The temperature dependence of frequency characteristics of PET is researched on. 研究了低温多晶硅发射极晶体管的频率特性及其温度关系。
Research on Natural Frequency Characteristics of Horizontal Layered Soils on Half Space 半空间上水平层状场地自振频率特性研究
First, the frequency characteristics of the input seismic waves are neglected and the input waves are filtered to form a series of cyclic load with different amplitude. 新公式首先略去地震波频率特性的影响,将一随机地震应力时程保留其有效幅值,筛选成一系列不同幅值的往返荷载;
Study on Frequency Characteristics of Effective Reflectance on Dissevered Seabed 强割裂海底区有效反射系数的频率特性研究
And the effects of the geometrical dimensions of the grating on high frequency characteristics of system were analyzed. 并针对矩形栅的两种典型结构进行数值计算,分析了金属栅的几何尺寸对系统高频特性的影响。
The study on frequency characteristics and isolation mechanism of isolated liquid storage tanks 基底隔震储罐频率特征与减震机理分析研究
Research progress of recent years on high frequency characteristics of magnetic thin films were summarized systematically. 对国内外近年来在磁性薄膜高频特性的研究进展进行了较为系统的总结。
Frequency characteristics of electromagnetic bandgap structure with bow-tie unit 一种蝶形单元的电磁带隙结构的频率特性
Study on Serial/ parallel Transform and Frequency Characteristics of Absolute Time-grating Displacement Sensor 串并转换思想与绝对式时栅传感器的频响特性研究
Research on the low frequency characteristics of LOX/ kerosene staged combustion cycle engine 液氧/煤油补燃发动机低频频率特性研究
A new color quantization algorithm base on the frequency characteristics of color image 一种基于彩色图像频率特征的颜色量化算法
It presents recommended levels and frequency characteristics for the inductive field at the telephone earphone relative to a sound level presented at the same earphone. 该条给出了电话耳机处相对于该耳机发出的声压级的,所建议的感应场的强度级和频率特性。
Study on difference of regional frequency characteristics of interconnected power system and its influence on under-frequency load shedding 互联电网的地区频率特性差异性及其对低频减载的影响研究最大功率输出频率特性
Study on time frequency characteristics of self-propelled gun's road vibration signal 自行火炮路面振动信号时频特性研究
Absolute value circuit is the key part of subrange ADC, its Amplitude and frequency characteristics directly affect the Amplitude and frequency characteristics of ADC. 绝对值电路是分级式A/D转换的关键部分,其频幅特性直接影响A/D的频率特性。
This thesis sums up the simplified ways of drawing amplitude and phase frequency distinction curve, which bases on researching on the frequency characteristics of minimal phase transfer function. 在研究最小相位传递函数的频率特性基础上,总结出一种绘制幅相频率特性曲线大致形状的简便方法,并给出了应用实例。
Using this virtual instrument, the frequency characteristics of both open-loop system and closed-loop system can be measured. 设计的虚拟仪器既适用于对开环系统又适用于对闭环系统的频率特性进行测试。
Frequency characteristics of radiated sound and modes of vibration of a two-tone Chinese Peace Bell 中华和钟之双音?钟的声频特征和振动方式研究
Theoretical Analysis of the Frequency Characteristics of an Electro-pneumatic High-intensity Acoustic Generator 气动式强声发生器频率特性理论分析
Frequency characteristics of breakdown vortices over delta wings with small amplitude oscillation at the high angle of attack 大迎角下小振幅振荡三角翼破裂涡的频率特性张翼,大鹏展翅,往后振翅,不断拍动
The frequency characteristics of synchronous machines has been measured with a guiding idea to use the power spectral analysis. 本文提出了同步电机频率特性的一种新的量测方法。
Study on Frequency Characteristics of Hainan Power Grid during Isolated Operation 海南电网孤网运行时的频率特性分析
Frequency characteristics test instrument based on MCU and FPGA 基于单片机和FPGA的频率特性测试仪
Estimate of Object Frequency Characteristics Based on FFT 基于FFT的被控对象频率特性估计
The spectrum division technique was used for establishing signal model of delay time measurement, and amplitude frequency characteristics of the signal after spectrum division was investigated. 利用频谱相除技术构建了延迟时间测量的信号模型,研究了频谱相除后信号的幅频特性。
Based on the second-order nonlinear hydroelasticity theory proposed in a previous paper, the frequency characteristics of the principal coordinates of a moored floating body are analyzed. 采用前文建立的海洋浮体二阶非线性水弹性理论,本文分析了一个弹性系泊浮体在波浪中的主坐标响应的频率特征。
Based on flow visualization, dynamic pressure and hot wire measurements, the unsteady phenomena and frequency characteristics in flow over delta wings have been investigated. 通过流动显示、表面动态压力测量及热线测量等实验手段,对三角翼破裂涡流中的多种频率成分进行了分析。
High frequency characteristics analysis and experimental study on open input cavity for klystron 速调管输入腔开放腔的高频特性分析与实验研究
Study on Dynamic Frequency Characteristics and Coordinative Under-Frequency Load Shedding Scheme for Nationwide Interconnected Power Grid of China 全国电网互联系统频率特性及低频减载方案