While looking out for a gravitational wave signal, scientists at GEO600 noticed something bizarre.
在寻找重力波信号的过程中,GEO600的科学家们发现了一些奇异现象。
A new method to produce high-linear, low-spurious and wide-band LFM radar wave signal is proposed.
研究了一种高线性度、低杂散宽带LF M雷达波形信号的实现方法。
This in turn would give LIGO scientists an extra clue as to where to search their data for a gravity wave signal.
这反过来给LIGO的科学家提供了一条在哪寻找引力波信号的新线索。
This paper studies choose method and recover method of non-nyquist sampling on some extent modulate wave signal.
本文对几种幅度调制波信号的欠采样频率的选择方法及恢复方法进行了研究。
With circular antennas accepting the Ultrashort wave signal, by MUSIC arithmetic to measure direction information.
超短波信号用圆形天线阵接收,采用MUSIC算法检测方位信息。
On this basis, realizing low delay square wave signal output by Switching two different amplitude DC signals with SPDT;
在此基础上,通过采用单刀双掷电子开关切换两路幅值不同的直流量实现低时延方波信号输出;
The static parameters of ADC were extracted from the histogram of ADC's out codes, which stimulated with triangle-wave signal.
该方法利用三角波信号作为测试激励,采用码密度直方图分析方法快速计算ADC的各静态参数。
The transmitting and receiving unit (5) converts a reception wave signal from a network into a reception analog baseband signal.
发射和接收单元(5)将来自网络的接收波信号转换为接收模拟基带信号。
The static parameters of ADC were extracted from the histogram of ADCs out codes, which was stimulated with triangle-wave signal.
该方法利用三角波信号作为测试激励,采用码密度直方图分析方法快速计算ADC的各静态参数。
In the platform, the short wave signal is digitalized in the radio frequency band and converted into the analytical baseband signal.
在这个平台上对短波信号射频数字化,然后进行数字变频,获得宽带基带解析信号。
Validity and feasibility of the finite difference time domain method is demonstrated by the echo-wave signal of a flat bottom hole block.
通过与平底孔试块实际缺陷回波信号的对比,验证了脉冲超声波有限差分法模拟计算的有效性和正确性。
The other types of statics are utilized for signal compensation in evaluating the difference among the source, receiver imaging and wave signal.
其他类型的静校正手段用以在估算震源和接收器成像和波信号差异中进行信号补偿。
It is more difficult to estimate and separate LFM as a result of the appearance of multi-object and the applying of Multi-LFM radar wave signal.
从回波信号中进行多目标信号分离和提取始终是防撞雷达的一个关键技术难点。
The square wave signal can make the piezoelectric actuator gain a higher amplitude than with a sine wave, triangular wave, or toothed wave signal.
比较不同驱动信号的驱动效果,发现方波输入能使驱动器获得最大的振幅。
Pulse width Modulation device is a circuit which can produce square wave signal with fixed period and adjustable pulse duration ratio (pulse width).
脉宽调制器是一种能够产生周期固定而占空比(脉宽)可调的方波信号的电路。
The transmitting and receiving unit (5) converts the transmission analog baseband signal into a transmission modulation wave signal to output to the network.
发射和接收单元(5)将发射模拟基带信号转换为发射调制波信号,以输出到网络。
The results showed that when different wavelet functions were used to analyze the same pressure wave signal, the differences could be found between each other.
研究结果表明:选用不同的小波函数对同一压力波信号进行时频特性分析时,得出的结果是有差别的。
According to the signal can be divided into sine wave signal, function (wave) signals, pulse signals and random signal generator, and other four major categories.
按信号波形可分为正弦信号、函数(波形)信号、脉冲信号和随机信号发生器等四大类。
The key point to realize protective relaying and the fault location based on travelling wave is how to correctly distinguish and detect the travelling wave signal.
正确识别和检测线路故障后的行波信号是实现行波保护和故障测距的关键。
The paper introduces the hardware and software in detail. The feasibility and veracity of this system are tested by collecting and analyzing rectangle wave signal.
文章详细介绍了系统的硬件结构和软件设计,通过对标准方波信号的实验分析,验证了系统的可行性和正确性。
The second, we summarize the optical heterodyning modulation technology, and calculate the spectrum of optical mm-wave signal generated by this modulation technology.
②总结了光外差调制技术,理论推导了利用光外差调制技术产生的光载毫米波信号的频谱结构。
A new signal pre-processing method of pulse wave based on mathematical morphology theory is presented according to the difficulties of pulse wave signal pre-processing.
针对脉搏波信号处理的难点,提出了一种基于数学形态学的脉搏波信号预处理方法,并分析了脉搏波信号特征及数学形态原理。
The consistency of the frequency interpretation of reflected wave signal with the transient mechanic impedance method is illustrated with practical engineering examples.
说明了反射波信号的频率解释和瞬态机械阻抗法的一致性并均以工程实例加以佐证。
The simulation experiments shows that chaotic detection system is very sensitive to square wave signal and have strong restrain ability to any colored noise with zero mean.
分析了噪声对混沌检测的影响,仿真实验表明该混沌检测系统对方波信号非常敏感,对任何零均值色噪声均具有极强的抑制能力。
The differences between the ambiguity function of STMFCW signal and single slope linear frequency modulation continuous wave signal and pulse LFM signal are also discussed.
阐明了它与单斜率线性调频连续波信号和脉冲LFM信号模糊函数的区别;
In this paper, six wavelet functions were selected for the analysis of time-frequency characteristics of the pressure wave signal in fuel injection system of a diesel engine.
通过选用六种不同的小波函数,对柴油机喷油系统压力波信号的时频特性进行了小波分析研究。
It introduces the method of wavelet transformation applied in the acoustic wave signal processing and how to use this method to implement the function of filtering the waves.
讨论了在声波信号处理中所使用的小波变换方法,以及用这种方法所实现的滤波功能。
Reflected wave signal is processed by double channels two-order low-pass active filtering in hardware, and indicator diagram signal is processed by digital filtering in software.
液面反射波信号主要在硬件方面采用双通道二阶有源低通滤波,功图信号则在软件方面采用数字滤波算法。
How to analyse the measured stress wave signal for an oil leakage monitoring system to get the features and the modes of man made leakages is the key problem for accurate detection.
在输油管道漏油监测系统中,如何将测量到的应力波信号进行处理,对人为打孔漏油的信号特征和模式进行识别,是决定检测准确度的关键。
How to analyse the measured stress wave signal for an oil leakage monitoring system to get the features and the modes of man made leakages is the key problem for accurate detection.
在输油管道漏油监测系统中,如何将测量到的应力波信号进行处理,对人为打孔漏油的信号特征和模式进行识别,是决定检测准确度的关键。
应用推荐