1、

The authors use the linear combination of step-like signal and ramp signal to finish the time-frequency domain transformations and the spectrum error is eliminated.

本文对准阶跃信号与截尾斜波信号线性组合后的信号进行时频变换,能有效地消除该频谱误差。

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2、

Secondly, the cyclostationary property of output signal is discussed, when a stationary ( or cyclostationary) signal passes a linear period time-varying ( or time invariant) system.

其次,研究了平稳(或循环平稳)随机信号通过线性时不变(或周期时变)系统后输出信号的循环平稳性质。

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3、

The hardware of the tester is composed of FPGA chip by Xilinx, high-speed AD converters by Linear Technology, LED display, SD memory card, and condenser microphone, which complete noise signal acquisition, data display and save.

测试仪硬件由Xilinx公司的FPGA芯片、Linear Technology公司的高速AD转换器、LED显示屏、SD存储卡、电容式传声器组成,完成噪声信号的采集、数据的显示和保存。

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4、

Because of its many outstanding advantages such as low linear distortion, no crosstalk, high fidelity and high signal to noise ratio, and its ability to support stereo broadcast and multicast, FM radio gains rapid development.

其中,调频广播因为线性失真小,无串扰,高保真度和信噪比,支持立体声广播、多路广播等众多突出优点,获得了长足的发展。

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5、

The linear and nonlinear responses of OAs under the drive of different signal levels are considered.

考虑了在不同信号激励下运放所呈现的线性和非线性响应;

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6、

For a linear array CCD in a push-bloom imaging system, on condition that the input signal is a sine pattern with single frequency, the output signal spectrum is analysed.

假定输入为单频正弦光栅,对刷扫工作状态下线列CCD输出信号的频谱进行了分析。

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7、

And the detection on binary aperiodic signals based on the piecewise linear model, we found that through an appropriate adjustment to the noise intensity and system parameters, there is an optimum value can be achieved for non-periodic signal detection.

对含噪声二进制非周期信号进行检测,发现适当调节噪声强度和系统参数,同样存在一个最佳值可以实现对非周期信号的检测。

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8、

Four types of linear phase FIR filters are introduced at first, then of this basis a notch filter for processing ECG signal is designed by using multiple exchange algorithm.

首先介绍了线性相位FIR滤波器的四种情况,然后在此基础上设计了一种应用多重交换算法来处理心电信号的陷波滤波器。

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9、

By using spatial directional information contained in combined-sensor, the Coherent Interference Energy Suppress ( CIES for short) technology, which can effectively suppress coherent inference and detect linear spectrum signal and wide-band continuous-spectrum signal as well, is presented.

本文利用组合传感器本身所蕴含的空间方位信息,提出了相干干扰合成能量流抑制(CIES)技术,实现了对相干干扰的有效抑制,具备了良好的线谱信号和宽带连续谱信号检测能力。

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10、

Signal flow diagram has been used widely in problems of linear system.

信号流图在线性系统的求解中得到了广泛的应用。

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11、

Theoretical study of frequency chirping of wavelength-converted signal by cross-phase modulation using linear optical amplifier

基于线性光放大器的交叉相位调制波长转换啁啾特性研究

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12、

The engineering signal flow graph calculation for the linear operational amplifier network

运放网络传递函数的工程信号流图算法

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13、

In the part of video signal processing, the design is realized in the methods of analog to digital conversion, linear encoding and serialization.

在视频信号处理部分,主要是通过模数转换、线路编码和并串转换来实现的。

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14、

New Algorithm of Pitch Detection of Speech Signal Based on Linear Prediction and Wavelet Transform

基于线性预测和小波变换的语音基音周期检测新算法

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15、

Notice that the correlation time of leak signal and noise is different, we propose using the linear prediction based on noise whitening criterion and the method of self adapting noise cancel to divide signal and noise.

该方法利用泄漏信号与干扰噪声在相关时间上的不同将二者分开,通过基于噪声白化准则(EWC)的线性预测(LP),和自适应噪声抵消(ANC)来实现。

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16、

On the basis of one-knob linear regression analysis, the unified adjusting of CO_2 welding current target signal and welding voltage target signal has been realized by using hardware circuit, and welding voltage target signal can be fine adjusted.

在一元线性回归分析的基础上,应用硬件电路实现了CO2焊接电流目标信号与焊接电压目标信号的一元化调节,并且具有焊接电压目标信号的微调功能。

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17、

using the small-signal dispersion equation and backward-wave linear gain to analyze the absolute instability.

从回旋行波管的小信号色散方程和返波线性增益出发,对绝对不稳定性进行了理论分析。

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18、

Objective; To compare the dependence of signal attenuation on temperature and time caused by the diffusion movements in inhomogeneous and linear gradient magnetic field.

目的:比较非理想均匀磁场和线性梯度磁场中扩散运动引起的信号衰减对温度、时间的依赖性。

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19、

Focus on the identification algorithm for linear FM signal modulation characteristics.

重点讨论了针对线性调频信号的调制特征识别算法。

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20、

A linear relationship between the current signal and the logarithm of the target concentration up to 500 nM was obtained, with a detection limit of 0.3 nM.

而且,在一定范围内,电流信号与目标物浓度的对数呈线性关系,目标物浓度可达500nM,检测下限为0.3nM。

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