The calibration of antenna system can be carried out using a calibration hung under a balloon, and the calibration of the receiver can be carried out using a standard signal generator.
天馈系统的标定可利用气球放飞的定标球，接收机的标定可利用标准信号源。
Standard signal generator (Figure 1 standard signal generator diagram) of the output signal level accurate readings, the increase in the rate of transfer or shift can also read the meter.
标准信号发生器(图1标准信号发生器框图)的输出信号电平能准确读数，所加的调幅度或频偏也能用电表读出。
This paper gives a detailed analysis of the principle of the phase lock circuit, one of the most important parts of the QF1052B Standard Signal Generator and provides some methods of checking it.
本文详细分析了QF1052B型标准信号发生器锁相环部分的基本组成及其工作原理，并提出了对此部分电路的检测方法。
The principle, construction and features of a new type of standard image signal generator are described.
本文介绍了一种标准图像信号发生器的原理、结构和特点。
A standard impulse signal generator with high stability is an important equipment for routine test and calibration of digital recorders for measurement in high-voltage impulse tests.
高稳定标准冲击信号发生器是高电压脉冲数字化量测误差校验的必备设备之一。
A standard impulse signal generator with high stability is an important equipment for routine test and calibration of digital recorders for measurement in high-voltage impulse tests.
高稳定标准冲击信号发生器是高电压脉冲数字化量测误差校验的必备设备之一。
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