Compared with the original two kinds of Phase-Difference Correction, only one sequence of time-domain signal is sampled and FFT analysis of same points is performed twice in this method.
与原两种相位差法相比，这种方法只采一段时域信号，且进行两次相同点数的FFT分析。
Relations between differential pressure signal and two-phase flow parameters are studied in the dissertation.
研究了差压波动信号与两相流系统参数之间的关系。
Flow regime identification in horizontal gas- liquid two- phase flow using differential pressure signal is investigated in this paper.
本文利用差压波动信号对水平管气液两相流流型辨识问题进行了研究。
This paper discusses the two channels output inconsistency of phase detector affecting the signal detection.
讨论了相位检波器两路输出不一致对信号检测的影响。
Two kinds of signal processing methods for heterodyne interferometer, phase locked frequency demodulation and combinatorial frequency demodulation are presented in this paper.
介绍了两种激光外差干涉信号的处理方法锁相频率解调法及组合频率解调法。
A new kind of binary phase codes two frequency cascade PN intercepted codes (TFCPIC) is presented, and its signal processing is also discussed in detail.
本文提出了一种新的二相编码波形-双频级联pn截断码，并对其信号处理作了详细讨论。
The frequency and amplitude and phase of discrete spectral lines can be calculated through two DFT analyses one after another, which is one complex time domain signal analysis virtually.
相继两次DFT分析（实为一次复时域信号分析）可精确确定诸分立谱线的频率、幅度与相位。
There are three branch circuits for phase signal. Two branches are completely similar to process phase signals respectively from right and left sensors on primary instrument.
信号预处理系统对原始的相位信号和温度信号进行预处理，使之适合数字电路作进一步的处理。
The third branch processes phase signal to make it precede the arrival of the other two ones. The function is to warn MCU of the arrival of right and left phase signals.
两路相位信号（来自一次仪表的左右传感器）的处理电路完全一样，此外还必须引出相位超前的第三路相位信号，其作用在于提醒MCU相位信号即将到达。
Based on the characteristics of telemetric phase sensitive signal, two practical demodulation schemes are introduced.
根据遥测相敏信号特点，介绍两款实用解调方案。
With same input signal to excite two systems, the results show that the power spectral density of the output can't identify non-minimum phase signal.
用相同的激励信号作用，结果显示，功率谱密度无法分辨非最小相位信号。
We present a method for preserving time-invariant phase relationships, through introduce a third signal as a reference, when ratios are taken between two complex signals that are harmonically related.
本文阐述了在任意两个复信号谐波相关情况下，通过引入第三个复信号作为参考，使得在计算复信号比值时能保持时不变相位的计算方法。
Barker code signal, one of the two-phase code signal, is used widely in PD radar.
巴克码信号是二相编码信号的一种，在PD雷达中得到了广泛应用。
The phase and amplitude weighting of the phased array acoustic logging transmitter can be controlled by the two kinds of exciting signal sources.
利用这两种信号源可以对相控线阵声波辐射器进行相位和幅度加权控制。
Mainly carried out by FFT spectrum analysis is analysis of the phase and amplitude of the signal is divided into two categories show more intuitive to understand.
主要进行的逻辑分析是FFT分析，把信号分为相位和幅值两类显示，更加直观明了。
This controller's input signal is the voltage phase Angle difference between two areas obtained by PMU, which can effectively reflect the inter-area low frequency oscillation characteristics.
该控制器以PM U得到的区域间电压相角差信号作为输入信号，能够直接有效地反映区域间低频振荡特性。
Based on DDS technique, the signal generator can create two signals, i. e. the sinewave and the square wave signals, and its amplitude, frequency and phase can be continuously adjusted.
采用直接数字合成（DDS）技术构建双路正弦波及同步方波发生器，实现幅值、频率、相位等连续调节；
Studies on flow regime identification of two phase flow according pressure fluctuation signal in recent years have been reviewed.
介绍了近年来通过压力（压差）波动过程实现气（汽）液两相流流型识别的最新研究成果。
We have mainly researched two FM signal demodulation techniques called Frequency Spectrum Separation and Phase Lock Loop in the first part.
一次解调中研究了频谱分离法和锁相法两种实现鉴频的技术。
The main works are listed as follows:1) Based on higher-order statistics technique, a new method for differential pressure fluctuation signal analysis of gas-liquid two-phase flow is proposed.
基于高阶统计量技术，提出了一种气液两相流差压波动信号分析的新方法。
The sensor's signal is decomposed to two signals by circuit of 90 degree move-phase and two circuits of phase-sensitive detecting rectification.
通过90度移相电路和两路相敏检波电路实现了对探头信号进行二维提取。
The maintenance locking cocurrent control voltage provides by the discriminator, therefore between the discriminator two input signal leaves leeway certain phase difference.
维持锁定的直流控制电压由鉴相器提供，因此鉴相器的两个输入信号间留有一定的相位差。
The key circuit design includes a sample-and-hold gain circuit using switched-capacitor to sample or hold the signal and a preamplifier-latch comparator using two-phase clock.
在电路设计中主要包括开关电容采样的全差分运放组成的采保增益电路和两相时钟控制的带预放大器的锁存比较器。
The key circuit design includes a sample-and-hold gain circuit using switched-capacitor to sample or hold the signal and a preamplifier-latch comparator using two-phase clock.
在电路设计中主要包括开关电容采样的全差分运放组成的采保增益电路和两相时钟控制的带预放大器的锁存比较器。
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