查询词典 waveforms

Results Ultrasound studies have demonstrated that 14 cases chromosomal defects are associated with multiple fetal abnormalities, including 11 cases cardiac abnormalities (78.6%), 9 cases hydroamniofluids (64.3%), 8 cases mild ventriculomegaly (57.1%), 7 cases fetal growth restriction (50%), 5 cases abnormal umbilical arterial doppler waveforms (35.7%), 4 cases esophageal atresia (28.6%), 3 cases exomphalos (21.4%), 1 cases clubhands (7.1%), 1 cases cleft lip (7.1%).

结果 14例胎儿产前超声检查均发现二项以上的超声表现异常，其中心脏结构异常11例（78.6%）；羊水过多9例（64.3%）；脑室增宽8例（57.1%）；胎儿生长受限7例（50%）；脐动脉血流指标增高5例（35.7%）；食道闭锁4例（28.6%）；脐疝3例（21.4%）；腕关节异常1例（7.1%）；唇裂1例（7.1%）。

The results show that the potential waveforms are the exponential function of time .

在R-C模拟体系中，研究了方波脉冲电流作用下电位响应波形的基本特征。

With fast Fourier transformation, the waveforms of P-t curve were analyzed, and corresponding dynamic three-dimensional spectra were obtained.

用快速富立叶变换方法分析了P-t曲线的波形，得到了次声的三维动态谱。

For more complex waveforms, an external capacitor at the filter pin can be used for supplementary signal demodulation.

针对更复杂的波形，在滤波器引脚加上一个外部电容器便可用于辅助信号的解调。

First, ringing can drive voltage and current waveforms outside the forward biased and reverse biased safe operating areas of the power switches causing device reliability degradation or near instant failure of the power semiconductors and other components.

LCL-816G 传感器模型是由四个电阻元件组成的桥，需电压激励。将5V 激励电压加在传感器高端，施加900g 最大激励时，满刻度输出摆幅为±10mV 差分信号。该小差分信号被双运放仪表放大器放大。根据电路精度要求，选择一个12位 A/D 转换器。

Through establishing the functional of the source pulse which is based on the concept of "usable energy" in the received pulse and then extremizing the functional by means of the calculus of variations, the mathematical models of the optimized source pulse waveforms are shown to be associated with the eigenfunctions of a homogeneous Fredholm linear integral equation of the second kind. An efficient algorithm is developed for numerically solving the integral equation models.

论文研究了基于延迟反射脉冲序列无源标签的UWB RFID系统的基本工作原理并进行了详细的信号描述和分析，通过建立基于接收脉冲"有效能量"概念的源脉冲波形函数的泛函和使用变分计算泛函极值，得到了相关于第二类齐次Fredholm线性积分方程特征函数的源脉冲波形最优解数学公式模型，并开发了一套有效的数值求解算法。

Unstructured data such as text, graphic images, still video clips , full motion video , and sound waveforms tend to be large -- a typical employee record may be a few hundred bytes, but even small amounts of multimedia data can be thousands of times larger.

从数据量上看，文本，图像，视频剪辑，电影，音频波形等非结构化数据所需的存储空间十分庞大。一条典型的雇员记录可能只需数百字节，而一条普通的多媒体数据就可能数千倍于前者。

We now have to make some assumptions about the characteristic of the jitter to proceed. One assumption that seems to work is that the jitter amplitude has a Gaussiandistribution. For a jitter waveform that has a Gaussian distribution, there is a point on the Gaussian jitter distribution curve that reflects the RMS value of jitter for Gaussian distribution waveforms, just as with the wave.

一个可行的假定是Jitter幅度具有高斯发布，对于有高斯发布的Jitter波形，高斯Jitter分布曲线上有一点反映了Jitter在高斯分布波形下的RMS值，这点称为"1-sigma值，标准分布"或者"RMS Jitter"值。

Standard waveforms include: sine, square, triangle, dc, positive ramp, negative ramp, sine/x, pulse, pulse train, cosine, haversine and havercosine.

标准波形包括：正弦波，方波，三角特区，积极坡道，消极坡道，正弦/十，脉冲，脉冲，余弦， haversine和

Dynamical behaviors such as periodic, quasi-periodic and chaotic waveforms are observed on oscilloscope. It is expected that the proposed chaotic sources and their circuit implementations are beneficial to the application of neural networks. 4 A template of Cellular Neural Network is derived aimed at solving second-order hyperbolic wave equations based on space discrete method, a novel alternating recursive algorithm implementation is given.

提出了采用复数神经网络进行FIR滤波器设计的方法，利用复数信号能够同时携带幅度和相位信息的特点，构造了相应的具有复数的状态、偏置输入、输出、网络联接权的复数神经网络，证明了算法的收敛性，给出了网络的电路实现图，这方面工作对于拓展神经网络算法的应用范围和寻求FIR滤波器的设计新方法是有益的。

As she looked at Warrington's manly face, and dark, melancholy eyes, she had settled in her mind that he must have been the victim of an unhappy attachment.

每逢看到沃林顿那刚毅的脸，那乌黑、忧郁的眼睛，她便会相信，他一定作过不幸的爱情的受害者。

Maybe they'll disappear into a pothole.

也许他们将在壶穴里消失