Aim:To investigate the change of ERK,GDNF expression activity in temple and frontal lobe of AD rat after 96 dB wide band noise exposure.
目的 :观察大鼠AD模型颞叶和额叶在 98dB宽频噪音暴露 5min前后不同脑区ERK、GDNF表达及ABR阈值的影响。
Some realization ways of measurement are discussed,including the maximum output power,output amplitude and noise bandwidth.
讨论了低频噪声源的最大输出功率、噪声输出幅度以及噪声带宽测试的实现途径。
The use of digital rating loop in Doppler radar always comes down to adjusting the noise bandwidth.
本文针对噪声带宽对测速系统指标的影响 ,对测速环路的噪声带宽选择作了详细的理论分析。
Through methods of noise bandwidth and simulation, comparisons have been made between traditional supply chain and information sharing supply chain, the effect of parameters of the logistics lead times and the exponential smoothing forecast on the bullwhip effect have been analyzed.
分别利用噪声带宽和Matlab／Simulink对一个可扩展多主体线性供应链系统的牛鞭效应进行了建模与仿真研究,分析了实施信息共享前后供应链系统的牛鞭效应,探讨了物流延迟时间参数和指数平滑预测参数对牛鞭效应的影响,并给出了减弱牛鞭效应影响的相应策略。
To understand the flow noise generation mechanism of pump jet propulsor,this paper calculates the flow field of a torpedo pump jet propulsor,analyzes the field structure,and then calculates its broadband noise with Proudman theory.
对鱼雷的泵喷流场进行了计算,并对流场结构作了分析,然后采用Proudman理论计算了泵喷的宽带噪声,结果表明,主要噪声源区域与流场特征相一致,由此表明,流场的涡旋脉动是噪声产生的主要因素,在此基础上提出了控制泵喷流噪声的途径。
Effect evaluation and simulation of wide-band noise interference on civil GPS receiver;
GPS接收机宽带噪声干扰性能分析与仿真
Equivalent Noise Bandwidth of the Electro Hydraulic Servo System and Analysis of Its Accuracy
电-液伺服系统的等效噪声带宽及其精度分析
internal-noise bandwidth
内噪声[固有噪声]带宽
A Wideband Low Noise Amplifier Using Noise-Canceling Technique
一种基于噪声抵消技术的宽带低噪声放大器
Noise Characteristics Simulation of Microwave Broad Band Matrix Amplifiers
微波宽带矩阵放大器的噪声特性模拟
Noise figures of cascaded two-port networks with unequal bandwidth
不等带宽两端口网络级联的噪声系数
The Design of 1.8GHz Low-Noise Wide-Band VCO;
1.8GHz低噪声、宽带LC压控振荡器
Study of Ultra Wide Band Low Noise Amplifier with CMOS Process;
超宽带CMOS低噪声放大器的研究
Research of RF Broadband LNA Based on SiGe BiCMOS Process;
SiGe BiCMOS射频宽带低噪声放大器技术研究
Design and Implementation of Microwave Broadband and Low Noise Amplifier;
微波宽带低噪声放大器的设计与实现
Design of an Ultra-wideband LNA in 0.5～3.3GHz
0.5～3.3GHz超宽带低噪声放大器设计
Millimeter Wave Large Dynamic Wide Band Monolithic Low Noise Amplifier
毫米波大动态宽带单片低噪声放大器
Method of wideband active noise jamming signal generation based on OFDM
一种基于OFDM的宽带有源噪声干扰方式
Simulation and Design of a Broadband Low Noise Amplifier Based on Simulation Software ADS
基于ADS仿真的宽带低噪声放大器设计
Design of a 3～10 GHz Ultra-Wideband Low Noise Amplifier Based on SiGe HBTs
3～10GHz SiGe HBTs超宽带低噪声放大器的设计
Design of LC VCO with Freguency within 2.2～5.5 GHz and Lower Phase Noise
一种2.2～5.5G宽带低相位噪声LC VCO设计
The Design of CMOS Low Noise Wide Band-width Fully Differential Operational Amplifier;
CMOS低噪声宽带宽全差分运算放大器设计
The Extra Insertion Loss of Active Noise Barrier with Multiple-frequency Components;
有源声屏障对宽频带白噪声的新增插入损失
A CMOS LNA with Noise Cancellation for UWB Receivers;
基于噪声消除技术的超宽带CMOS低噪声放大器的研究与设计
