broadband noise
英 [ˈbrɔːdbænd nɔɪz]
美 [ˈbrɔːdbænd nɔɪz]
网络 宽频噪声; 宽频噪音; 宽带噪声; 宽波段噪音; 宽频杂讯
双语例句
- Digital hardware implementation of broadband noise FM signal generator system
宽带噪声调频信号产生系统的数字化硬件实现 - Installed near building exits or along egress routes, the compact speaker produces broadband noise to lead people toward exits.
安装在大楼出口附近或出口通道，这款小型扬声器能发出宽带噪声引导人们走向出口。 - An S-band broadband low noise amplifier ( LNA) design is introduced.
设计了一个S频段宽带低噪声放大器。 - In our daily conversation and speech communication system, the additive broadband noise has badly impact on the qualification and the intelligibility of the speech.
在我们的日常交流和语音通信系统中，加性宽带噪声严重影响了语音质量和可懂度。 - Objective: This study investigated and compared the effects of tone burst in three different conditions ( linear gated tone burst, linear gated tone burst in broadband noise masking and Blackman gated tone burst) on the frequency specificity of ABR.
目的：观察比较线性窗短纯音、加宽频带噪声掩蔽的线性窗短纯音及Blackman窗门控短纯音对听性脑干反应（ABR）频率特异性的影响。 - The simulation result shows that the new algorithm can restrain the broadband noise, narrowband noise and multi-path interfere.
仿真结果证明该算法同时对宽带噪声、窄带噪声和多径干扰具有较强的抑制能力。 - This paper reports the design and fabrication of a 8 ￣ 12GHz broadband low noise PHEMT MMIC.
描述了以PHEMT为有源器件的8～12GHz宽带低噪声单片电路的设计及制造，获得了满意的结果。 - According to mechanism of low frequency broadband noise of the propeller, theoretical analysis method is given and numerical calculation of the noise is worked out as well.
在分析螺旋桨低频宽带噪声成因的基础上得到了理论计算方法，并作了数值计算。 - Adaptive active broadband noise control
自适应宽带有源消声 - This paper discusses detection of weak coherent frequency signal buried in both pickup and broadband noise using the double lock-in method.
为此，本文试图探究在宽带噪声和干扰同时存在的情况下，采用双锁定放大器来提取深埋于干扰和宽带噪声中的微弱信号的方法。 - This paper introduces a digital noise generating system. It can generate three kinds of jamming noise such as broadband noise, pectinate noise and noise of concave frequency.
文中介绍了一种基于数字技术的噪声产生系统，能够产生宽带干扰噪声、梳状波干扰噪声和频率凹波干扰噪声三种噪声形式。 - Studies on the Blade Tail Edge Vortex Shedding Broadband Noise Calculation Model of Axial Flow Fan
轴流叶轮尾涡脱落宽频噪声计算模型研究 - Experimental Study of Adaptive Active Control in Low-frequency Broadband Noise in a Duct
管道低频宽带噪声自适应有源控制的实验研究 - Based on the structure of the lower voltage distribution networks in our country, the broadband noise, the attenuation characteristics, the high frequency channel model and the channel capacity are intensively studied in this paper.
本论文针对我国低压配电网的实际结构，对低压配电网噪声特性、衰减特性、高频信道模型以及信道容量进行了较深入的研究。 - A comparison of hearing threshold shift between humans and guinea pigs after broadband noise exposure
宽带噪声暴露后人与豚鼠听阈偏移的比较 - Three methods for predicting sound noise ( direct method, acoustic analogy, broadband noise source model) were introduced and compared. According to the introduction above, the selected methods in this thesis were reasonable.
给出了噪声预测的三种方法，即：直接法、声模拟法和宽频带噪声源模型法，分析与比较了各自的适用条件，为选择合理的汽车风噪声计算方法提供了依据。 - The low frequency discrete noise of the propeller is due to the interaction between blades of the propeller and wake of the ship, and the low frequency broadband noise of the propeller is produced by the interaction of blades and turbulent field of the ship stem.
螺旋桨的低频离散谱噪声是由船尾伴流场和叶片的相互作用引起的，而低频宽带噪声是由船尾粘性湍流场和叶片的相互作用产生的。 - Hearing Threshold Shift and Recovery Characteristics in Guinea Pigs Under a 60-Day Exposure to Three Moderate Levels of Broadband Noise
在三种中等强度噪声下暴露60天豚鼠的听阈偏移及其恢复特征 - Broadband noise prediction of an airfoil or hydrofoil based on a frequency-domain formulation
翼型体广谱声的频域预报方法 - And the low-frequency broadband noise of the propeller is produced by the interaction between the blades and stern turbulence field.
由螺旋桨叶片和艉部湍流场相互作用产生了螺旋桨低频宽带噪声。 - Finally, it is proved that under broadband noise the PSR system could transmit quaternary baseband PAM signal effectively.
结果表明，在宽带噪声干扰下，通过随机共振接收器来传输四进制PAM信号是可以得到满足要求的误码率的。 - Broadband noise source model based on the SST turbulence model is used in the numerical simulation of the aerodynamic-induced noise distributions around the Pearl River Tower.
采用基于SST湍流模型的宽频带噪声源模型得到了珠江城商务写字楼风洞口周围的噪声分布。 - So, the microwave broadband low noise amplifier has got great development.
因此微波宽带低噪声放大器技术得到迅猛发展。 - The result shows that due to strong interaction between impeller and volute, for the noise arose by the dipole source, the discrete noise are dominant and certain broadband noise could be found.
结果表明，由于旋转叶轮和静止的蜗壳存在着很强的动静干涉，各个工况下偶极子声源所产生的噪声主要以离散噪声为主，同时含有一定的宽频成分。 - Broadband noise and total sound pressure level of outdoor units is predicted by vortex shedding noise prediction model based on three-dimensional steady CFD simulation.
基于三维定常数值模拟的涡脱落噪声预测模型，计算得到空调室外机的宽频噪声及噪声总声压级。 - Adaptive FX-LMS algorithm is used in this system. Then the single channel system is simulated by using software MATLAB. The simulation results indicate that the system has a good control effect for harmonic noise and broadband noise.
在系统中采用自适应FX-LMS算法，并用MATLAB对单通道系统进行仿真，仿真结果表明其对于单频噪声和窄带噪声都有着很好的控制效果。 - Noise spectrum of outdoor units is composed of broadband and discrete frequency noise. Effect of broadband noise is crucial and discrete frequency noise is located at Blade Passing Frequency ( BPF) and its harmonics.
室外机噪声频谱由宽频和离散频率噪声组成，宽频噪声起主导作用，离散频率噪声峰值在叶片通过频率及其谐波处。 - In the pretreatment process of denoising, wavelet denoising removes broadband noise effectively.
在预处理过程中采用小波去噪，有效地去除了宽频噪声。