查询词典 noise wave

Aiming at these problems, we have designed the processing workflow to effectively suppress the surface Wave interference, regular interference, high energy interference, and other random noise interference. The treatment clue was from thick to thin. Firstly, the spectral analysis method was used to establish macroscopic velocity field. Then, the ray tomography method was used to enhance the accuracy of velocity analysis and to establish a more accurate velocity model. Finally, the finite difference pre-stack depth migration on method in -k domain was adopted to solve the imaging problem of subsalt and salt dome flank.

通过合理组织处理流程，有效压制了面波干扰、规则于扰、强能量干扰和随机噪声干扰；采用由粗到细的思路，先利用谱分析方法建立宏现速度场，再利用射线层析成像方法提高速度分析精度，建立了较为准确的速度模型；利用频率－空间域有限差分叠前深度偏移解决了盐下及盐丘侧翼的成像问题。

Indeed, there are moments today — amid out-law litter, tax cheating, illicit noise and motorized anarchy — when it seems as though the scoffer represents the wave of the future.

今天，随处乱丢垃圾、逃说、违禁噪音以及开汽车的无政府状态，真是比比皆是；有时简直使人觉得玩忽法令者代表未来的潮流了。

The results show that signal-to-noise ratio and characteristics of the measured waves are good, and that slowness curves of fast and slow waves, anisotropy, and fast and slow shear-wave azimuth match well with each other.

结果表明，该仪器测得的波形信噪比高，波形特征清楚正确，资料处理结果中的快、慢横波慢度与各自的横波波形、各向异性及快、慢横波面方位角等都有良好的对应关系。

The method of noise source identification and location based on Wave Superposition Method is proposed.

提出了基于波叠加的噪声源识别和定位方法。

It can improve power loss factor of the system, reduce effect to cable and other equipment caused by the high hypo syntony wave, and can reduce noise of the motor.

可改善系统的功率因数，减小高次谐波对电缆及设备的不良影响，降低电机噪音。

To solve the problems less valid data in thermal infrared imager, uneasy dipartite corrosion area in image and lower the signal to noise ratio which happened in detection of structure parts hidden corrosion by thermal wave imaging, the improved PCA based on the wavelet was presented.

针对飞机结构隐藏腐蚀热波成像检测中出现的热像仪中有用数据较少、图像序列中腐蚀区域与非腐蚀区域对比不明显、信噪比较低等问题，提出了基于小波变换的改进PCA算法。

With the development and application of three-terminal devices, a millimeter-wave three-terminal device oscillator has some advantages over a two-terminal oscillator, for instance, operation frequency band, efficiency, stability and integrity. Especially, for PHEMT (pseudomorphic high electron-mobility transistors) oscillator and HBT (heterojunction biplor transistors) oscillator, there is lower noise and better integrity, operate in wider dynamic range and higher frequency band.

随着三端器件的发展，相对于毫米波二端器件振荡器而言，毫米波三端器件振荡器具有工作频带宽、效率高、工作稳定和集成度好等优点，特别是用PHEMT和HBT器件制作的振荡器，具有更低的噪声，更大的动态范围，更好的集成度，可以工作在更高的频段，所以固态器件毫米波振荡器已逐步向三端器件振荡器发展。

The results of simulation experiments for single channel data or arbitrary channel of multi-channel data show the clearer event, the better wave shape and the higher SNR compared with the conventional convolution filter and common SVR based on RBF. So it is possible that SVR based on Ricker wavelet kernel function is applied to suppressing noise in seismic prospecting data.

对单道记录或多道记录中任选道的仿真实验表明，与传统的基于径向基核函数的支持向量回归及褶积滤波方法相比，使用本方法去噪后的同相轴更为清晰，波形恢复得更好，信噪比也较高，因此有可能将其应用于地震勘探记录的去噪处理中。

The mechanism of coupled evanesces wave temperature sin is analyzed with the theory of strong coupling. A temperature detection system based on a micro-controller is designed. To eliminate circuit noise, hardware and software filters an introduced to improve stability of the temperature detection system.

用强耦合理论分析了耦合式渐逝波温度传感器的传感机理，在此基础上设计了一种基于单片机的温度传感系统，并引入硬件和软件双重补偿修正，来消除前端电路噪声影响，达到提高测量结果稳定性的目的。

This thesis demonstrates a novel method to generate low noise interference of optical millimeter-wave signals with carrier suppression by using a frequency multiplication technique.

中文摘要本论文证实了一新颖的方法，利用抑制载波的倍频技术方式来产生低杂讯干扰的微波光讯号。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。