ID 原文 译文
12734 首先，在直流偏置线中加入谐波调谐功能，避免单独设计谐波控制电路。 Firstly, the DC bas line with harmonc tuning was equipped in the harmonc control circuits, thus simplifying the complexity of the harmonc control crcuts.
12735 其次，为满足F类和F-1类功放在器件本征漏极端所需的阻抗状态，匹配寄生参数呈现的封装端谐波阻抗，采用一段L型传输线结构代替传统的L-C集总元件寄生补偿方法。 Then, an L-type transmsson lne crcut was adopted to replace the tradJ- tonal L-C lumped components, which matched the harmonic impedances presented by the parastcs, thus the class-F or class-F-1 harmonc Jmpedance condtons at the intrinsic dran of transstor can be realzed.
12736 最后，由两段串联的传输线实现最优基波阻抗与50 〇负载间的匹配.为验证方法的有效性,采用 CGH40010 氮化镓高电子迁移率晶体管(Galiium nitride high electron mobility transistor，GaN HEMT)器件，设计并加工了两款工作在2.4 GHz的F类和F-1类功放。 Finally, two series transmission iines transformed the optimum fundamenta l impedance into 50 〇 load.
12737 测试结果显示：F类功放的峰值功率附加效率 (power added efficiency，PAE)为 75. 5%,饱和输出功率为 40. 8 dBm；F-1 类功放的峰值 PAE 为 77. 6%,饱 和输出功率为40.3 dBm。 For demonstration, the class-F PA and class F-1 PA using the CGH40010 GaN HEMT device are des i gned and fabrcated, whch operatng at 2.4GHz.Measurement results showthat the peak power added effcency (PAE) of the class-F PA reaches 75. 5% , the corresponding output power is 40. 8 dBm； the peak PAE of the class-F-1 PA is 77. 6% , and the corresponding output power is 40. 3 dBm.
12738 该方法降低了电路复杂度和设计难度，可以较容易地补偿晶体管寄生参数，功放在高频工作时的效率得到提升，为利用GaN HEMT器件设计高效功放提供了一种可行的方案。 The proposed method is implifies the complexity of the PA circuit, can easily compensate the parasitics of transistor, and provides a feasible solution for designing high efficiency PAs using GaN HEMT active devices.
12739 为更好地掌握热带海洋区域无线电信号的衰落特性，采集了南海区域5个频率、25个位置点的电磁信号变化特性，利用Kolmogoro v-Smirnov检验方法，分析了此区域无线信道的衰落分布情况，并利用最小二乘法建立了归一化幅值包络的数学模型。 In order to better grasp the fading characteristics of radio signals in tropical ocean regions, we collected the data of electromagnetic signal characteristics at 25 positions in the South China Sea. This data is covering the frequency of 99 MHz, 160 MHz, 600 MHz, 830 MHz and 1 000 MHz. The fading distributions of the channel in above region are evaluatng through Kolmogorov-Smrnov statstical method. And the mathematcal model of normalzed amplitude envelope is establshed by least squares method.
12740 分析结果表明：1)热带海洋区域中，以 Gauss 和 Rice 分 布为主；2)天线极化方式和频率对衰落分布类型影响不大；3) 99 MHz、160 MHz、600 MHz、S30 MHz、1 000 MHz的衰减模型归一化信号包络幅值的均值必和标准差分别为徊9=0. 531 1、g9 = 0. 265 1 /160 = 0. 545 2、ひ160 = 0. 275 4 /600 = 0. 523 S、。600 = 0. 2 8 0 9 /830 = 0. 5 4 6 1、從，0 = 0. 2 7 5 5 , /1〇〇〇 = 0. 534 7、。1000 = 0. 276 6。 The analyzed results show that: 1) there are mainly Gauss and Rice distributions in this research region; 2) the poarization type and signa frequency have litte impact on the fading distribution types; 3) the mean of normaiized ampiitude in the above five frequencies are 0. 531 1, 0. 545 2, 0. 523 8, 0. 546 1, 0. 534 7 respectively, and the standard devation of that Js 0.265 1 , 0.275 4 , 0.280 9 , 0.275 5 , 0.276 6 respectively.
12741 本文研究为南海区域无线信道本地化建模研究提供了技术支持。 The above research results provide technical support for localzation modeling of wireless channels in the South China Sea.
12742 提出了一种新型多层周期性透射阵(transmission array, TA )单元，该单元由对称C形缝隙结构组成，具有$ — 503。一167。％的透射相位范围，在Ku频段具有相似的相位曲线且透射相位的线性度较好。 In this paper, a novel unit cell of multi-layers transmission array (TA) is proposed. The unit cell is composed of C-shaped slot structure. After the simulation, the unit cell achieves a phase shift change of [-503° -167。] and get a good phase curve in Ku band.
12743 根据相位补偿理论，基于此单元设计了一款TA天线，并对其进行了仿真。 Based on the phase compensation thee- ry, a TAJs designed wth the rectangular horn antenna as the source.