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- The generating of pseudo random sequence is one of the key subjects to realize the spread spectrum technique upgrade for BPC low frequency time code radio station. 伪随机序列的产生是实现BPC低频时码发播台扩展频谱技术升级的一个重要环节。
- Wave speed equals frequency times wavelength. 波速等于频率乘以波长。
- Through the DFT can transform the complicate Time spectrum to simple frequency spectrum in some special frequencies, which have specific amplitudes relatived to different mass transfer process of ultrasound. 通过离散傅里叶变换 ( DFT)将复杂的时域谱转化为频域谱 ;较清楚地将超声对电极反应的影响区分为不同频率下的幅值信号 .
- Positron annihilation life time spectrum was a new technique to test and characterize polymer structure by research on free volume. 正电子湮没技术是通过自由体积的研究,对聚合物结构探测和表征的1种新型技术。
- Based on the data of storage and loss moduli the calculation method of the relaxation time spectrum is attained by use of the least square linear regression. 基于聚合物熔体储能模量和耗能模量;给出了采用最小二乘线性回归得到熔体松弛时间谱的计算方法.
- This paper discusses a method of time spectrum model.This method computes RCS value according to the transform of coordinate which is computed by track date of radar simulator. 文中探讨一种RCS的时间谱模型,它依据模拟器前端所产生的航迹数据,经过目标坐标系与雷达坐标系的变换,即可得到RCS随时间起伏的模型。
- Time clock signal source directly fetches from clock signal of PCI bus in the computer system or signal generator, which can generates high frequency time clock signal. 该时钟信号源直接取自于该电脑系统中PCI总线的时钟信号或是一可产生高频时钟信号的时钟信号产生器,用以供应该计数电路所需的输入时钟信号。
- The method for measuring the time spectrum and energy spectrum of fusion pulse neutron source in short distance is described. The limitation of the method is discussed in brief. 摘要介绍在近距离条件下,测量聚变脉冲中子源的时间谱、能谱和产额的一种方法-两测点解谱法,对该方法的局限性作了简要地讨论。
- fully electronic audio frequency time delayer 全电子音频延时器
- transverse relaxation time spectrum 横向弛豫时间谱(T2谱)
- voltage frequency time component 压频时间分量
- multichannel real time spectrum analyzer 多信道实时频谱分析仪
- Frequency Time Division Multiple Access 频率时间分配多路存取
- positron annihilation life time spectrum 正电子湮没
- Frequency Time Hopping Multiple Access 频率时间跳跃多址
- relaxation time spectrum inversion 弛豫时间谱反演
- continuous relaxation time spectrum 连续松弛时间谱
- induced polarization relaxation time spectrum 极化谱
- He varied the transmission frequency. 他变换了无线电传送的频率。
- A unit of frequency equal to one cycle per second. 赫兹频率的单位,等于每秒一周