This is especially true in smaller rooms where a poor low frequency response is the main problem. 尤其是在较小的房间,一个贫穷的低频响应的主要问题。
Wharfedale's MX Series passive subwoofers are ideal for adding massive low end to the MX Series two-way loudspeakers – or any existing sound system in need of extended low frequency response. 乐富豪的MX系列无源低音炮非常适合加入大量低端的MX系列双向扬声器-或任何现有的扩展低频响应需要健全的制度。
Very little effort has been devoted to the experimental measurement of low frequency combustion response. 在低频燃烧响应的试验测定方面只做了很少的工作。
As this accelerometer is aiming to detect gravity gradient signal with low frequency in space, its response to lower frequency excitation is of special interests in here. 由于此类加速度计是用于测量空间重力梯度这类慢变信号的,因此还重点分析在低频信号输入时的系统响应特征。
The KM-4 is a dynamic kick drum microphone with a neodymium capsule designed to provide a deep and powerful low frequency response. 知识管理-4是一个动态的踢鼓旨在提供一个深刻而有力的低频响应一钕胶囊麦克风。
In PCM/ FM telemetry system, modulation module can be implemented by digital method based on software radio. Compared with analog technology, digital technology can improve the low frequency response of PLL-FM circuit. PCM/FM是遥测中常用的一种体制,文章基于软件无线电技术,采用数字化方法设计实现PCM/FM调制。
It is demonstrated that direct drive electro-hydraulic servo system can replace the traditional electro-hydraulic servo system in the low frequency response. 结果表明,在频响不高的场合直驱式电液伺服装置完全可替代传统的电液伺服装置。
To explain the peaks observed in the low frequency range of the modulation response of the integrated light sources, we measured the relative intensity noise spectra of the DFB LD and the modulation response of the EA modulator at different reverse biases. 针对在DFB-LD/EA集成光源小信号调制响应曲线低频段观察到的异常起伏,测量了DFB-LD的强度噪声谱,比较了不同反向偏压下EA调制器的调制响应。
The low voltage impulse method, frequency response analysis method and short-circuit reactance method, which can be used to measure and diagnose the deformation of power transformer winding, are introduced in the paper. 目前,监测变压器绕组变形的方法主要有低压脉冲分析法(LVI),频率响应分析法(FRA)和阻抗分析法。
There are two methods of detecting the winding deformation faults in power transformer, the Low Voltage Impulse method ( LVI) and the Frequency Response Analysis method ( FRA). 检测变压器绕组变形的方法,国际上较早提出的是低压脉冲法(LVI),其后有频率响应分析法(FRA)。
Robustness analysis for low frequency response in a room with optimized walls 墙截面优化声学小房间低频响应的鲁棒性分析
Effect of Extremely Low Frequency Magnetic Field on Brain Response during Mental 极低频磁场刺激对心算脑反应的影响
A Study on the Low Frequency Ground Response Induced by Metro Train and Corresponding Vibration Reduction Measures 地铁列车引起的低频地表响应及减振措施研究
By the analysis of the system character simulation using Matlab we can know that the micro-accelerometer system is a low pass system and it has linear phase characteristic approximately in the low frequency band ( the accelerometer response frequency band). 该微加速度计系统的性能用Matlab进行了仿真实验,结果表明:该微加速度计系统是一个低通系统,且在低频段(加速度计的响应频段)具有近似的线性相位;
According the insufficient of frequency response device measure the low sensitivity, we propose measure the frequency response by the method of impact frequency response. 本文针对现在频响装置测量低灵敏度的不足,提出用冲击频响法来测量频响。
The ring array has the advantages of low frequency, wide band, high transmission response and a large working depth. 该圆环阵具有低频、宽带、高发送电压响应和大工作深度等优点。
Effects of installations on the low frequency vibration response of specimens in acoustic fatigue tests 声疲劳试验装置对试件低频振动响应的影响
In the mid and low frequency stage, the values of earthquake acceleration response spectrum for roadbed with frozen soil are larger than that without frozen soil when input is El Centro wave. 当输入高频Elcentro波时,在中、低频段,含冻土层路基的地震加速度反应谱较不含冻土层路基的地震加速度反应谱大;
This technique is of low device switching frequency, fast dynamic response and balanced switching load. 这种技术的器件开关频率低,动态响应好,开关负荷均衡;
Research on compensation of low frequency response of piezoelectric dynamic strain measurement system 压电式动态应变测量系统低频特性的补偿研究
The key of the algorithm is expressed as follow. At first, the early time and low frequency response is obtained using method in time and frequency respectively. 这种方法的核心思想是:预先由时域和频域方法分别得到早时响应和低频响应,然后同时外推,从而获取整个时域和频域内的电磁响应。
Low-frequency response of the crustal media at regional ranges 区域地震范围内地壳介质的低频响应
Then, the radiation efficiency at low frequency and frequency response at high frequency in fluid are computed respectively by both SYSNOISE software and AUTOSEA software. 然后结合SYS-NOISE软件和AUTOSEA软件分别计算壳体在流场中声辐射效率在低频段和高频段时的频率响应。
A kind of dual-slot-coupled H plane Tee coupler is presented, and analyzed by the Method of Moment. The result indicates that the coupler is characterized by its low reflection and good coupling frequency response, and has the advantage over the single-slot-coupled H plane Tee coupler. 提出一种波导H-T双缝耦合器,并用矩量法对其进行了分析计算,结果表明这种耦合器反射系数小、耦合度频响特性好,优于单缝耦合器。
The high temperature radio frequency superconducting quantum interference device ( HTS RF SQUID) magnetometer is characterized by direct measurements of magneticfields, low noise, broad bandwidth and excellent low frequency response. 高温超导磁强计具有可直接测量磁场、低噪声、频带宽、低频响应好的特点。
Characteristics of audiology such as air-bone gap at low frequency and acoustically evoked short latency negative response ( ASNR) can help us to discover this disease. The golden standard of EVAS is imageology. 临床听力学存在特征性改变,如低频骨气导差及声诱发短潜伏期负反应有助于发现该疾病,但诊断的金标准仍是影像学。
Traveling Wave Rod Pressure Gages are superior to common gages in that the latter have a low frequency response and are damageable under high-frequency impulse. 本文采用压杆应变式压力传感器来测量爆炸冲击波载荷,这种传感器解决了普通传感器在高频压力脉冲下频响低且容易损坏等问题。
Therefore, in order to ensure the safety and stability of power system operation, the state proposed the corresponding technical requirements for photovoltaic energy grid-connected, such as requirements of islanding detection, low voltage ride through, frequency/ amplitude response and so on. 为了确保电力系统的安全和稳定运行,国家出台了相应的技术规定,对光伏能源的接入提出了技术性的要求,如要求具备孤岛检测、低电压穿越、频率/幅值响应等。
The primary frequency of the structure is far away from the primary frequency of the seismic wave, the horizontal seismic response is low frequency vibration, and the response is rather little. 结构主频远离地震波的主频,该塔台的水平地震为低频振动,结构地震反应较小。
The results show that the heave plate can reduce the heave response effectively and the viscous damping contributed by the hull can suppress the low frequency response for surge obviously. 分析结果表明垂荡板能非常有效地降低平台垂荡响应;平台主体产生的粘滞阻尼对于纵荡低频动力响应有明显的抑制作用。