single-frequency noise

Manual Noise Radar System With Time-Division Single Channel

时分单通道人工噪声雷达系统

With the whole new method, simple calculation instead of the traditional measures which used to design low noise single-stage negative feedback amplifier, the relations among the transistor data, feedback effect, noise factor, as well as singal resistance are studied.

本文一改过去负反馈低噪声放大器的设计步骤，采用全新的方法&方框图法，确定了负反馈电路中晶体管参数，反馈深度、噪声系数、信号源内阻和工作频率之间的关系。

The Influence of ECG Data Collecting Noise on the Inverse Dipole ( Single Dipole ECG Model )

心电数据采集噪声对反转电偶矩的影响 ( 单偶极子ECG模型 )

Under the assumption that the electron beam is single-velocity and one-dimensional, the transmission equation of space charge wave set up in the conical electron beam is derived and the process of noise impedance transformation is obtained.

在单速、一维假定下，推导了球形收敛电子注上的空间电荷波传播方程和噪声阻抗的变换过程。

The interior environment quality includes factors like interior air quality, comfortable degree, noise, social psychological stress, social work pressure, workplace background etc., which affect people physiologically and mentally in a single or a Comprehensive way.

室内环境品质是指室内空气品质、舒适度、噪声、照明、社会心理压力、工作压力、工作区背景等因素对室内人员生理和心理上的单独和综合作用。

Basse on the concept of active noise control, a simplified model of active noise control with intelligent laminate Structures is presented, Experiment is carried out with single and multi freguency disturbances.

根据噪声主动控制原理，建立了压电智能层合结构噪声主动控制模型，在隔声箱内部激励分别单频、多频情况下，进行了噪声控制实验研究。

The Polarization of Reflected Light and Refracted Light and the Amount of the Polarization; Effects of time period modulation of the noise correlation intensity and bias signal modulation of the noise on stochastic resonance of a single-mode laser

反射光及折射光的偏振状态和偏振度偏置信号调制下噪声关联的周期调制对单模激光随机共振的影响

In order to suppress environmental and sensor noise, we use floating and single points filter.

为了抑制传感器和环境噪声，进行悬空点滤除和单点滤除。

The sequential controller, which has four operation modes such as single selection, odd number, even number, and all selection, can be used for single pulse CARS test, realizing time-resolved spectrum, reducing noise and improving signal-to-noise ratio of CARS system.

可以选择采集同步发射的激光信号。其有单选、奇数、偶数、全选四种工作模式，可应用于单脉冲CARS实验，实现时间分辨光谱，同时还可以降低噪音，提高信噪比。

Compared with improvement situation both time domain waveform and Cagniard resistivity-phase curve, analyzed de-noising effect of measuring point including comparative single noise.

对比了时间域波形和卡尼亚电阻率-相位测深曲线的改善情况，分析了该方法对包含比较单一的噪声干扰测点的去噪效果。