ID 原文 译文
12694 根据振荡器调谐范围，设计了一个宽带谐振器用于对待测物进行近场感测，通过放置不同介电常数的物体于其顶端表面，再通过探测器读出输出电压,与未放置物体时探测器的输出电压的差值即为该传感器的响应。 Accordi ng to the tuni ng range of the oscllator, a wdeband resonator s desgned for near-feld sens ng of the object.After placng objects wth dfferent delectrc permttvty on the top surface of the resonator, we connect the resonator to a detector to acheve a voltage output sgnal. The difference of this voltage and the voltage wthout an object on the resonatoks surface is the response of the sensor.
12695 此单片集成的传感器可以在单片上实现太赫兹照明、探测、传感以及成像功能，在未来太赫兹近场成像领域有较强的应用潜力。 This monolithically integrated sensor has huge potental n the future of terahertz near-feld magng.
12696 为了实现对三维空间中任意期望方向的物理层安全通信，提出了一种基于均匀圆阵的方向调制发射机系统模型，使用迫零波束形成发射有用信号的同时用零空间映射法发射随机的人工噪声干扰非期望方向。 To achieve the physical layer security communication towards any desired direction in 3D space, a directional modulation transmitter model based on unHorm circular array is proposed. Zerc-forcing beamformng and null space projecton are used for useful signals and artfical nose (AN) transmsson.
12697 针对当前对毫米波信号小尺度衰落刻画较好的波动双径（fluctuating two-ray, FQR）衰落信道,推导了本文模型的平均安全容量（average secrecy capacity, ASC）下界、安全中断概率（secrecy outage probability, SOP）上界的闭合表达式，对比了系统安全性能关于信噪比的变化曲线。 Closed-form expressions of lower bound for average secrecy capacty(ASC) and upper bound for secrecy outage possibility(SOP) under fluctuatng two-ray (FTR) fadng channel are derved. Curves of system security performance against signal-to-noise ratio (SNR) are contrasted.
12698 仿真结果表明，阵元数为64, 信噪比为10 dB，圆阵方向调制在期望方向可以无失真地恢复信号，非期望方向误差向量幅度(error vector magnitude, EVM)高达100%，误比特率高于40%。 Computer simulations show that the proposed drectonal modulaton acheves undstorted modulated signal Jn desred drecton for crcular array with 64 elements and SNR with 10 dB, as well as that the error vector magnitudes(EVM) are up to 100% and BERs are higher than 40% in most undesired directions.
12699 本文方法能在三维空间实现无需密钥的定向安全传输，提高信噪比可改善其在FTR衰落信道下的安全性能。 Our method can realize secure transmission in 3D space without encrypton and ts security performance can be improved by larger SNR under FTR fa- dng channel.
12700 由于无网格(grid-less)稀疏重构方法的波达方向(direction of arrival, DOA)估计数学模型为单快拍形式,因此该方法只有在噪声电平趋近于零时才具有优越的性能。 Because the directon oH arrval (DOA) estJmaton mathematcal model oH the grd-less sparse reconstructon method Js Jn the Horm oH sJngle snapshot !the method has superor perHormance only when the noise level approaches zero.
12701 为了提高grd-less方法在信噪比 (signal-to-noise ratio, SNR)较低时宽带相干信源的估计性能，提出了一种多快拍grid-less DOA估计方法。 In order to improve the performance of the grid-less method when the signa to noise ratio (SNR) is (ow!a muti-snapshots grid-(ess DOA estimation method is proposed.
12702 首先，对多快拍阵列观测矢量实施奇异值分解(singular value decomposition, SVD)获得观测矩阵的时域信号子空间，通过观测矩阵到时域信号子空间的投影实现观测矩阵的降噪。 First, we perform singular value decomposition (SVD) to get the time-domain signa! subspace of the observaton matrix and achieve noise reducton of the observation matrix by projecton from the observation matrix to the time-domain signal subspace.
12703 然后，为了不增加多快拍计算复杂度，将降噪后观测矩阵的列向量加权累加处理得到单快拍形式。 Then, in order not to ncrease the computatonal complexty of multJ-snapshot !the column vectors of the observaton matr x are weghted and accumulated to obtan the single snapshot form.