Current Situation of Noise Limiting of Chinese-made Motorcycles and Development Trend of Related Standards 我国摩托车噪声控制现状及标准发展趋势
Early systems modeled the host data as a disturbing noise limiting the effectiveness of watermark communication. 早期的水印系统模型认为原始多媒体数据是限制水印有效通信的干扰噪声。但不管怎样,理论分析表明,通过合理设计白化滤波器可以弥补被保护信息的干扰。
In various high performance, wide dynamic range frequency convertings, phase noise is a main limiting factor. 在各种高性能、宽动态范围的频率变换中,相位噪声是一个主要的限制因素。
Larvae and fingerlings of American shad were obviously stressful to flash light, noise, handling, and transporting, which were the main factors on limiting the survival, growth and development of the fish. 3养殖过程中,美洲鲥表现出对噪音、闪光、人工操作等明显的应激反应,这是限制美洲鲥成活、生长和发育的主要因素。
In the modem technology of wireless and radar communication, low-noise signal source is very important for improving system performance. The source phase noise is one of the most important limiting factors. 在现代无线电和雷达通信技术中,低噪声信号源对提高系统性能起着举足轻重的作用,而信号源相位噪声是其中最主要的限制因素。
It is well known that noise in a receiver is a major factor limiting its sensitivity. 接收机噪声是限制接收机灵敏度的主要因素。
At the same time, the network bottom noise substantially uplift is following the frequency resource limiting. 同时,受频率资源限制,网络底噪大幅抬升。
A multistage cascaded, differential broadband limiting amplifier effectively restrains common-mode noise. Without increasing extra power consumption and layout area, the limiting amplifier with frequency multiplier and source followers effectively expands the bandwidth. 限幅放大器选用多级级连的全差分结构,有效抑制共模噪声,并且在不增加芯片额外功耗和面积的前提下采用fT倍频器和插入源极跟随器有效地拓展了带宽。
In this paper, for the noise interference in time-domain diffusion length, the second improved algorithm combines with de-noising method of limiting to achieve the purpose of avoiding noise in the further. 本文的改进算法二主要针对时域弥散长度内的噪声干扰问题,结合限幅去噪的方法,进一步实现了时域去噪声的目的。
Towed array sonar has serious radiated noise and self-noise, greatly affect the range of effective observation, limiting the far distance of detection. 拖曳阵声纳附近存在比较严重的辐射噪声和自噪声干扰,极大影响了声纳的有效观察范围,限制声纳的远程探测的作用距离。
Frequency synthesizer is one of the key components used in electronic equipments. With the rapid development of modern wireless communications and radar technology, the high performance frequency sources become more and more important. Phase noise is a main limiting factor in electronic systems. 频率合成器是现代电子设备的核心部件之一,随着现代通信和雷达技术的迅猛发展,对频率源的指标要求愈来愈高,特别是相位噪声,己成为制约现代电子系统的一个瓶颈。
This method protects the SINR ( signal-to-interference-plus-noise-ratio) of user in Macrocell with low complexity by limiting the maximum transmit power of Femtocell users. 这种方法通过限制Femtocell用户的最大发射功率来保证宏基站用户达到预设的信干噪比(SINR:SignaltoInterferenceplusNoiseRatio)要求,此方法只需要求一次均衡,算法复杂度低。