Operating in bad environments and wide band conditions, the amplitude and phase of monopulse sum and difference channels may drift severely.
工作在宽频及恶劣环境条件下的单脉冲雷达，和差通道的幅度和相位会发生严重漂移。
To design and manufacture a constant-source with adjustable amplitude value and the test system, and to realize the examination of zener diode voltage drift parameter, is very important.
设计制作出一个幅值可调的恒流源及其测试系统，实现稳压二极管电压漂移参数的检测，至关重要。
Results: after treatment, all patients amplitude obviously decreased blood glucose drift, with significant difference (P < 0.05), and dyslipidemia obviously improved.
结果：治疗后所有患者血糖漂移幅度明显下降，具有显著性差异（P<0.05），同时血脂异常得到了明显改善。
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