Once you measure the period of a pulse waveform , the frequency is found by如果你测量了一个脉冲波形的周期,则其频率可以? using another setting.通过其他设置得到。using another type of instrument.通过使用其他仪器得到。measuring the duty cycle.通过测量占空比得到。finding the reciprocal of the period....
Once you measure the period of a pulse waveform, the frequency is found by( ) A using another setting B measuring the duty cycle C finding the reciprocal of the period D using another type of instrument 相关知识点: 试题来源: 解析 C ...
The computing method for naturalfrequencyof feeding machine is introduced. 介绍了吐丝机固有频率的电算方法. 期刊摘选 This allows the ear nerve to be tempered,frequencynoise damage, there is a certain subduction. 这样可以让耳朵的神经得到锻炼, 对低频噪音的伤害, 有一定的消减作用. ...
expresses the frequency domain relationship between an input (x) and output (y) of a linear, time-invariant system An experimentally measured Frequency Response Function (or FRF) is shown in Figure 1: Figure 1: Bode Plot of Amplitude and Phase of a FRF function. Amplitude has peaks correspo...
a醇酸防锈底漆 alkyd rust inhibiting primer[translate] a我知道你迷恋上一位影视女星 I knew you are infatuated with a film and television star[translate] ait is inadequate to take a frequency measure as surrogate 它是不充分的采取频率措施作为代理人[translate]...
Map distance is one of the key measures in genetics and indicates the expected number of crossovers between two loci. Map distance is estimated from the observed recombination frequency using mapping functions, the most widely used of those, Haldane and Kosambi, being developed at the time when ...
However, the highest reported accuracy for frequency ratio measurements has remained largely unchanged for more than a decade3,4,5. Here we operate a network of optical clocks based on 27Al+ (ref. 6), 87Sr (ref. 7) and 171Yb (ref. 8), and measure their frequency ratios with ...
It answers basic questions, such as: When is a particular frequency component present in my signal? How do I increase time or frequency resolution? How can I sharpen the spectrum of a component or extract a particular mode? How do I measure power in a time-frequency representation? How do...
Type—Type of input signal 'Frequency'(default) |'Time' Type of the input signal, specified as the comma-separated consisting of'Type'and one of the following: 'Frequency'if the input signal is power spectrum data. 'Time'if the input signal is time domain data. ...
Note that the coherence measure though is different from a correlation as it cannot take on a negative value, so to be more accurate one might say that coherence is the time–frequency value of the absolute value of correlation. The only major difference between our data is that Gallegati ...