这次展出的误认作品包括一幅杜勒的肖像画,后经研究判定并非出自其手;还有一幅波提切利的作品也是如此。
Among the mistakes included in the show is a durer portrait that later research determined was not by his hand; a Botticelli, too.
在此情况下可以对输入数据符号进行加权处理,从而得到一类MS K信号,这类MS K信号仍为等幅波、相位仍保持连续。
In these situations, one might apply additional input pulse weighting to form a class of MSK type signals which still maintain constant envelope and continuous phase.
这是上幅图中同样的声音信号形成的声图,但是菲舍尔用了另外一种不同形式的小波进行变换,而且在声图上玩了一些花样,得到了这样花朵锦簇的效果。
This is the same sound as led to the previous image, but Fischer has chosen a different type of wavelet to perform the transform and has played around with the result to produce a floral effect.
所以,不管我们讨论的,是哪种波,它们都有一些我们,能用到的共同的定义,其中第一个就是幅值。
So, regardless of the type of wave that we're talking about, there's some common definitions that we want to make sure that we're all able to use, and the first is amplitude.
这个阶段的脑电图以高幅低频的三角形delta波为主,所以被称为Delta睡眠。
It is called delta sleep because of the presence of high amplitude, low frequency delta waves that are seen to occur in the EEG.
或者换句话说,脉宽调制是一种调制技术,为发电可变脉冲宽度为代表的幅值输入模拟信号或波。
In other words, pulse width modulation is a modulation technique for generating variable width pulses to represent the amplitude of an input analog signal or wave.
复值小波变换能准确分辨出信号中所包含的幅值信息和相位信息,因而,适用于电力系统的故障信号的检测。
Because complex wavelet transforms can exactly identify amplitude and phase information in signal to be dealt with, they are suitable for detection of fault signals in power system.
一幅鸟瞰图捕捉蛇形路线在秘鲁的多山的查查波耶族地区的一条河流。
A bird 's-eye view captures the serpentine course of a river in Peru's mountainous Chachapoya region.
李克拉斯纳:[看到波洛克画出了他第一幅具突破性的画]你做到了,波洛克。你已打开了一个新局面。
Lee Krasner: [seeing the first painting of his breakthrough] You've done it, Pollock. You've cracked it wide open.
利用虚拟累量域波达方向矩阵的特征值的幅值和相位信息,就可以求出信号源的方位角和俯仰角。
The azimuth and elevation of the incident sources can be estimated respectively from the amplitude and phase information of the eigenvalues of the new matrix.
(正弦脉宽调制)是由控制回路产生一组等幅而不等宽的矩形脉冲列,用来近似正弦电压波。
SPWM is a set of constant amplitude but unconstant width rectangular serial pulse produced by control return circuit to approximate sinusoidal voltage waves.
当相对波度为高频的粗糙度时,只需考虑表面形貌的幅值效应。
But, when relative waviness comes into roughness, only the amplitude effect of surface topography should be considered.
分析了用运算放大器组成正弦波振荡电路的起振条件和输出电压幅值的调节及选频网络的构成。
This paper is involved in the analysis of oscillation starting condition, output voltage amplitude adjustment, and frequency selection network composition of sinusoidal coave oscillation circuit.
而在低电压单个刺激时见到的是单相或双相低幅的钝波。
While dull wave of monophasic or biphasic and low amplitude could be seen under low voltage single stimulation.
应用该两种方法可以精确地估计入射波和反射波的幅值以及反射系数等参数,能够获得入射波和反射波之间的相位信息,可以很好地应用在波浪分离中。
The amplitudes and reflection coefficients of the incident and reflected waves as well as the phases of the incident and reflected waves can be estimated by the present methods.
图27所示电路是一个幅值固定不变的三角波发生器。该电路产生频率可变的三角波信号,但其幅值与频率无关。
A constant amplitude triangular-wave generator is shown in Figure 27. This circuit provides a variable frequency triangular wave whose amplitude is independent of frequency.
系统采用直接数字合成(DDS)技术构建正弦波发生器,实现幅值、频率、相位等连续调节;
The system adopts direct digital synthetic (DDS) technology for building the sine wave generator to realize continuous regulation of amplitude, frequency and phase modulation.
同时变频变幅的TFFP锯齿波扫描信号可以灵活地改变系统的扫描范围,进一步提高了系统的解调速度。
While the alterable frequency and scope sawtooth sweep signal for TFFP can neatly change the scanning range of the system, which is more improved the demodulation speed.
驱动器具有恒流斩波、指数升降频和正弦波等幅均匀细分的功能。
Meanwhile, the driver had the functions of constant current chopper, index movements frequency and sine wave equal-breadth even subdivision.
随着入射波频率的增大,位移幅值的分布由简单逐渐变得复杂。
With the increase of the incident wave frequency, the amplitude distribution become complex gradually.
在将粘性影响线性处理后,采用迭代法求解半潜船在规则波中的运动幅值和相位角。
The motion amplitude and phase Angle of a semi-submersible in regular waves are solved by means of iteration method after the non-linear viscous effect was processed linearly.
利用正弦多项式近似直接产生数字正弦波,而无需限制相幅转化速度的ROM。
This design dispenses with ROM which mainly limits the converting speed of DDS, but USES SIN function polynomial approximation directly generating digital SIN wave.
同时发现波包的幅值放大因子远小于最不稳定单色波。
The amplification factor of the maximum amplitude of the wave packet is much smaller than the most unstable normal mode.
调节正负半波的幅值、频率及占空比能满足铝及铝合金的焊接工艺要求。
The variable polarity power supply can satisfy the welding process of the aluminum and aluminum alloy by adjusting the current frequency, positive and negative current time and amplitude value.
癫痫放电的主要型式有:棘波、尖波、棘(尖)慢波综合、高幅失律等。
The pattern of epileptiform activity in this model included:spike waves, sharp waves, spike (or sharp)slow wave complex, high amplitude irregular epileptiform discharges.
稳态输出是和海流同周期的正弦波,稳态输出的幅值也与海流最大流速成正比关系。
The steady state is a sine wave with the same period of tide, whose amplitude is also linear with the maximum velocity of tide.
脉冲电流幅值和EP半波时间对铝合金表面氧化膜的清理有重要影响,在焊接薄板铝合金时应采用较低的脉冲频率。
The pulsed current peak value and EP time have a important effect on removal of the surface oxide, the lower frequency should be adopted for thin sheet of aluminium alloy.
戊四氮致痫组脑电记录呈频发高幅的痫样波,氯喹干预组痫样波幅低且缓。
EEG recordings showed no epileptic spikes in control group, but there were high amplitudes with higher rates in PTZ group, low-amplitude and slow oscillatious in chloroquine intervening group.
根据水面波的正确图示法,推导出水面波的波形曲线方程是一条短幅旋轮线,这为旋轮线在力学中的应用提供了一个新例证。
According to the correct diagram of water waves, the equation of their carve is obtained, which is a short-range cycloid. That provides a new sample for the application of cycloid to mechanics.
根据水面波的正确图示法,推导出水面波的波形曲线方程是一条短幅旋轮线,这为旋轮线在力学中的应用提供了一个新例证。
According to the correct diagram of water waves, the equation of their carve is obtained, which is a short-range cycloid. That provides a new sample for the application of cycloid to mechanics.
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