网络释义 1. 相位噪声测试系统 海底声学原位测试系统,... ... ) in situ acoustic experiment 声学原位测试 )phase noise measurement system相位噪声测试系统... www.dictall.com|基于3个网页 2. 相位噪声标准装置 什么意思_英语phase... ...PHASE NOISE MEASUREMENT SYSTEM相位噪声标准装置phase place measuremen...
A phase noise control apparatus to analyze the presence of a phase noise in a radar control signal. It uses a delay circuit selector using a fiber optic cable and a laser light modulated by the test signal. Describes both direct and indirect modulation techniques, along with techniques for ...
Better Ways to Measure Phase Noise The SSA-X family of signal source analyzers and their unmatched capabilities are inspiring engineers to make the switch. The SSA-X not only measures very low phase noise and residual noise up to 54 GHz, but it also shortens measurement time. It can even ...
1) phase noise measurement system 相位噪声测试系统1. The comparison method in phase noise measurement system is introduced by means of the advanced way in interlaboratory comparison and proficiency testing. 通过采用国际上先进的实验室比对和能力验证方法,提出了相位噪声测试系统的比对方案。
1. An embedded phase noise measurement system comprising: an analog delay line comprising a plurality of cascaded active amplifier stages; an analog phase shifter; and a mixer for comparing phase information of signals output from the analog delay line and the analog phase shifter and outputting a...
Every phase noise measurement system which is based on frequency demodulator transforms frequency noise (FM) into proportional noise voltage waveform. After spectral analysis of the output noise voltage, the spectral density of frequency fluctuations S,f [HzHz] or other quantities are calculated. At ...
A phase noise measurement module (PNMM), system and method for measuring phase noise improve accuracy of phase noise measurements of a signal under test (SUT) using a spectrum analyzer. The PNMM includes an RF to hF frequency converter and a selectable frequency divider. The system includes ...
Phase Noise Measurement Methods and Techniques Presented by: Kay Gheen, Agilent Technologies © 2012 Agilent Technologies Aerospace & Defense Symposium 2 © 2012 Agilent Technologies Aerospace & Defense Symposium Introduction Extracting electronic signals from noise is a challenge for most ...
A simple and high-sensitivity frequency-discriminator-based phase noise measurement system using photonic time delay and digital phase demodulation is comprehensively investigated and experimentally demonstrated. By applying a low-loss optical fiber to provide a large amount of time delay, high phase noise...
phase noise from the measurement, providing a residual noise measurement. The drawback of the measurements is that additional DACs are required in the test setup. However, the benefit is a much better indicator of the DAC phase noise contribution that can be applied in...