In HF channel modeling, doppler spread effects are usually simulated by filtering white Gaussian noise. The signal correlation in time domain deviates far from the theoretical value.
在短波信道建模中,通常采用对高斯白噪声滤波来仿真多普勒扩展效应,这些模型的时域相关值与理论值相差较大。
The next time you feel the urge to spread the latest news, think about why you want to gossip and what effects your "juicy story" might have.
下次你想要传播最新消息的时候,想想你为什么要八卦,你那“有趣的故事”可能会产生什么影响。
Schuchard and colleagues worked out how to spread this disruption to the entire Internet and simulated its effects.
舒查德与其同事想出如何将这一中断传播至整个互联网并模拟了其效果。
So, when one of these positions reverses, the effects spread rapidly as speculators bail out of their positions to reduce risk and preserve their capital.
因此,当一个领域状况发生逆转,投机者就会撤出资金来降低风险和保护自己的资本,这会使这种撤出效应会迅速传播。
The effects of new analytical tools developed in the 1970s spread out from the profession's core like a shockwave.
在1970年代形成的新的分析工具的影响,似冲击波一般从经济学专业的核心向外扩散。
They also plan to study the extent of the thermodynamic effects, both in terms of local magnitude and of how far downwind the effects spread.
他们还计划从当地重要性和在顺风中传播的距离两个角度研究热力学影响的程度。
WHO works with Member States to help them scale-up and deliver comprehensive services in order to mitigate the spread of the disease and lessen its effects.
世卫组织与各会员国合作,协助各国逐步扩大并且提供综合性服务,以缓解该病的传播并减轻其影响。
Mass chemoprophylaxis is strongly discouraged, as it has no effect on the spread of cholera, can have adverse effects by increasing antimicrobial resistance and provides a false sense of security.
坚决不提倡大规模的预防性化疗,因为对霍乱的传播没有影响,可通过加强抗生素耐药性产生不良作用,并提供了虚假的安全感。
The effects have spread well beyond Japan, causing shutdowns from South Korea to Spain.
而这种影响已经由日本本地扩散到韩国和西班牙,导致那里的工厂停工。
How much oil is already sullying the gulf, and thus how far the disaster's effects may yet spread, is a matter of dispute.
已经玷污了海湾的石油有多少,这场灾难的影响可能蔓延多远,是具有争论的问题。
This included where the oil spread, what land areas were affected, and effects on wildlife.
包括原油从哪里扩散,哪部分土地受了污染,哪些野生动物受到了影响。
But more significant is the decline in the death rate, or deaths spread across miles of driving — long division that helps smooth out effects of economic cycles.
不过,死亡率的下降,也就是按英里数计算的死亡人数的下降更为重要,因为这种计算方法有助于消除经济周期的影响。
First, the effects of the recession were unevenly spread.
首先,本次衰退后果的扩散并不均匀。
And, he added, when the same sort of effects show up in the spread of obesity as in the decline of smoking, that should be a signal.
他还说,肥胖扩散与烟民减少之间出现的相同效应已传递出了一个信号。
He warned MPs that "at some point, we will need to move our focus away from limiting the spread of a localised virus, towards mitigating the effects of a widespread virus".
他还警告议员们“到某个时候,我们必须将重心从防止病毒扩散转移到减轻扩散病毒致病严重程度上。”
With salt under attack for its ill effects on the nation's health, the food giant Cargill kicked off a campaign last November to spread its own message.
由于食盐因为其对全国人民健康的不良影响而受到攻击,食品业巨头嘉吉公司(Cargill)去年11月开始了一项营销活动来传播它自己的广告词。
The challenges of psychology will spread around the world as the financial and economic effects spread.
这些反应都很自然,与我们在发达国家所见所闻完全相同。随着金融和经济效应不断蔓延,市场心理的挑战也将向全球蔓延。
Those include the side-effects, the potential spread of resistance - which could make the drug ineffective - and black market resale of the drug.
这些包括毒副作用,抵抗力潜在传播(会使药物无效)以及黑市再售药品。
The effects of the quake and tsunami spread far beyond Japan.
而地震和海啸的影响传播远远超出日本。
But such optimism about the short-term economic effects depends, in part, on the assumption that the further spread of unrest is now contained.
但是,围绕短期经济影响的乐观情绪,在一定程度上取决于一个假设,即这场动荡的进一步蔓延已得到遏制。
But when the system was infected with toxic assets, the effects spread everywhere and fast.
但是当这个体系中出现问题资产,其危害会迅速蔓延至各个领域。
Good reputation and after-sales services have won one spread hundred effects. ALBERO furniture - make you think of!
良好的信誉及到位的售后服务赢得了一传十,十传百的效应。
It also introduce the causing of shock wave in the water and the gas, and its spread in blasting hole, as well as its reflection and transmission and effects of rock.
就水和空气不偶合装药爆破冲击波的产生,及在炮孔内介质中的传播、反射和透射以及对周围岩石的作用过程都进行了详细的介绍。
Just as we have spoken of a series of potential reactions, so have these resolutions begun a sequence that can have wide spread and unforeseen effects.
正当我们谈及一系列潜在反应的同时,这些解决方式已经开始一系列的广泛扩散及不可预见的影响。
That could produce a severe disruption of the upper atmosphere at one location that may produce effects that spread rapidly around the Earth for years.
那可能造成对某个区域的高空大气的严重扰动,该扰动会产生在全球迅速扩散并持续数年的影响。
Effects of solid surface radiation heat losses on the flame spread characteristics are studied at different ambient oxygen concentrations and ambient pressures.
着重研究了表面辐射热损失、环境压力对火焰传播特性的影响。
Effects of solid surface radiation heat losses on the flame spread characteristics are studied at different ambient oxygen concentrations and ambient pressures.
着重研究了表面辐射热损失、环境压力对火焰传播特性的影响。
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