查询词典 square wave

Wave-rippled ooid–intraclast grainstone beds and bedsets overlie shale or form the base of the second cycle type.

波痕状鲕粒内碎屑颗粒灰岩覆于页岩上或形成第二种旋回类型的底部。

Just gave Changsha railway station, the heat wave of blow on the face makes a person asphyxial, the body has felt those who be less than sweat is oozy.

刚出长沙火车站，扑面的热浪让人窒息，身体已经感觉不到汗水的渗出。

A lot of degrees hear that to wave to be living the song at heart ,The melody is not sadly moving again ,For you be able to come to open up before one's eyes this length of joys and sorrows dream in the way of smile at last .

很多次听那支飘荡在心里的歌，旋律不再凄婉，因为你终于能用笑容来展示这段悲欢离合的梦。

In order to know the feature of the inside electromagnetic wave, it is only needed to open a slit on the tube wall, and to put the probe into it.

因此，了解管内电磁波的性质，只需在壁上无电流处开缝，放入探针检测即可。

Li believes that in the case of steel stocks, some agencies have quietly Opening the performance of the stock has also indicated that it is a turning point, the market has been up and wave.

李鹏认为，钢铁股的情况下，一些机构已经悄然开幕股票的表现也表示，这是一个转折点，市场已和浪潮。

It carries out the amplitude-preserved migration with the phase shift amplitude-preserved correction operator in frequency-wave number domain and time shift amplitude-preserved correction operator in frequency-space domain.

文中引入了裂步傅里叶保幅偏移算法，分别通过频率－波数域的相移保幅校正算子和频率－空间域的保幅时移校正算子实现了保幅偏移。

According to the forward and inverse results of synthesi zed seismic records, our Q filtrating operator of the depth domain is consis tent with the seismic laws in the absorbing media, which not only considers the effe ct of the media absorbing of the waves, but also fits the deformation laws, name ly the frequency dispersion of the body wave.

在深度域的Q滤波算子符合地震波在衰减介质中的传播规律，不仅考虑了介质吸收对地震波振幅的影响，而且还保证了所造成的波形畸变满足因果规律，即地震体波具有某种频散性质。

First, we calculate out the zero point in a simple numeral method, then we get the phase according to the fact that the symbol of phase changed is opposite in the positive-slope and the negative-slope of triangle wave. This method has the following characteristics: easy to calculate, simple to realize and high precision.

首先用简单的数值方法较准确的计算出零点时刻；进而根据三角波扫频时正程和逆程相位变化符号相反的特性，巧妙的完成了相位计算，该方法具有计算简单、实现方便、准确度高等特点。

Active noise control is achieved by introducing a canceling "anti-noise"wave of equal amplitude and opposite phase using a secondary source.

主动消声是利用声波之间的相消性干涉原理，使声场局部区域声能相互抵消，从而达到降低噪声的目的。

The influences of the medium＇s basic optical parameter on the photon density wave were analyzed.

分析了介质的基本光学特性参数对漫射光子密度的影响，在验证已有的理论基础上，发现该模型下的解析解不适用于漫射系数D较大的情况。

This was not understood at the time, and therefore went unaddressed, until ascension became so distorted that we chose to stop ascending and wait for a time when all records would be revealed.

这在当时没有被了解，因此进行着无改编，直到提升变得如此扭曲，我们选择去停止提升并等待所有记录能被揭示的那一天。

The attack＇s nuisance value is increased because mobile phone networks also send notifications of new voicemail by sms,so an attacked phone may stop advising of new voice messages too,it warned.

它警告：这种攻击的危害增长是因为移动电话网络也会通过短信发送新语音邮件的通知。所以受到攻击的手机可也以停止新的语音信息的提示。