frequency selectivity
英 [ˈfriːkwənsi sɪˌlɛkˈtɪvɪti]
美 [ˈfriːkwənsi sɪˌlɛkˈtɪvəti]
频率选择性
双语例句
- The frequency selectivity of FSS is related to many factors, including the shape and size of cell, the distance between cells, and the direction and polarization of incident wave.
FSS的频率选择性与很多因素有关，例如，阵单元的形状、间距、排列方式，以及入射波的角度和极化特性等。 - Then, we propose that an UWB antenna with high frequency selectivity can be constituted by integrated design of UWB filter and UWB antenna.
然后提出了通过对超宽带滤波器和超宽带天线进行集成设计的方法，构成具有良好滤波特性的新型超宽带天线。 - It has the advantages of MIMO-OFDM technology: increase system channel capacity and data transfer rates significantly, against frequency selectivity fading and multi path fading.
它不但具有MIMO-OFDM技术的优点：能大幅提升系统的信道容量和数据传输速率，抗频率选择性衰落和多径衰落。 - We construct a new directional filter bank with flexible direction and frequency selectivity by cascading checkerboard-shaped filter pairs and the cosine modulated filter bank.
通过将二维棋盘形滤波器和二维可分离余弦调制滤波器组相结合，构造了具有灵活的方向和频率选择性的新的方向滤波器组。 - The fundamental research and the simulation result indicated that this corrective method can also obtain the high diversity gain and BER property under the frequency selectivity fading channel. Secondly, studied the differential space-time coding which circumvents the need for channel estimation.
理论研究和仿真结果均表明，该改进方法在频率选择性衰落信道下也能得到较高的分集增益和误比特率性能。其次研究了不需要信道估计的差分空时编译码方案。 - They can improve the frequency selectivity. They can provide better characteristics of the stopband. They can be used in the design of bandstop filters, and they can decrease the size of filter efficiently.
传输零点在滤波器的设计中占有非常重要的地位，它可以提高滤波器的频率选择性，可以提供良好的阻带特性，也可以用于带阻滤波器的设计，而且可以有效的缩小滤波器的体积。 - The objective of this work is to design an integrated bandpass filter capable of operation in the intermediate-high frequency range with high linearity, tunable, low noise and high frequency selectivity. Transconductor ( Gm) is the most main unit of the whole Gm-C filter.
本次工作的目标是实现一个能够工作在中高频段拥有高线性度、低噪声、高频率选择的可调谐滤波器。跨导器（Gm）是整个Gm-C结构中的最基本的单元。 - However, due to non-ideal communication environment, the frequency selectivity and fading of wireless channel restrains bit error rate performance, throughput, capacity and network flexibility of UWB systems.
然而，由于实际通信环境的不理想，无线信道的衰落效应限制了UWB系统的误码率性能、吞吐量、容量和网络灵活性。 - On the other hand, because of the frequency selectivity of human hearing, the effects of boundary conditions on sound quality are different from the one on physical sound.
另一方面，由于人类听觉对声音频率的选择接收特性，边界条件对结构辐射声响度的影响与对物理声的影响有很大不同。 - And it has frequency selectivity.
且耦合电容具有频率选择性。