“调制域”是由信号的频率和时间两个轴构成的平面域。
"Modulation domain" is a plane domain which is consisted of frequency and time signal axes.
基于调制域分析,设计了电子产品频率调制参数测试方法。
Based on modulation domain analysis, a frequency modulation parameter testing method is proposed.
调制域及脉冲分析仪利用时间和频率构成的平面域对信号进行分析。
Modulation Domain and Pulse Analyzer(MDPA) analyzes signal using a plane domain which is consisted of frequency and time.
调制域与脉冲分析仪既是调制域分析的利器,也是脉冲分析的有效工具。
Modulation Domain and Pulse Analyzer (MDPA) is a powerful instrument for modulation domain analysis, also it is a useful tool for time interval measurement.
调制域为人们打开了分析复杂调制信号的新视角,开辟了测量技术的新天地。
Modulation domain provides insight to complex modulated signals and opens a new field of measurement technology.
对调制域测量技术作了简要介绍,探讨了调制域分析仪在复杂信号频率测量分析上的一些应用。
The modulation domain measurement technique is presented simply. The application of modulation domain analyzer in the complicated signal frequency measurement analysis is probed.
介绍了调制域分析技术的原理,重点介绍基于FPGA的零空闲(ZDT)计数和测量补偿技术。
It introduces the project and key technology of modulation domain analysis, emphasis on the ZDT counter and the error compensation circuit based on FPGA.
调制域分析已经成为现代测试技术不可或缺的部分,在显现频率变化信号时优于时域测量和频域测量。
Modulation domain analysis has become an important part for modern measurement technology. It is better than time domain and frequency domain measurement when indicating frequency variable signal.
介绍了时域频率稳定性常用的测量方法,并重点介绍了利用调制域分析仪实现时域频率稳定性的测量方法。
This paper indicates the normal testing methods of time domain frequency stability, and focal points out the testing methods of time domain frequency stability with modulation domain analysis.
编码后经过BPSK调制,采用对数域的BP译码算法进行解码。
It is modulated by BPSK after coding. And BP decoding algorithm is used.
该算法从变换域提取全部特征参数,采用决策理论算法,实现调制类型的自动识别。
Based on the characteristic parameters extracted from transform domains, the automatic modulation recognition has been realized by employing decision theory.
该方法通过对截获的雷达发射信号在慢时间域进行正弦相位调制,得到了等效微动点的回波信号。
In this method, the echo of the synthesized equivalent micro-motion point is obtained by modulating the phase of intercepted radar signal with sinusoid in the slow time.
提出了一种将正交调制LFM信号产生系统的幅相误差映射到基带后,在数字域利用复系数FIR滤波器进行校正的方案。
The errors are classified according to their frequency. The amplitude and phase errors of the LFM signal generators using quadrature modulation technology are mapped into baseband.
提出三种新的利用空间光调制器(SLM)实现的动态范围扩展方法:时间域slm多次曝光,空间域光强编码调制,自适应PID反馈控制。
Three new dynamic range extend methods with spatial light modulator (SLM) are proposed: temporal SLM multi-exposure method, spatial light encoding method and self-adaptive PID feedback control method.
利用该成像系统分别进行了时间域多次曝光,空间域光强编码调制,自适应PID反馈控制三种动态范围扩展实验。
Three dynamic range extending experiments are performed with this system: temporal SLM multi-exposure method, spatial light encoding method and self-adaptive PID feedback control method.
然后采用正交数字上变频(DUC)技术进行基带信号数字域调制和频率变换。
Then, a solution based on Digital Up Converter(DUC) was proposed, which implemented the conversion of a complex digital baseband signal to a real passband signal.
然后采用正交数字上变频(DUC)技术进行基带信号数字域调制和频率变换。
Then, a solution based on Digital Up Converter(DUC) was proposed, which implemented the conversion of a complex digital baseband signal to a real passband signal.
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