| 1. | Base on the special structure , xir laminate glass can effectively reduce the noise disturbance 基于xir夹层玻璃特殊的夹层结构,可以有效降低噪声干扰。 |
| 2. | Specification for calculation of noise disturbance effects of ac electrified railways on telecommunication lines 交流电气化铁道对电信线路杂音干扰影响的计算规程 |
| 3. | Specification for calculation of noise disturbance effects of ac electrification railways on telecommunication lines 交流电气化铁道对电信线路杂音干扰影响的计算规程 |
| 4. | This would in effect phase out the particularly noisy equipment items and minimize the noise disturbances emanated from the work sites 这制度实际上可逐步取缔多类噪音特高的设备,并可把地盘造成的噪音滋扰减至最低。 |
| 5. | Though avoiding noise disturbance , this method will lose some weak edge . so we take adaptive filter to sharp image edge in order to avoid losing image weak edge 采用自适应平滑滤波锐化图像边缘,再进行小波边缘检测算法,提出改进的基于b样条小波变换的边缘检测算法。 |
| 6. | The results of simulation show that the control system could make the agv have the adaptive capability to track various mark lines , have the strong capability against noise disturbance and have good performance on control effects 各种复杂环境下的仿真计算结果均表明,该控制系统使自动引导车具备对各种路径跟踪的适应能力,具有较好的抗噪声干扰能力和控制效果。 |
| 7. | Over packet switched networks , the noise disturbance , network congestion , etc . will all lead to packet loss and burst errors . in these cases , the quality of the decoded video will degrade severely and the carrying video service ca n ' t go on normally 在基于包交换的网络上,噪声干扰、网络拥塞等问题容易造成视频数据包的丢失或破坏,使得重建视频质量严重下降,承载的视频业务无法正常地进行。 |
| 8. | When submarine curves close the water surface , the course is affected by the quasi white noise disturbances . the close water control structure is same with that in deep water . the simulations show that the control effects are close to the ideal situations 由于在近水面航行时,航向所受到的主要是接近于白噪声的干扰,所以采用了结构和水下相同的航向自动舵,由仿真曲线可看出控制效果比较理想。 |
| 9. | Compared with the classical bp algorithm , robust adaptive bp algorithm possesses some advantages as following : ( 1 ) increasing the accuracy of the network training by means of using both the relative and absolute residual to adjust the weight values ; ( 2 ) improve the robustness and the network convergence rate through combining with the robust statistic technique by way of judging the values of the samples " relative residual to establish the energy function so that can suppress the effect on network training because of the samples with high noise disturbances ; ( 3 ) prevent entrapping into the local minima area and obtain the global optimal result owing to setting the learning rate to be the function of the errors and the error gradients when network is trained . the learning rate of the weights update change with the error values of the network adaptively so that can easily get rid of the disadvantage of the classical bp algorithm that is liable to entrap into the local minima areas 与基本bp算法相比,本文提出的鲁棒自适应bp算法具有以下优点: ( 1 )与鲁棒统计技术相结合,通过训练样本相对偏差的大小,确定不同训练样本对能量函数的贡献,来抑制含高噪声干扰样本对网络训练的不良影响,从而增强训练的鲁棒性,提高网络训练的收敛速度; ( 2 )采用相对偏差和绝对偏差两种偏差形式对权值进行调整,提高了网络的训练精度; ( 3 )在采用梯度下降算法对权值进行调整的基础上,通过将学习速率设为训练误差及误差梯度的特殊函数,使学习速率依赖于网络训练时误差瞬时的变化而自适应的改变,从而可以克服基本bp算法容易陷入局部极小区域的弊端,使训练过程能够很快的“跳出”局部极小区域而达到全局最优。 |
| 10. | And the paper expatiates on the further research on the optimum algorithm for solving the problem of noise disturbance , and experiments to examine its effect to remove noise . thus it discusses how to select the width of numerical value filter on the basis of a compromise in pitch detection and reconstructed speech quality 最后本文得出结论认为选择数值滤波算法分析窗的宽度需要综合优化算法中数值滤波对基音检测和合成语音质量这两方面不同的影响,而不单单只是考虑它对其中一方面的影响。 |