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- amplitude frequency spectrum 振幅频谱
- A filter whose transfer function is matched with the frequency spectrum function of input signal. 其传递函数与输入信号的频谱函数相匹配的一种滤波器。
- The PZT matching layer redistributes the frequency spectrum of an original broadband ultrasonic probe, and acts as a frequency filter without reducing the wave amplitude. 此层锆钛酸铅匹配层可将原本超音波探头之宽频率分布过滤成某些特定频率之峰值，且没有降低该频率峰值相对于原始探头强度之强度。
- Then the amplitude vectors of diffracted plane waves from the disk are calculated rigorously for each incident plane wave, and the spatial frequency spectrum of the total diffracted field is obtained. 然后计算光盘对每个平面波的衍射，得到衍射波的振幅矢量，从而得到了整个衍射波场的空间频谱；
- Alters the frequency spectrum of signals passing through it. 当通过它时能够改变信号的频谱。
- Frequency Spectrum Measurement of Noise of Image Intensifiers[J]. 引用该论文 钱芸生;常本康;童默颖;刘磊.
- The inverted frequency spectrum,in fact, is Fouriers retransform. 倒频谱是频域信号的傅里叶再变换。
- The amplitude frequencies and distribution interval of power spectrum density of road surface depend on the roughness coefficient. 路面不平度系数的大小决定了幅值频次和路面功率谱密度的分布区间。
- The first order analysis of steady state motion for piston component was deduced by using Fourier expansion method, and the amplitude frequency characteristics was presented. 采用傅里叶展开法推导出活塞组件稳态运动的一阶解析解，以及活塞组件的幅频特性；
- The first order analysis of steady state motion for piston component was deduced by using Fourier expansion method,and the amplitude frequency characteristics was presented. 采用傅里叶展开法推导出活塞组件稳态运动的一阶解析解,以及活塞组件的幅频特性;
- A system that divides the frequency spectrum of a signal into a number of bands, which are separately transmitted and then recombined. 一种先将一个信号的频谱分成几个可独立传送的频带然后再合成的方法。
- The Time Domain Wave Form and Frequency Spectrum of Modulated Signal of uexp( tt/ Pw) Multiply by Carrier with Uniform Phase Noise. 单边递减波电压讯号乘上含有均匀相位杂讯载波之调变讯号时域波形及频谱。
- The entire available frequency spectrum is used with 79 hops of 1Mhz bandwidth, analogous to the IEEE 802.11 standard. 以1Mhz带宽79跳来利用这个完整的可用频谱。这类似于ieee 802.;11标准。
- Peaking in the frequency spectrum due to repetition of signals by multiple reflection is not confined to water layers. 多次反射波引起的信号重复在频谱中造成的峰值增多，并不仅仅局限于水层。
- Each 1.5MHz frequency spectrum of DAB can transmit six sets of programmes with CD quality. DAB每1.;5兆赫的频带可供传送六套CD音质的节目。
- The suggestions on the further research of the frequency spectrum analysis are provided. 就频谱分析的进一步研究提出了建议。
- Moreover, since the atoms are in random thermal motion the frequency spectrum will be altered by the Doppler effect. 而且，由于原子是在作无规则热运动，多普勒效应也会使频谱发生改变。
- Dynamic data exchange ( DDE) techniqueFigures such as space spectrum, frequency spectrum, etc. （2）动态数据交换（DDE）技术
- reproducing channel amplitude frequency response 重放通路振幅 频率响应特性
- The Time Domain Wave Form and Frequency Spectrum of Signal Tria(tt/Pw) Multiply by Normal Noise. 三角波电压讯号乘上准常态杂讯之时域波形及频谱。
