频率响应
- frequency response
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工艺误差对SAW叉指换能器频率响应影响的蒙特洛分析
Monte Carlo Analysis on Effect of Technical Errors on Frequency Response in SAW IDTs
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用于GIS局部放电检测的超高频传感器频率响应特性
Frequency response characteristics of the UHF Sensors for partial discharge detection in GIS
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MATLAB环境下频率响应曲线的绘制方法
The Plotting Ways of Frequency Response Curve Based on MATLAB
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高速Ge光电探测器脉冲和频率响应的特性测量
Measurment of Impulse and Frequency Response of a High-speed Ge Photodiode
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频率响应特性CAI软件的开发
Software Development About Frequency Response Characteristics CAI
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文献报道的SAW倾斜形换能器的设计方法,不能根除变迹损失,可能引起所需频率响应的失真。
The reported design method of SAW inclined apodized transducers is not free of weigh-ting loss and may distort the desired frequency response .
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掺Yb双包层光纤放大器的瞬态增益和频率响应
Frequency Response and Transient Gain of Yb doped Double Clad Fiber Amplifier
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MIMO-OFDM广义空间信道频率响应间的相关性分析
Correlation Analysis Among Frequency Responses of MIMO-OFDM Wide-Sense Space Channels
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由于调制传递函数(MTF&ModulationTransferFunction)能够客观地反映一个成像系统的频率响应特性,因此,人们一直把它作为评价连续成像系统质量的重要手段。
The modulation transfer function ( MTF ) is an important parameter for evaluating the quality of a image-forming system , because MTF can objectively reflect characteristics of spatial frequency response of the system .
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基于Faraday效应的光纤陀螺频率响应测试方法
Frequency response testing of fiber optic gyroscope based on the magneto-optic Faraday effect
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利用光自注入改善DFB激光器的频率响应
Self - Seeding of DFB Laser to Improve the Frequency Response
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采用经典Burgers模型和RT模型对该材料频率响应曲线的预言能力进行评估;
The predication capability of the frequency response behavior for Burgers model and RT model was evaluated .
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采用场发射阴极的X射线光源具有体积小,辐射强度高,频率响应快,可以随时开启,无需预热的优点。
Using field emission cathode , X ray source can be made with several advantages : smaller volume and brighter , high frequency response , in-time turning on , etc.
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在计算机辅助测试(CAT)条件下,对电液伺服阀频率响应特性测试数据进行了离散化处理。
Under the condition of CAT ( Computer aided test ), the test data about electro-hydraulic servo valve frequency response characteristic is processed with the discrete way .
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于是,SC网络的频率响应和灵敏度可以调用现有的标准模拟电路分析程序算出,而无须编制专用程序,与已有方法比较,本方法具有计算速度快的优点。
Thus , the SC network frequency response and sensitivity can be found by using available Standard analogue circuit analysis program .
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在快速傅立叶变换(FFT)基础上计算自功率谱、互功率谱、频率响应函数、相干函数、倒频谱分析;
Auto-power spectrum , cross-power spectrum , frequency response function , coherence function , cepstrum analysis based on FFT ( Fast Fourier Transfer );
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三维散射体宽带RCS频率响应的快速算法:渐进波形估计技术加速的区域分裂法
Fast RCS Calculation of 3-D Objects over a Frequency Band Based on Domain Decomposition Method in Conjunction with Asymptotic Wave Evaluation Technique
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通过优化压电陶瓷堆(PZT)相位调制器驱动电路,有效地提升了系统的频率响应范围。
The frequency response range is effectively widened through optimizing the driving circuit of PZT , which is used as phase modulator .
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基于Morlet小波的信号滤波方法及在频率响应测试中的应用
Signal Filter Method Based on Morlet Wavelet and Its Application on Frequency Response Function Measurement
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GMR传感器直接测量磁场,因此具有良好的频率响应特性。
GMR sensor detects the magnetic field directly , thus it has a good frequency response characteristic .
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LTI系统的频率响应在阵列校正中的应用
Array Calibrating Methords using the of Frequency Response
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时域有限差分法结合Pade逼近快速获取介质柱宽带RCS频率响应
Fast calculation of wide band RCS pattern of dielectric cylinders using the FDTD method and the Pade interpolation technique
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文章通过对A计权、B计权和C计权3种噪声计权网络频率响应函数的建模,得出了这3种频率计权函数的解析表达式。
In this paper , the method of three kinds of weighted networks ( A , B and C weight ) is established based on the study of their frequency response functions . Three weighting function expressions are derived .
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阶跃响应和频率响应实验表明系统有较好的跟踪效果,与PID控制作了对比实验,控制效果明显优于PID。
Experiments of step response and frequency response show that the System has better tracing effect , and comparison experiments with PID control indicate the result of control is remarkably better than that of PID .
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针对多径信道环境下的DVB-T系统,给出了数学期望最大(EM)算法迭代检测发送信号的方法,初始信道的频率响应采用最大似然(ML)和最小均方误差(MMSE)方法进行估计。
This paper gives the ML and MMSE method of channel estimation in DVB-T system and gives an iterative detection of transmitted signals using EM algorithm .
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采样系统的频率响应和L2诱导范数
Frequency Response and the L_2-induced Norm of Sampled-data Systems
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针对光探测器芯片的各种重要参数,如I-V特性、暗电流、量子效率、频率响应特性展开了相应的理论和实验的研究。
Parameters of photodetector , such as I-V characteristic , dark current , quantum efficiency and frequency response are studied experimentally and theoretically .
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验证了通过注入锁模方法,分布反馈(DFB)半导体激光器的频率响应可以得到明显的改善。
This paper reports that the frequency responses of a direct-modulated DFB laser diode can be improved using an injection locking method .
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通过BMLA/LS技术对信道冲激响应和频率响应的实时提取;
Channel impulse or frequency response estimation in real time by the BMLA / LS technique ;
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OFDM系统的LS信道估计可看作真实信道频率响应的一个有噪观察值,因此可采用子空间投影方法对噪声进行压缩。
The LS channel estimation of OFDM systems can be viewed as a noisy observation of the true channel frequency response , so the noise component can be compressed through subspace projecting .