本文叙述了长延时锁相环的研制情况和实验设备,同时也给出了通过“交响乐”卫星的现场试验结果。
In this paper we introduce the developmental phase and experimental equipments of long time delay phase-locked loop and also give the field test results via the satellite "Symphonic".
延时,脓肿周围低密度水肿环可强化为等密度,或脓肿内部强化,病变范围缩小,液化坏死区更显明显。
Delayed scan, the hypodense edema ring enhanced and became isodense, or the abscess enhanced diffusely, the lesions became smaller and the colliquative necrosis area more obvious.
通过仿真和测试分析了调制方波的周期、相位、占空比、光纤环的群延时以及放大电路的增益带宽对陀螺输出偏置的影响。
The effects of the square wave cycle, phase, duty cycle and the fiber coil group delay and amplifier gain bandwidth on the bias error of closed-loop FOG were analyzed by simulating and testing.
载波跟踪环用于对接收信号的载波频率进行精确跟踪,而码跟踪环是用于实现伪随机码延时的精确对准。
The former is used to achieve the fine estimation of the carrier frequency while the later is used to achieve the fine estimation of the code delay of the PRN code.
基于非相关早减迟延时锁定环和反正切载波跟踪环,得出了由一般形式的误差解析表达式导出的码相和载波相位跟踪误差曲线。
Based on noncoherent DLL and arctan carrier PLL, the curves of tracking errors in general forms are given after a series of computing and simulation.
该电路设计是基于延时锁定环(dll)原理上,采用混合信号电路设计方案来实现。
The circuit design is based on the principle of the tradition DLL in mixed-mode.
该电路设计是基于延时锁定环(dll)原理上,采用混合信号电路设计方案来实现。
The circuit design is based on the principle of the tradition DLL in mixed-mode.
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