CAJ | 학술논문

提出一种基于宽频带大功率基阵激励的LED驱动电路放大器设计方法。利用知识库中的信息对输入信息进行LED驱动电路激励放大器微弱信号特征检测，如果规则匹配输出LED驱动电路激励放大器微弱信号特征，设计一种开关电容高通滤波器，得到电源供电输入调谐回路信号，输入端周期性地发送超过信道脉冲响应长度的数据训练序列，进行BPSK调频信号调制，跟踪信道变化，对宽带LED驱动功率基阵激励放大器的调频信号进行时延扩展与信道特性测量，得到了强噪声干扰条件下时延扩展与信道特性测量模型，以此适应信道的随机变化。系统测试结果表明，能有效提高LED驱动电路的功率放大性能，提高信号频谱的增益，LED功率放大的非线性失真得到有效抑制，功率放大空间增益提高。
제출일충기우관빈대대공솔기진격려적LED구동전로방대기설계방법。이용지식고중적신식대수입신식진행LED구동전로격려방대기미약신호특정검측，여과규칙필배수출LED구동전로격려방대기미약신호특정，설계일충개관전용고통려파기，득도전원공전수입조해회로신호，수입단주기성지발송초과신도맥충향응장도적수거훈련서렬，진행BPSK조빈신호조제，근종신도변화，대관대LED구동공솔기진격려방대기적조빈신호진행시연확전여신도특성측량，득도료강조성간우조건하시연확전여신도특성측량모형，이차괄응신도적수궤변화。계통측시결과표명，능유효제고LED구동전로적공솔방대성능，제고신호빈보적증익，LED공솔방대적비선성실진득도유효억제，공솔방대공간증익제고。
A wide band high power array excitation drive circuit amplifier design method is proposed based on LED. The in?put information of LED driver circuit driver amplifier characteristics of weak signal detection by using the information in a knowledge base, if the rule matching output LED drive circuit driver amplifier in weak signal feature, design of a switched capacitor high pass filter, get the power supply input tuning circuit signal input end periodically send over the length of the training sequence data channel impulse in response, BPSK FM, track channel change, frequency modulation signal of broadband LED power amplifier array excitation by measuring the delay spread and channel characteristics, lower delay spread and channel characteristics of the measurement model of strong noise conditions are obtained, which adapt to the random change of channel. System test results show that the LED drive circuit can effectively improve the power amplifica?tion performance, improve the frequency spectrum of the signal gain, nonlinear LED power amplifier distortion can be effec?tively suppressed, power amplifier to improve spatial gain.