用此脉冲产生的频率梳横跨数十万的频率范围(或齿),能够灵活精确的测量十分宽泛多样的现象。
The resulting comb spans several hundred thousand frequencies, or teeth, enabling flexible and accurate measurements of wide-ranging or widely varied phenomena.
通过统计所发出X光的数量,然后对照激光脉冲的频率,测量小组能得出一个非常精确的测量值,从2s能级到2p能级跃迁所需的量子能量。
By counting the number of such X-rays while scanning the frequency of the laser pulse, the team could make a very precise measurement of the photon energy required to drive the 2s-2p transition.
为探讨闪声融合频率与听觉疲劳的关系,测量了80名接触噪声工人和60名非接触噪声人员的脉冲声和双音调闪声融合频率。
Auditory fusion frequency (AFF) of impulse sound and paired pitch in 80 workers exposed to noise and 60 non exposed ones were measured to study the relationship between AFF and auditory fatigue.
本文介绍采用8031单片微机实现探鱼仪脉冲载波频率的测量。
This paper introduces the measurement of fish-Finder's pulse modulating frequency with the 8031 single chip computer.
介绍了具有频率测量、脉冲周期测量、脉冲宽度测量以及脉冲信号占空比测量等功能的数字频率计。
It introduces a digital cymometer which has the functions of frequency measuring, pulse cycle measuring, pulse width measuring and pulse signal ratio measuring.
应用中断控制技术测量不同频率方波信号的脉冲宽度。
The pulse width measuring of the different frequency square wave signals was done by using interrupt control technology.
的正直流电晕流光脉冲的振幅和频率根据不同的压力和湿度进行测量,结果是在良好的流体模型计算出的波形协议。
The positive DC corona streamer pulse amplitude and frequency under different pressure and humidity was measured, the results were in good agreement with the waveforms calculated by the fluid model.
研究频率测量过程中输入信号的脉冲边沿与测量设备的闸门信号边沿不一致造成的频率测量误差。
This paper analyzes usual measuring errors caused by inconsistency of the input signal pulse verge and strobe signal verge in frequency measurement. It sets forth an effective solution.
文中详细地分析了被测信号的频率和计数脉冲的频率与测量精度之间的关系。
This paper particularly analyze the relation between frequency of measured signal and frequency of count pulse on measuring precision.
本文给出了一种齿轮测速的方法,将转速信号转化为脉冲频率信号进行测量和显示。
It trans - forms the speed signal into pulse frequency signal to measure speed and indicate the speed.
第六章主要对角度变化率和离心加速度参数的获取技术进行了研究,提出了几种高精度测量脉冲序列多普勒频率变化率的方法。
The sixth chapter studies the techniques in measuring the bearings changing rate and centrifugal acceleration, and poses several algorithms of measuring pulse Doppler shift frequency changing rate.
设计了具有较宽频率响应范围的紧凑型测试电路,结合高速数字示波器TDS75 4c对油中的局部放电脉冲波形进行了测量。
A compact circuit with enough wide frequency response is designed and the high speed digital oscilloscope TDS754C is used to measure pulse current of Partial Discharge (PD).
它不仅可以测量正弦波、方波、三角波、尖脉冲信号和其他具有周期特性的信号的频率,而且还可以测量它们的周期。
It can measure not only the sine wave, square wave, triangle wave, a sharp pulse but also can measure other characteristics of the signal wave.
在直管脉冲爆震发动机上安装不同类型的喷管,利用推力传感器测量了不同频率下发动机的瞬态推力和平均推力。
Test results from an experimental investigation of the effect of nozzle on the thrust of a straight tube pulse detonation engine are presented.
给出用光谱分辨的二次谐波自相关法测量输出脉冲的结果,证实在锁模脉冲中已发生频率调制。
The results of the spectrum-resolved SHG correlation measurements of the mode-locked pulses also are presented, which confirmed the presence of frequency chirping in the pulses.
详细分析了周期测、频率法利用编码器脉冲计算超低转速时的分辨率及绝对误差,给出了影响转速测量的影响因素。
The resolution and error were analyzed based on frequency measurement and period measurement, and the factors were given that influencing the speed measurements.
二次谐波频率分辨光学门(SHG-FROG)是能够准确测量短脉冲多项特性参量的新技术。
The second-harmonic generation frequency-resolved optical gating (SHG-FROG) analyzer can be used to exactly measure the pulses characteristics.
这是一种可用于连续,重复频率脉冲及单脉冲激光光束传输特性的分析测量方法。
The method is usable for CW Iaser beam, repetition pulsed laser beam and single pulsed laser beam.
从互易性偏置调制的机理出发,将对本征频率的测量转化为对无效调制光功率响应的尖峰脉冲的测量;根据光功率响应机理,将对半波电压的测量转化为求有效调制光功率最小值。
The method comes from the mechanism of reciprocal shift modulation, which transforms the measuring of eigenfrequency into measuring the spike pulse responding to ineffective-modulation optic power.
测量功能:高精度测量电流电压、P、Q、功率因数、频率、零序电流、计算电度;2路脉冲量输入实现外部电度表自动抄表;
Measure function: can measure current, voltage, active power, reactive power, frequency, zero sequence current, electric energy, 2 pulse inputs implement watt-hour meter auto read;
测量功能:高精度测量电流电压、P、Q、功率因数、频率、零序电流、计算电度;2路脉冲量输入实现外部电度表自动抄表;
Measure function: can measure current, voltage, active power, reactive power, frequency, zero sequence current, electric energy, 2 pulse inputs implement watt-hour meter auto read;
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