Lower dimensional AFH models show some novel properties such as quasi-long-range-order, spin gap, quantum phase transition, etc.
由于低维体系中有很强的量子涨落,使这些体系呈现出许多新奇的特性,如会有自旋准长程序、自旋能隙、量子相变等现象。
There are three versions of the Bluetooth protocol running in devices currently on the market -- Version 1.1, 1.2 AFH, and 2.0+EDR.
目前市场上设备中运行的蓝牙协议有三个版本 —— 分别是版本 1.1、1.2AFH和 2.0+EDR。
Purpose To study the clinical and pathologic features of angiofollicular lymphonode hyperplasia (AFH). Method Report two cases of this lesion.
目的:研究颌面颈部血管滤泡性淋巴组织增生的临床表现、病理形态特征。
Considering the need of anti-jamming and secrecy in military wireless communication, model of adaptive frequency-hopping (AFH) system is given.
针对军事无线通信抗干扰和保密性需求,给出了自适应跳频通信系统模型。
Partial-band noise jamming and multi-tone jamming are two worse cases jamming for conventional FH, and the AFH can approve the performance of AH for anti-jamming.
部分频带噪声干扰和多音干扰对常规跳频通信系统危害较大,自适应跳频系统能够改善跳频通信系统的抗干扰性能。
Link quality analysis (LQA) is a key measurement process in adaptive frequency hopping (AFH) communication systems and results in adaptive frequency and power control.
信道质量评估是自适应跳频通信的关键技术,其实时评估结果为自适应频率控制和自适应功率控制提供依据。
Link quality analysis (LQA) is a key measurement process in adaptive frequency hopping (AFH) communication systems and results in adaptive frequency and power control.
信道质量评估是自适应跳频通信的关键技术,其实时评估结果为自适应频率控制和自适应功率控制提供依据。
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