shows that high signal gain formula can satisfyingly explain the saturation of laser output in the experiment.
针对我国现有道路交通条件下典型的信号控制交叉口,对不同车道宽度、转弯半径的右转车道的饱和车头时距进行现场测定。
Saturation time headways with different lane widths and turning radiuses were measured on the spot and abnormal data were identified and eliminated.
读出信号强度随着曝光时间的增加也明显地呈现出饱和效应。
The saturation effect is also evident as exposure time is longer.
对此,该文提出一种以真彩面阵图像传感器3C-CCD作传感器获取图像,对大信号单色响应饱和区进行RGB三色均衡拟合,有效地解决了大信号饱和问题。
In this paper, a color 3C-CCD was used to replace a SSPD or WB-CCD, and the RGB average method was put forward to solve the problem of the saturation.
分析讨论了气压、流速、气比、放电比功率对饱和强度及小信号增益的影响。
We have analysed and discussed the effects of the changes of pressure, flow velocity, gas composition and the discharge specific power on saturation intensity and small-signal gain coefficient.
并利用类可饱和吸收体实现被动锁模的自启动条件,给出了用小信号光斑变化量表示的克尔透镜锁模启动条件。
The self-starting condition expressed by the small signal spot size variation is demonstrated, according to the passive absorber-like self-starting condition.
依据电视学色度图的定义,建立了基色编码条件下的信号数学模型,给出了一个与亮度、色调和饱和度相关的数字视频测试信号的设计方法。
By the definition of chroma in television principle, the mathematic model of signal based on basic chroma coding is established. The method concerning luminance, hue and saturation is also presented.
“过饱和”现象的实质是CCD输出电信号过强而造成的放大失真。
The essence of excessive saturation is that the CCD output electric signal is so strong that its amplification lacks fidelity.
论文设计了光源发射驱动、光信号接收、信号调理及数据采集等硬件电路,以获得计算血氧饱和度所需的信号。
Light sources launch driven, light signal reception, signal conditioning, and data acquisition system were designed, and signals for calculating oxygen saturation were acquired by these circuits.
在弱灌注条件下,无创脉搏血氧饱和度的测量存在着准确度不高的问题。传感器采集信号的信噪比低是导致该问题的主要原因之一。
Under the condition of low perfusion, the measurement of non-invasive saturation of pulse-blood oxygen is low-accuracy, lower signal-to-noise ratio (SNR) is one of the crucial causations.
本文中的电压传感器采用电阻分压,可将初级电压直接转化为10v以内的微信号,以供测量保护用,装置具有体积小、传输频带宽、不存在饱和问题、无谐振点等优点。
By adopting resistance divider, the voltage sensor designed in this paper can transform primary voltage into micro-signal less than 10v, which can be used in measurement system directly.
结果显示了随机激光器中辐射光能量从自发辐射开始,经历小信号增益状态得到放大,再到由于增益饱和形成稳态输出的整个演化过程;
Numerical results show how the intensity of emitted light varies from the spontaneous radiation, which undergoes amplification by small-signal gain, to the steady output due to the saturation effect.
该信号采集系统主要是针对呼吸、体温、血氧饱和度和脉率信号的采集电路进行设计,并将采集到的数据经单片机处理得到相应的参数信息。
The signal acquisition system is mainly aimed at designing the circuit of breathing, body temperature, oxygen saturation and pulse rate single, and receiving the data from the single-chip.
最后,自修复功能的异常的信号的饱和度可重构实验验证。
Finally, the self-healing function is verified by the reconfigurable experiment of abnormal saturation of signal.
在激光打开和关闭时,都观测到了异质结光伏信号的瞬态响应峰值,且该峰值随斩波频率不断增大并在频率较大时趋于饱和。
The transient peak voltage of the heterojunctions were observed when the laser was turned on and off, and increased with chopping frequency and showed saturate tendency finally.
在激光打开和关闭时,都观测到了异质结光伏信号的瞬态响应峰值,且该峰值随斩波频率不断增大并在频率较大时趋于饱和。
The transient peak voltage of the heterojunctions were observed when the laser was turned on and off, and increased with chopping frequency and showed saturate tendency finally.
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