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- pulse amplitude spectrum 脉冲振幅谱
- What is Pulse Amplitude Modulation? 什么是脉冲调幅?
- The modulator was used as both a mode locker and a pulse amplitude equalizer in the cavity. 用时域分析的方法证明这种结构在调制器工作在其特性曲线的线性区时可以实现 5阶以下有理数谐波锁模的脉冲幅度均衡。
- In the system,fast Fourier transform and multichannel signal time domain waveform,amplitude spectrum and cross-power spectrum is plotted and displayed. 该系统实现了快速傅里叶变换,多通道时域波形,幅值谱,互功率谱的绘制与显示。
- Experimental Study on Pulse Amplitude Stablization in a Q-Switched Single Longitudinal Mode Nd:YLF Laser[J]. 引用该论文 郭小东;陈绍和;王世绩;顾援;邓锡铭.
- We quantify and simplify the model in order to simulate, we write the poincare maps, axes contrails, phase plane portraits, times-history and amplitude spectrum program. 对建立的动力学模型,编写相应的庞卡莱图,轴心轨迹图,相位图,波形图,频谱图的作图分析程序。
- Objective To define the ranges of IOP and ocular pulse amplitude(OPA)using Dynamic Contour Tonometer(DCT)in a healthy Chinese population. 目的调查动态轮廓眼压计(Dynamic Contour Tonometer,DCT)眼压及眼脉动幅度(Ocular Pulse Amplitude,OPA)在健康人群中使用时测量值范围。
- The radially averaged log amplitude spectrum of potential field can be modeled by lines with different slopes, which are the depths of the corresponding equivalent source layers. 位场信号的径向平均对数振幅谱可以由多条斜率不同的直线段拟合，直线的斜率即为相应的等效层的深度。
- The generator is mainly used for the accurate measurement of the channelwidth uniform of a multichannel pulse amplitude analyzer. 主要用于多道脉冲幅度分析器的道宽一致性的精确测量.
- Simulation results show that the phase-shift between pumping and signal light in PSA results in descending of soliton pulse amplitude. 仿真结果表明：抽运光与信号光之间的相位漂移将导致孤子脉冲幅度下降。
- The error of measurement caused by measuring pulse amplitude with oscilloscope is analized.And the reason of the overproof and the unususal phanomenon are analized also. 分析了用数字示波器测量脉冲幅度带来的测量误差，以及测量中产生超差现象和异常现象的原因。
- Change the inverter output voltage or output current are two kinds of different ways, namely, PAM pulse amplitude modulation control and PWM control pulse width modulation. 改变变频器的输出电压或输出电流有二种不同的方法，即PAM脉冲幅值调制控制和PWM脉冲宽度调制控。
- If there is hydrocarbon in the formation, an abnormal value will occur in the low frequency part of the amplitude spectrum ratio eurve o On the contrary, when no hydrocarbon exists in the formation there will be no abnormal value on the curve. 当地层含有油气时,在振幅谱比曲线的低频部分就出现异常值; 反之,不含油气时,就不出现振幅谱曲线异常。
- The results demonstrate that with the increment of applied pulse amplitude and pulse width, the maximum length and the number of origin points of the streamer increase. 研究结果表明，水中放电的最大流注长度和通道起始点数均随脉冲电压幅值和脉冲宽度增加而增加。
- DC-voltage comparative method and high sampling digital multimeter method can measure the pulse amplitude accurately,but their application is relatively limited. 直流电压比较法和高采样数表法可对脉冲幅度进行准确测量,但仅适于周期低频信号,应用受到局限。
- By the decomposition of the minimum and maximum phase components, the group of wavelets with the same amplitude spectrum and different phase spectrum could be found in cepstrum domain. 摘要利用子波的最大相位和最小相位分解技术，在复赛谱域得到一组具有相同振幅谱、不同相位谱的子波集合。
- Abstract: The error of measurement caused by measuring pulse amplitude with oscilloscope is analized.And the reason of the overproof and the unususal phanomenon are analized also. 文摘:分析了用数字示波器测量脉冲幅度带来的测量误差，以及测量中产生超差现象和异常现象的原因。
- The method not only can be applied to the complex reflection spectrum but also can be adapted to treat the amplitude spectrum alone, therefore it makes the method more practicactical. 此方法既适用于已知复反射系数谱,又适用于只知道反射系数振幅情况,从而使本方法更实用。
- Abstract The high silicon cast aluminum alloy with copper content was hard anodized by DC overlapped pulse power supply.The effects of pulse amplitude on film properties were primarily investigated. 以直流叠加脉冲电源对含铜的高硅铸造铝合金进行硬质阳极氧化，研究了电源脉冲幅度对膜层性能的影响。
- first-order spatial amplitude spectrum 基频模
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- 深远海浮式风电平台 - deep-sea floating wind power platform
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- 京雄高速公路 - Beijing-Xiongan expressway
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- 农业及相关产业增加值 - the added value of agriculture and related industries
