在声场中真正传递声能量者仅是有功声强中的无旋分量。
It is shown that it is the irrotational component of the active intensity that transfers sound energy in sound field.
首先通过跟踪平稳噪声能量，检测能量变化非平稳的信号；
First, the noise energy is tracked to detect the unstable signal.
在另一实施方式中，在脂肪组织的区域内与超声能量一起产生RF电场。
In another embodiment, an RF electric field is generated inside a region of adipose tissue together with the ultrasound energy.
经颅聚焦超声能量的治疗需要逐渐增加超声能量，直至患者的震颤减少。
Treatment with transcranial focused ultrasound energy is administered with incremental increases in energy until patients achieve a reduction of tremor.
然后以主分量对小波系数进行重建的平均能量作为局部噪声能量的估计；
Second, the wavelet coefficients are reconstruct based on the top few principle components and the local noise energy is estimated based on the mean energy of reconstructed wavelet coefficients;
这样说最确切，想象一段长度，你能够把超声能量放在你所想的任何位置。
The best way to describe it is that, you can imagine a little length, and you can put the ultrasound power on the body where you can do.
通过将超声能量发射到对象内并对反射的信号进行波束形成而形成超声图像。
Ultrasound images are formed by transmitting ultrasound energy into the object and beamforming the reflected signals.
其中频谱的非零频率信息可提取噪声能量，频谱的零频率信息可提取信号能量。
Then, noise energy can be abstracted from the nonzero frequency information of the spectrum, and signal energy from zero frequency information.
在保证光击穿的条件下，选择较大的激光焦斑半径，可提高光声能量转换效率。
Under the condition of optical breakdown, a high ratio of laser to sound energy conversion can be obtained with a large laser beam waist radius.
声强就是声场中的声波强度，它等于通过与能流方向垂直的单位面积上的声能量。
Sound intensity is the sound wave intensity in sound field, which equals sound energy through the unit area perpendicular to the energy flow direction.
透镜可以采用多种形状，包括菲涅尔特征并且可以聚焦、准直或散焦该超声能量。
The lens may take a variety of shapes, including Fresnel features, and may focus, collimate, or defocus the ultrasonic energy.
本文首先提出了客观评价噪声压缩效果的两个指标：残余噪声能量和信号畸变指标。
This paper firstly presents two criteria: residual noise energy and signal distortion criterion to evaluate the degrees of noise suppression and signal distortion.
采用表面声强描述振动声源表面的声能量辐射，采用声强描述声能量在声场中的传递。
The surface sound intensity is used to describe the acoustic energy radiation from a vibrating surface and the sound intensity is used to describe the acoustic energy transfer in the acoustic field.
这里通过各向异性扩散过程中信号与噪声能量的变化，利用扩散平衡来确定平滑的时间尺度。
In this paper, we determine the smoothing scale by diffusion balance with analyzing the signal and the noise energy variation in anisotropic diffusion smoothing processing.
为抑制电磁干扰现象，需要开发应用频率高电磁损耗大的吸波材料，有效吸收电磁噪声能量。
Electromagnetic absorbing materials with high magnetic loss in the high frequency range are required to absorb the noise energy, aiming at restraining the electromagnetic interference.
在本文条件下，我们论证正则化算子取拉普拉斯算子比取恒等算子恢复性能好，并且预测噪声能量。
And we demonstrate that Lapalacian operator is better than identity operator in the condition of this paper, predict the noise energy.
在不同背景噪声下的实验结果表明，该方法可适应背景噪声能量的变化，得到高正确率的词边界检测。
The experiments in different noise background show that the algorithm can adapt to the variation of the background noise level and reach high accuracy …
为了抑制高频发射噪声引起的电磁波泄漏，就需要开发频率高损耗大的电磁波吸收材料，有效地吸收噪声能量。
Electromagnetic absorbing materials with high frequency and high loss are required to absorb the noise energy, aiming at restraining the electromagnetic leak induced by high-frequency emission noise.
在另一实施方式中，形成包含该区域的皮肤和下层脂肪组织的突起，并将超声能量辐射至该突起中的脂肪组织。
In another embodiment, a protrusion of skin and underlying adipose tissue containing is formed and ultrasound energy is radiated into the adipose tissue in the protrusion.
算法通过利用鉴别信息，能够在包括语音帧在内的所有帧中更新噪声的能量，从而更准确地跟踪噪声能量的变化。
The algorithm uses this discrimination information to update the noise energy in all frames including the speech frames, so it could better trace changes in the noise-energy.
输入信号的频率只有位于噪声能量集中的低频区域，才有可能使输入信号被适量的噪声选择而产生随机共振现象。
Only the frequency of the input signal locates in the low frequency region, can the signal be selected by a proper noise level to produce SR phenomenon.
该结果对于功率超声的液体处理具有重要的意义，说明并不是声能量越大处理效果越好，而是存在一个最优的输入声能量。
The result is important for the liquid process of power ultrasonic and indicates that there is the optimal input energy corresponding to the best process effect.
结果：常规超声乳化和冷超声乳化两组病例在术后角膜内皮细胞减少等方面及超声能量使用均有统计学差异（P<0.05）。
Results: To conventional phaco and cold phaco cases, the use of ultrasonic energy and the decrease of endothelial cell are statistical differences (P<0.05).
该算法不依赖于对噪声方差进行估计，直接利用DCT变换对高频各个子带进行局部特征提取，从而估计噪声能量的估计阈值。
Instead of many algorithms rely on accurate estimation of noise variance, this algorithm estimates noise energy through DCT which extracts local feature.
词边界检测误差是语音识别中产生错误的主要原因之一，常规的检测算法在低信噪比尤其在背景噪声能量可变的环境下不能有效工作。
A major cause of errors in speech recognition is the inaccurate detection of word bound-ary. Conventional methods can not work well in the condition of low SNR and variable background noise level.
本文应用复声强的概念，讨论了复声强的实部即有功声强的有旋性质。指出：在声场中真正传递声能量者仅是有功声强中的无旋分量。
Using the concept of complex sound intensity, we discuss in this paper the rotational character of the active intensity which is the real part of the complex sound intensity.
摘要：超声相控阵聚焦能将超声能量聚焦于被检区域，使检测结果更加明显，但缺陷定量结果受相控阵仪器聚焦深度的设置影响较大。
Abstract: ultrasonic phased array focusing ultrasonic energy on the inspected area to make the test results more obvious. The focus depth setting had great influence in defect quantification.
对相关函数进行时域滤波，挑选出互相关函数中窄信号自相关函数部分，去掉剩余的大部分噪声能量，得到加窗互相关函数（CCF）。
The time-domain filter can then be used to select the narrow central portion of the cross correlation function (CCF), capturing virtually all of the signal but rejecting most of the noise.
对相关函数进行时域滤波，挑选出互相关函数中窄信号自相关函数部分，去掉剩余的大部分噪声能量，得到加窗互相关函数（CCF）。
The time-domain filter can then be used to select the narrow central portion of the cross correlation function (CCF), capturing virtually all of the signal but rejecting most of the noise.
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