based on gauss-innovations model and snr limit, we obtain the pairwise error probability of system adopting differential unitary space-time modulation which is validated through our simulation results. 3.

1、

aiming at the performance characteristics of mb-ofdm uwb, the formula for coding gain and diversity gain is worked out based on pairwise error probability of theoretical analyzing system.

针对MB-OFDM UWB系统的性能特征，基于理论分析系统的成对错误概率，获知编码增益和分集增益的计算公式，从而得到空时频编码方案的设计准则。

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2、

analysis of the pairwise error probability over the correlated shadowed rice fading channel

相关的阴影Rice衰落信道中成对错误概率分析

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3、

by analyzing the pairwise error probability ( pep), we prove that the dsf ofdm system can achieve full diversity gain and maximum coding gains over frequency selective fading channel by choosing optimum rotation matrix.

成对错误概率分析表明：在频率选择性信道中，通过选择最佳的旋转矩阵，这种DSF OFDM系统能实现满分集增益和最大的编码增益。

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4、

the spectral efficiency and pairwise error probability ( pep) is also considered.

随后讨论了该方案的频谱利用率和成对错误概率（PEP）。

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5、

target used in skeet or trapshooting.

双向飞碟或飞靶射击中使用的靶子。

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6、

a surface roughness tester for measuring the inside curved face of aneroid battery shell, including its principle, make up, key design technologies, evaluation parameters and so on, is introduced.

介绍了电池壳体内曲面表面粗糙度测量系统的原理、结构、关键设计技术、评定参数等。

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7、

surface roughness tester for measuring inside curved face of aneroid battery shell

电池壳体内曲面表面粗糙度测量系统

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8、

through gas examination experiment and well head effused gas correction experiment, this paper constructs a correlation relation of gas logging whole hydrocarbon examination in different drilling fluid systems and determines the correction factor of the influence of drilling fluid viscosity change on gas examination.

通过开展不同钻井液条件下的气体检测实验、井口逸散气校正实验，建立了不同钻井液体系条件下的气测全烃检测对比关系，确定了钻井液粘度变化对气体检测影响校正系数；

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9、

physical properties of lava, flow rate of magma as it effuses from the underground and its surrounding environmental factors, play the important roles in learning the transportation and cooling of lava flow and dynamical mechanics.

熔浆的物理性质、岩浆从地下流出的速率及影响其变化的环境因素是研究熔岩流的运移和冷却及其动力学机制的重要方面。

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10、

restoration of lead and zinc mine tailings in south china effect of different amendments on the growth and heavy metals accumulation of juncus effuses grown on the soil polluted by lead/ zinc mine tailings

华南铅锌尾矿生态恢复的理论与实践不同改良剂对铅锌尾矿污染土壤中灯心草生长及重金属积累特性的影响

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11、

the anticyclone in high yield effuses in about the 150 hpa-100 hpa layer, and the outflow mostly appears in the north half-round of tc.

高层反气旋流出在150~100hPa层附近，流出主要位于TC北半圆。

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12、

the calculations show that equilibrium distribution of the molecules in the source of molecular ray is not influenced as only a few molecules effuse from an enough small hole.

研究表明，在小孔足够小时，少量分子的逸出对分子射线源中气体分子平衡分布的影响几乎可以忽略。

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13、

the town effuse warmth and hospitality.

这市镇洋溢着人情味和好客精神。

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14、

the result shows that the conductivity of the samples is closely coupled to the amount of effused oxygen molecules.

结果表明La2CuO（4+δ）试样的电导率与其所逸出的氧分子数密切相关。

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15、

study to delimit and express gas ranks of mine with gas effusing equivalent velocity

用瓦斯涌出当量速度划分矿井瓦斯等级的研究

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16、

forecast of the gas effused from the face in protective seam

保护层开采工作面瓦斯涌出量预测

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17、

research on the rule of gas effusing during air reversing in well

矿井反风期间瓦斯涌出规律研究

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18、

folding camera ( with bellows)

光折合式照相机（带折箱）

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19、

folding camera ( with bellows) experiment of a one-dimensional photonic crystal of photorefractive including positive-negative refractive index

光折合式照相机（带折箱）一维光折变光子晶体正负折射率的实验实现

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20、

long-term observation of prefabricated urethra with buccal mucosa in expanded capsule

口腔黏膜在扩张器包膜内预制尿道的远期观察

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