ID 原文 译文
24365 该结构在 1~3.5 GHz 频带内，明显改善了渐变槽天线的端射特性。 From 1 GHz to 3.5 GHz, those structures improve the end-fire characteristics of the antenna obviously.
24366 天线样机测试结果表明，该天线在 1~3.5 GHz 内，驻波系数小于 2，增益约为 7 dBi。 Finally, pairs of antennas are constructed and measured. The measured results show that VSWR is smaller than 2 and the gain is approximately equal to 7 dBi from 1 GHz to 3.5 GHz.
24367 天线的群时延相对平坦，时域波形振铃较小，可以应用于脉冲体制雷达。 The measured transfer characteristics results show that the antenna achieves a stable group delay and a low late-time ring. The antenna can be applied to the impulse radar.
24368 该文针对乳腺 X 线图像病变的多视图检测与分析问题，建立了一种基于乳房生理特征的多视图坐标系。 A breast coordinate system based on physiological features is developed for multi-view analysis in mammograms.
24369 通过轴位、中侧斜位视图图像中的乳头、胸肌典型生理特征的提取，以及乳房边缘的椭圆拟合，建立乳腺 X 线图像多视图分析坐标系，可将乳腺 X 线图像双侧四视图经非线性映射至同一坐标框架内。 It is constructed according to the locations of nipple, pectoral muscle and the fitted breast boundary. The breast regions in mammograms are mapped into a parameter frame because of the coordinate system.
24370 以北京大学人民医院乳腺中心提供的图像库为实验数据，从生理特征定位精度、兴趣区域匹配精度等多方面进行坐标系匹配准确度的测试与验证，结果表明该坐标系有助于乳腺 X 线图像，特别是致密型图像的多视图病变检测。 Experiments are implemented on data set of Breast Cancer of Peking University People's Hospital. The performance of locating the physiological features and matching the regions of interest is evaluated. Results show that the proposed coordinate system could achieve favorable performance and facilitate the multi-view analysis in mammograms.
24371 为实现减小数字电路的供电电压来降低其能量消耗的目的，该文提出基于脉冲跨周期调制(PSM)的 DC- DC 变换器自适应电压调节(AVS)技术。 In order to decrease energy consumption of digital circuits by reducing the supply voltage, an Adaptive Voltage Scaling (AVS) for DC-DC converter based on Pulse Skip Modulation (PSM) is proposed.
24372 AVS 技术通过追踪和探测关键路径复制(CPR)的延迟时间自适应地调节数字电路的供电电压。 The AVS technique can scale supply voltage adaptively by probing and tracking the Critical Path Replica (CPR) delay time.
24373 同时，具有自适应占空比的 PSM 调制模式(APSM)被用来改善轻负载下变换器输出电压的纹波和效率。 To improve the output voltage ripple and efficiency of converter especially in light load, the PSM with Adaptive ratio duty (APSM) also is used.
24374 实验结果显示，当负载工作频率在 30~150 MHz 范围内变化时，输出电压在 0.6~1.5 V 之间稳定输出。 The experimental results show that the output voltage is well regulated from 0.6~1.5 V when the operation frequency of load varies within the range of 30~150 MHz.