Reflection signals and high velocity noise change in amplitude and waveform with increasing offset between source and receiver.
反射信号和高速干扰的振幅和波形随着炮检距的增大而变化。
The SPRD will automatically open as the air pressure in the duct system increases, in order to prevent the reduction of air flow and excessive noise and velocity through the duct system.
当管道系统空气压力增加时，SPRD会自动开启，以防止管道系统中空气流动的减少和过度噪音和速度。
The preconditions to make best use of the Doppler radar data includes the noise removing, velocity ambiguity distinguishing, horizontal wind field retrieving and exactness verifying.
消除噪音和速度模糊、进行水平风场的反演并检验是正确使用和充分利用多普勒雷达探测资料的前提。
The probability density function of velocity response of oleo damper excited by exponential colored Gaussian noise has been obtained.
从而导出了油液阻尼器受指数型高斯色噪声外激励时的速度响应的概率密度函数。
It obtains low average mean squared error (MSE), fast convergence velocity and decreases the noise sensitivity at the same time.
该方法计算简单、均方误差小、收敛速度快，并且降低了算法对噪声的敏感性。
Variable size of measurement matrix is set up to increase operation velocity and attenuate noise in processing.
在滤波处理时，设置可变的测量矩阵，其目的在于提高运算速度和抑制噪声干扰。
A new method of low intensity radiated noise measurement is shown using acoustic combined sensor and combined signal processing with pressure and particle velocity.
本文研究运用组合传感器和声压、振速联合信号处理技术进行低噪声通过特性的测量。
Because velocity of flow reduces when the pressure pulse reduces, the noise of impulsion and the noise of vortex increase a little.
因为压力脉动减小导致流速增加，从而使冲击噪声和涡流噪声略有增加。
The gain limitation of particle velocity and acoustic energy flux in the sea surface noise field and half-isotropic noise field is discussed based on orientation-exponent theoretic.
从指向性指数出发分别推导了海面噪声场条件下和半各向同性噪声场条件下质点振速检测器增益和声能流检测器增益的理论极限。
It is essential to develop a system for measuring the operation parameters of an elevator such as acceleration, velocity, vibration, noise expediently and accurately.
因此，开发一套电梯综合测试系统，为电梯测试提供更方便、快捷、准确的仪器，对电梯加速度、速度、振动、噪声等参数进行测量是必要的。
The noise power, sound intensity, sound presure, vibration velocity and corresponding frequency spectrum of JHC6400 rear axle surface were measured and analysed.
本文对JHC6400型汽车后桥的噪声功率、表面声强、表面声压、表面振速及相应的频谱等进行了全面、系统的测量与分析。
Through processing sound pressure combine with particle velocity, the information of underwater target radiation noise field is entirely used.
通过声压与振速的联合信号处理，充分利用水下目标辐射噪声场的信息。
Considering the properties of low stack folds, shallow objected layers and big background noise of shallow seismic data, the parameters selection for velocity analysis is studied in the paper.
针对浅层地震资料目的层较浅、叠加次数少和城市背景干扰大等特点，文中对速度分析的参数选取问题进行了研究。
The influence of wind velocity on noise measurement of sound level has been introduced and the permitted wind velocity has been determined.
介绍了风速对噪声声级测量的影响，确定了噪声测量的风速允许值。
The spatial coherences between the sound pressure and the three orthogonal components of the particle velocity in underwater ambient noise were investigated.
研究海洋环境噪声场中声压和质点振速的三个正交分量间的空间相干。
In order to research the affection of ship's radiate noise on sonar detecting range, this paper simulates the ship's velocity by Monte Carlo method.
为了研究目标舰船辐射噪声对声纳作用距离产生的影响，用蒙特卡洛方法对目标航速进行模拟。
In addition, the pressure and velocity in cooling fan flow field are analyzed and the relations between flow rate, rotation speed, blade number and aerodynamic noise of cooling fan are studied.
同时，对风扇流场的压力和速度进行分析；研究了风扇流量、风扇转速、扇叶数和气动噪声相互之间的关系。
The flow noise transit time estimation is given on the basis of mathematics model and linear neural networks, then the flow velocity of gas-solid two phase flow is measured.
并以此为基础通过线性神经网络测量流动噪声的渡越时间，进而测出流速。
A concept and a numerical formula of flowing velocity on many blades are presented to discuss noise in the discrete frequency.
为了讨论离散性频率噪声，本文提出了多叶叶道流速激发的概念和计算公式。
There are many factors influencing the indoor environment quality, but hot and wet environment, interior air quality, interior wind velocity and interior noise has close relation to HVAC.
室内环境品质的影响因素很多，而与暖通空调关系最为密切的有热湿环境、室内空气品质、室内风速以及室内噪声因素。
Introduces indoor air quality and noise level as integrated parameters along with air temperature, relative humidity, air velocity and mean radiant temperature.
引入室内空气质量和噪声，结合温度、相对湿度、风速和平均辐射温度作为室内环境综合评价参数。
As a perfect vehicle on land, high Speed Maglev vehicle (HSMV) is characterized by high velocity, less energy consuming, lower noise, safety and comfort etc.
高速磁悬浮列车具有速度快、能耗低、噪音小、安全舒适等优点，是一种非常理想的陆路高速交通工具。
Under the impact of a large hammer, a high signal noise ratio of the force and velocity can be acquired in the high-strain dynamic testing.
高应变动力试桩法采用数吨重锤锤击，同时实测了桩顶的力信号和速度信号，具有很高的信噪比。
Therefore, moveout transform filtering method in T-X domain was adopted, which linearized the curved coherent noise in T-X domain, and remove noise by the contrast of apparent velocity.
为此，采用T-X域时差变换滤波技术，即在T-X域内将曲线型相干噪声线性化，通过视速度差异去除噪声，从而达到压噪目的。
Combining the concentration modulation spectroscopy with velocity modulation spectroscopy, the dependence of the signal to noise ratio on the modulation depth and various other factors are obtained.
将浓度调制光谱与速度调制光谱相结合得到了速度调制光谱调制度与各因素的关系。
To enhance noise reduction and to improve flow resistance always attend to one thing and lose another in the case of designing silencer for low frequencies noise with high velocity flows.
对需要控制低频噪声的高速气流场合应用消声器，消声量和系统的阻力损失经常成为顾此失彼的二难选择。
The careful specialized design and the world-famous brand module's perfect union, enables the equipment to have characteristics and so on high velocity, low noise, low energy consumption.
精心的专业设计与世界名牌组件的完美结合，使设备具有高速度、低噪音、低能耗等特点。
Passive bearings-only target motion analysis (BO-TMA) is to estimate the position and velocity of a target from bearing measurements with corrupted noise obtained by an observation platform.
被动式纯方位目标运动分析(BO - TMA)是一种从探测器所观测到的加噪方位信息中估计目标运动要素的方法。
It has a very good effect for muting the coherent noise with low apparent velocity. The trial computation results for synthetic and practical data show that the algorithm can simultaneously...
合成数据及实际资料的试算结果表明，该算法在去除随机噪声的同时，能很好的去除较低视速度的相干噪声。
Numerical tests suggest that the method has the capability of resolving low-velocity layers, thin alternating high and low velocity layers, and noise suppression.
数值试验表明，该算法具有分辨壳内低速层、高低速薄互层结构和一定的抗噪能力。
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