Pascal Lamy, WTO Director-General, said: "the best contribution the G20 summit in Seoul can give to global growth and development is to send an urgent signal that its members are ready to push the Doha development agenda into the endgame." wto总干事帕斯卡拉米(pascallamy)表示:“g20首尔峰会对全球增长和发展能够作出的最好贡献,就是发出一个紧迫信号,表明其成员国已准备好推动多哈发展议程进入最后阶段。”
Therefore it is a world-wide hot topic and urgent affair to implement all-optical switching and all-optical signal processing in optical network nodes since the beginning of this century. 因此,变革传统的“光-电-光”信息交换方式,在网络节点上实施全光交换和全光信号处理是本世纪以来的全球研究热点,也是当务之急。
Multiple target distinguishing is one of the most urgent and difficult technical problems in radar signal processing. 多目标鉴别是雷达信号处理中迫切需要解决的技术难题。
In feedback control, have proposed being supported by computer network, start to different danger class different to meet an urgent need accident to rescue prediction scheme control method behind the accident by way of warning the signal lamp and controlling pre-warning. 在反馈控制方面,提出了以计算机网络为依托,通过警示信号灯进行预警控制的方式和事故后针对不同危险等级启动不同应急救援预案的事故后控制方法。
So it is urgent to investigate the simulation method of signal level in order to properly evaluate the weapon system by the way of computer simulation. 因此研究对雷达导引头进行信号级的仿真是仿真评估武器系统效能的关键。
Numerical analysis methods for electromagnetic radiation and scattering by objects in planar multilayered media have urgent need in many applications such as radar targets and model, geophysics exploration, remote sensing, microstrip antenna and circuit simulation and signal integrality analysis and so on. 平面分层介质中目标的电磁辐射与散射数值分析在雷达目标建模、地球物理探测、遥测遥感、微带天线或电路仿真和信号完整性分析等诸多领域具有广泛的工程应用需求。
Noise cancellation is an urgent key technology in the signal processing of towed array sonar. 拖船噪声抵消是拖线阵声纳的信号处理迫切需要解决的一项关键技术。
Signal processing plays an important role in various fields and with the development of mobile communication and the geological prospecting technology, a new kind of signal processing is in an urgent need, then blind signal processing arises at the historic moment. 信号处理在各个领域一直有着重要的地位,而伴随着移动通信和地质勘探技术的发展,迫切需要一种新的信号处理方法,盲信号处理就应运而生。
It has become of an urgent problem that how to reduce the calculations in the signal process and keep the performances of the time-frequency distribution at the same time. 如何在保持信号时频分布分析方法性能的同时,减少信号处理的运算量成为一个急需解决的问题。
Signal transmission will be exposed to many kinds of noise or interference pollution in communication systems, it is always an urgent problem that how to extract useful signal from being contaminated effectively in communicational technology. 信号在通信系统中传输时会受到各种噪声或干扰的污染,如何有效地从受到污染的信号中提取有用信号始终是通信技术中迫切需要解决的问题。