和F-X等预测滤波方法都是常用的噪声衰减技术。
T-X and F-X prediction filtering methods are common noise attenuation techniques.
基于空间中值滤波算法的巨浪噪声衰减技术对于此类噪声的衰减效果良好,但其应用存在一些限制条件。
A new approach named swell noise attenuation, which is based on spatial median filter arithmetic, can be adopted to suppress such a noise with some limitations.
采用超声衰减技术研究了稀释纸浆悬浮液中纸纤维质量浓度的测量方法,讨论了稀释纸浆悬浮液中超声的衰减机理。
Ultrasonic attenuation technique is used to investigate a method to measure mass concentration of paper fibers in dilute pulp suspensions.
最近的技术蓬勃发展,以下通过在强磁场,从而影响PET图像分辨率和衰减校正领域的改变正电子的运动技术障碍。
The technology recently blossomed following passing a technical hurdle of altered positron movement in strong magnetic field thus affecting the resolution of PET images and attenuation correction.
采用荧光粉包膜技术,减少三基色荧光粉的衰减。
It adopts enveloping technology of fluorescent powder to reduce attenuation of tri - phosphor fluorescent powder.
本文分析了集成化可变光学衰减器的工作原理、工艺制作和测试技术。
This paper introduces the principal theory, process and test technology of variable optical attenuator.
这项技术通过双能X-射线成像,重叠的组织信号可以被隔离,并利用不同能量的X射线的改变衰减量化。
The technique makes use of dual energy X-ray imaging, where overlapping tissue signals can be isolated and quantified by exploiting the change in X-ray attenuation at different energies.
采用特有的处理技术,确保灯管在有效寿命期间的紫外线衰减小于25%。
Adopting special technical treatment on lamps to guarantee UV depreciation less than 25% during the useful lifetime.
此软件能根据一定的技术指标要求(如带宽、带外衰减等),优化出双工器最佳参数。
According to the designing demands, such as bandwidth, stop-band attenuation, the optimization software can optimize the diplexers.
利用微波吸收介电谱检测技术测得了还原增感立方体氯化银微晶光电子衰减随增感条件的变化规律。
The decay rule of photoelectrons in sensitized cubic AgCl microcrystal is obtained by microwave absorption dielectric spectrum detection technique.
本文报道了塑料闪烁体的技术光衰减长度的测量原理、方法和测量装置,并对影响此参数的因素进行了讨论;
This paper describes the principle, method and apparatus for measurement of technical light attenuation length of plastic scintillators. The factors that influences this parameter are discussed.
在扫描仪控制方面,提出了色差补偿技术,解决了扫描仪在长期使用后出现的信号衰减问题,延长了扫描仪的使用寿命。
In scanner controlling aspect, a chromatism compensation technology is put forward, so as to solve the problem of signal attenuation and prolong the life span of scanners.
本文采用自动数据采集及FFT技术研究应力波的弥散与衰减特性。
Dispersion and attenuation characteristics of stress waves were studied by means of the automatic data collection and FFT technique.
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。
In spectral resolution enhancement the linear prediction of exponentially decaying sinusoidal superposition signal is one of the key technologies.
本文通过分析论证,揭示了运动波数值解法的关键技术——人工衰减措施。
Here we reveal theoretically the key point to use numerical solution of kinematic wave-artificial attenuation process.
主要采用了F - K域滤波法、内切除和近道能量衰减法压制多次波三种技术,取得了较好的效果。
Mainly used three methods, including including the F-K domain filter, internal excision and the energy decay method to attenuate multiple and obtained a more ideal result.
噪声主动控制技术目前已用增加双隔板结构对声音进行衰减。
Active noise control technology has recently been used to increase the sound transmission loss of double wall structures.
重点研究了纯生啤酒泡沫稳定性的影响因素、衰减规律及控制技术。
Focusing on draft beer foam stability, the paper puts much attention to the deciding factors, decline principle and control technology.
在电力载波技术的应用中,信号干扰和衰减是影响信号传输的重要原因。
In powerline carrier wave application, signal disturbing and signal attenuation is the important reason of effecting signal transmission.
在密闭型耳罩中,利用有源降噪技术可以较好地衰减低频噪声以使整个可听声频率范围内获得良好的衰减特性。
L. f. noise can be better attenuated so as to obtain good attenuation characteristics over the entire audible frequency range by using active noise reduction technique in the closed-air type earmuff.
该流量槽,在使用衰减全反射比(ATR)技术下运行,是专为亚毫敏感性设计,并与最广泛范围的化学过程相容。
The flow cell, operated with Attenuated Total Reflectance (ATR) technology, is built for sub-millimolar sensitivity and is compatible with the broadest range of chemistry.
目的:探讨MRI快速液体衰减反转回复技术(FLAIR)在脑实质型脑囊虫病中的应用价值。
Objective:To evaluate the application of fast fluid attenuated inversion recovery(FLAIR)pulse sequence of MRI in cerebral parenchyma cysticercosis.
应用随机减量技术对响应信息进行处理,相应于结构的每一振型可得到一条独特的随机衰减曲线,该曲线代表结构自由振动响应。
Processing the response signals by using the random decrement technique, a unique corresponding to each mode is obtained, which represents a free vibration response of the structure.
介绍了五位数控衰减器单片电路的主要技术指标和设计方法。
The design and the main technique specification of a five-bit MMIC digital attenuator were introduced.
靶组织体积的计算受PET图像采集模式,散射校正方法,衰减校正方法,重建技术,图像显示模式,正电子药物等因素影响。
Many factors work on the target volume calculation, such as PET image acquisition mode, scatter correction, attenuation correction, reconstruction method, image display mode, positron pharmacy.
目的探讨超声衰减成像技术(uai)定量评估肝纤维化的可能性。
ObjectiveTo investigate the feasibility of quantitatively assessing hepatic fibrosis by ultrasonic tissue attenuation imaging (UAI).
目的探讨超声衰减成像技术(uai)定量评估肝纤维化的可能性。
ObjectiveTo investigate the feasibility of quantitatively assessing hepatic fibrosis by ultrasonic tissue attenuation imaging (UAI).
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