Discrete cosine transform (DCT) is an effective method to signal enhancement.
离散余弦变换是声信号增强的有效方法。
Achievement of a signal to noise ratio adequate for precise registration is accomplished using digital signal enhancement techniques.
用数字信号增强技术可以得到足以精确定位的信号噪声比。
So using of the adaptive beamforming DLMS system can reach to the desired signal enhancement, for the purpose of nulling interference signals.
并且DLMS算法应用在自适应波束形成系统时，能达到使期望信号增强，同时将干扰信号抑制的目的。
The extracted fault characteristics of transient zero sequence current is looked as condition attributes and the multiple of signal enhancement is.
将提取的暂态零序电流故障特征作为条件属性，信号增强倍数作为决策属性，构成一个决策系统。
Separation of speech in voice communications, acoustic target detection, sound signal enhancement, and so has important theoretical significance and practical value.
语音分离的研究在语音通信、声学目标检测、声音信号增强等方面有着重要的理论意义和实用价值。
After reducing the noise by the technique of signal enhancement, the more extract approximation results than traditional approach can be achieved with the TLS method.
在采用信号增强技术降低观测噪声后，利用总体最小二乘方法估计被测信号参数可以得到比传统方法更好的分析结果。
015 tips: the phone with Zongye wrap, Guo Lizhu on 60 minutes, cell phone batteries, continued ability to be extended twice, the signal enhancement, and call dumplings can smell the aroma.
秘诀：将手机用粽叶包好，放在锅里煮60分钟，手机电池续电能力将延长两倍，信号增强，而且打电话时能闻到粽子香味。
015 5 tips: the phone with Zongye wrap, Guo Lizhu on 60 minutes, cell phone batteries, continued ability to be extended twice, the signal enhancement, and call dumplings can smell the aroma.
5秘诀：将手机用粽叶包好，放在锅里煮60分钟，手机电池续电能力将延长两倍，信号增强，而且打电话时能闻到粽子香味。
This neural network pattern recognition can be applied to feature extraction, clustering analysis, edge detection, signal enhancement and noise suppression, data compression, such as various links.
这样神经网络可应用于模式识别的特征提取、聚类分析、边缘检测、信号增强以及噪声抑制、数据压缩等各个环节。
The experimental results showed that the PA signal enhancement can be obtained by making use of the every one of the factors above, and so the sensitivity of PA detection was increased effectively.
实验结果表明，这些措施都能使光声信号增强，有效地提高光声检测的灵敏度。
On imaging, the tumour center is in the high nasal vault and demonstrates variable signal intensity on T2 weighted imaging with subsequent heterogeneous enhancement.
影像上肿块的中心位于高位的鼻穹窿，并且在T2序列上其信号强度不一，强化也不均匀。
Morphology, early phase enhancement rate, and signal intensity time course of the contrast enhancing areas in volunteers were investigated and compared with that of benign and malignant lesions.
分析实质增强灶数量、形态、早期增强率和时间信号强度曲线形态并与良恶性病变比较。
Compared with the method without fault information enhancement, it increases not only the ratio of signal to noise, but also the fault information.
与未采用故障信息增强方法相比，不仅提高了信号的信噪比，而且提高了故障信息。
In speech signal processing, the techniques of speech segmentation as front end of preprocessing are of great importance to speech enhancement, coding and recognition.
在语音信号处理中，作为预处理前端的语音分段技术对于语音增强、编码和识别都有极其重要的作用。
In the high efficiency and small signal region, we investigate theoretically the efficiency enhancement mechanism of far infrared free electron laser (FIR-FEL) with a reverse tapering waveguide.
在高效率和低电流小信号范围内，理论地分析了用反向渐变波导提高远红外波导自由电子激光器(FIR - FEL)效率的机理。
Conclusion TLR4 on monocyte may play an important role in recognition of virus, enhancement of specific signal transduction, initiation inherent antiviral immune response in human body.
结论单核细胞表面的TLR4在对病毒识别、增强特异性的信号传导、启动抗病毒的固有免疫反应中起着重要作用。
Both conversion efficiency and noise property are improved due to the enhancement of pump and signal interaction.
由于增强了泵浦与信号的相互作用，转换效率和器件的噪声性能获得了明显的改善。
In spectral resolution enhancement the linear prediction of exponentially decaying sinusoidal superposition signal is one of the key technologies.
在光谱成像的光谱分辨率增强技术中，对振幅衰减干涉信号的线性预测是其中的关键之一。
The parameters for evaluation in dynamic contrast enhanced MRI included early enhancement rate, time signal intensity curve pattern and lesion's morphological features.
动态资料的评价参数包括：早期增强率、时间信号强度曲线类型以及病变的形态学特征。
A kind of single input channel speech enhancement algorithm based on signal subspace is studied for enhancement of speech degraded by colored additive noise.
针对加性有色噪声干扰，提出了一种单通道输入基于信号子空间的语音增强算法。
Objective: to establish a curve of dosage gradient liver signal intensity of superparamagnetic iron oxide (SPIO) in normal rats and to find an appropriate dose for enhancement.
目的：研究正常大鼠肝脏磁共振的超顺磁性氧化铁(SPIO)剂量梯度-肝脏信号曲线，寻找合适的增强剂量。
Speech enhancement tries to extract clean speech signal from original one with noise and improve the SNR of speech signal.
语音增强则从含噪信号中提取干净的语音信号，提高语音信号的信噪比。
It can implement FPA data sample, data rearrange, nonuniformity correction, image enhancement, defect pixel automatic searching and compensation, video signal synthesizing and displaying, etc.
可以实时完成焦平面信号的数据采集、数据重排、非均匀性校正、图像增强、疵点自动查找和补偿以及视频合成显示等一系列功能。
Materials and Methods: Analyze the MRI findings of 41 cases of clinical defined brain MS, 13 cases spinal cord MS, including numbers of lesions, distribution, size, shape, signal and enhancement.
材料与方法：分析临床确诊脑部MS41例、脊髓MS13例的常规MRI表现，内容包括病灶数目、分布、大小、形态、信号特征及增强表现等。
The experimental results demonstrate the effectiveness of the spare signal expansion in the applications of image enhancement.
实验结果表明了这两种稀疏信号表示理论在图像增强方面具有良好的性能和广阔的应用前景。
The number of the lesions and the features of the signal and enhancement were observed, and a comparison with pathological results was made.
统计病灶数目，观察病灶在各序列上的信号变化和强化特征。
Conclusions: the surfactant contrast agent is capable of obvious enhancement of flow Doppler signal by intravenous injections, it would be researched further.
结论：表面活性剂类声学造影剂经外周静脉注射后血流信号增强效果显著，值得进一步研究。
Most of the lesions showed iso - or hypo-intense signal on T1WI and iso - or slightly hyperintense signal on T2WI. Lesions showed significantly homogeneous or inhomogeneous enhancement.
病变在T1WI多呈等或稍低信号，T2WI多呈等或稍高信号，呈明显均匀或不均匀强化。
Results All 10 pigs showed delayed enhancement signal, which was confirmed to be necrotic myocardium pathologically by TTC or HE staining.
结果10头苏中猪心脏磁共振检查均有心肌的延迟增强显像。
An adaptive noise cancellation method is presented to extract desired signal from array cross talk signals, and is used to microphone array speech enhancement.
本文提出了一种针对阵列交叉串扰信号的自适应噪声抵消方法，并将其用于麦克风阵语音增强。
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