查询词典 ergodic

In terms of subshifts of finite type determined by an irreducible marrix, affine maps of compacted connected metric abelian group and continuous maps of tree, the two concepts of topologically ergodic map and topologically transitive map are identical.

指出对于由不可约方阵所决定的符号空间有限型子转移而言，或紧致交换群的仿射变换及树上连续自映射而言，拓扑遍历与拓扑可迁这两个概念是一致的。

Under the assumption that the channel state information was available only at the receiver,the capacity of MIMO systems in Rayleigh fading channel was investigated on the basis of information theory. Three special expressions for the MIMO capacity over ergodic flat fading channel were derived.An asymptotic formula for MIMO systems with equal number of transmit and receive antennas in small SNR was also given. Simulation results show that this approximation is relatively accurate.

以信息论的观点为基础，在假设信道状态信息仅收端已知的情况下，采用等功率发射方案，研究了瑞利衰落信道下MIMO系统各态历经信道容量，推导了三种特殊MIMO信道的各态历经信道容量表达式，以及在小信噪比下等收发天线MIMO系统的容量近似公式，并通过仿真进行了验证，仿真结果表明该近似公式比较精确。

Khasminskii ([19]) studied the ergodic properties of recurrent diffusion processes on aσ-compact complete metric space.

Khasminskii([19])研究了σ-紧完备距离空间上常返扩散过程的遍历性。

Stationary process: spectral decomposition of covariance function, spectral decomposition of stationary process, linear time invariant system, ergodic theorem, sampling theorem.

平稳过程：协方差函数的谱分解，平稳过程的谱分解，线性时不变系统，遍历定理，采样定理。

Then I make the simulations on the ergodic and outage capacity in many cases, on the influence of the k-factor on ergodic capacity, and on the cumulative distribution function of the information rate of a flat fading MIMO channel in water-pouring cases. Then I make analysis of all the simulation results.

对MIMO的各态历经信道容量和中断信道容量在多种情况下行了研究和仿真；对瑞利K因素对信道的影响和注水情况下MIMO平坦衰落情况下的信息速率的累积分部函数作了仿真，并对仿真结果进行了详细的分析。

A new ergodic capacity formula is derived which can be expressed as a double integral.

为此推导了一个新的遍历容量公式，该公式可表示为一个二重积分。

In the low temperature these polymers usuallywill undergo a glassy transition from an ergodic state to a non-ergodic(or non-equilibrium)state.

这类材料在低温下一般会发生由各态历经态到非各态历经态的玻璃化相变。

In this paper, it is proved that the polar signal obtained from the symbolization of an ergodic random signal is stationary and that the autocorrelation function of the polar signal is ergodic.

本文证明了各态历经的随机信号经符号化处理后，得到的极性信号是干稳的，极性相关函数是各态历经的。

Obtain the necessary and sufficient conditions of ergodic and exponentially ergodic properties for the population process.

给出了人口过程遍历性与指数遍历性的充分必要条件。

We shall use the results in [2] to study the properties of topologically ergodic maps and topologically double ergodic maps.

本文在[2]的基础上进一步讨论拓扑遍历与拓扑双重遍历映射的性质。

Cynanchum Lingtai apricot production in the average weight 65 grams, the brightly-colored fruit, juicy rich, sweet-sour taste, sweet from the nucleolus, when the late Qing Dynasty famous Shaanxi, Gansu provinces, the Qing imperial court Tongzhi tribute for years.

灵台生产的牛心杏平均单果重65克，果实色泽鲜艳，汁多味浓，甜酸适口，离核仁甜，清末时就驰名陕、甘两省，清同治年间曾为朝廷贡品。

Chenopodium album,Solanum nigrum, and Amaranthus retroflexus were very susceptible to the herbicides. Polygonum persicaria and Abutilon theophrasti were relatively less susceptible to the herbicides, and Lycopersicon esculentum was not susceptible to it. The relationship between reduction rates of weed biomass and PPM values of weed leaves 2,4, and 6 days after treatment was established.

供试的6种杂草对该混剂的敏感性存在显著差异：红心藜Chenopodium album、龙葵Solanum nigrum和反枝苋Amaranthus retroflexus对该混剂最敏感，ED90值分别为47.65、71.67和29.17g/hm2；春蓼Polygonum persicaria和苘麻Abutilon theophrasti敏感，ED90值分别为96.91、114.20g/hm2；而番茄不敏感。