查询词典 bandwidth

In recent years, SiC FET power transistor and GaN high electron movability power transistor represent the third generation semiconductor-wide bandgap semiconductor power devices, have advantages of high breakdown voltage, high power density, as well as high output power, high operation efficiency, high operation frequency, wide instant aneous bandwidth, operation in high temperature environment and strong ability of resisting radiation.

近年来以SiC场效应功率晶体管和GaN高电子迁移率功率晶体管为代表的第三代半导体－宽禁带半导体功率器件具有击穿电压高、功率密度高、输出功率高、工作效率高、工作频率高、瞬时带宽宽、适合在高温环境下工作和抗辐射能力强等优点。

A comparison of the communication frequency bandwidth and the calculated MUF have been made.

本文首先简要介绍了1985年12月至1986年3月南极长城站与新乡的短波通信效果，可通信的时段与频段，并将频段与计算的MUF进行了比较。

It is found that the upper limit of the operational frequency bandwidth along the short great circle path which crosses the south-polar, region is approximately in accord with the calculated MUF and the other one along the long great circle path which crosses the north- polar region is different from the calculated MUF.

结果表明，经过南极区的短大圆路径的通信频段上限与计算的MUF基本相符；经过北极的长大圆路径的通信频段上限与计算的MUF有偏差。

In order to solve this problem, we can employ the multiplexing technique to save the bandwidth.

为了解决这一问题，我们可以采用MPEG-2传送流复用技术来节省带宽。

In this thesis, we studied multiplexing for integrated traffic and adaptive bandwidth reservation on high speed network.

本论文对综合业务的复用和自适应带宽预留等问题进行了研究。

The modified version has no limitation on the number of bits for encoding the multiplicand and the multiplier, greatly save the space-bandwidth-product, and the mixed digital string can be directly weighted and summed to obtain the final product.

其中二值虚数基编码使复数相乘简化为两次乘法，四值虚数基编码（数基为2j）使复数相乘进一步简化为一次乘法，变得和实数操作一样。

The basic demand and scheme of multipoint accessing is proposed based on the analysis of the characteristic of new services in HFC network, the multipoint access technique based on STM and ATM are studied, and the method of bandwidth sharing and collision resolution is provided.

分别研究了基于STM和ATM的HFC网多点接入技术，给出了带宽动态分配和冲突解决的方法。

At the same time, to cover the entire bandwidth, multipoint automatic WCAWE is also proposed.

同时，为了覆盖整个关心的频带，多点自动化的WCAWE技术也同时也被提出。

Based on this model a novel board bandwidth microwave noise generator , which is composed of a digital algorithm part and an analog modulation part, is simulated.

摘要该文提出了微波压控振荡器的一种建模形式，以此为基础对一种采用数字信号处理和微波模拟信号调制相结合的新型微波宽带噪声发生器进行了建模仿真。

This passage showed us a white and Gaussian white noise generator whose density and bandwidth was adjustable, and this generator was based on FPGA. In addition, there was a system block figure and some essential in the design.

提出了一种基于FPGA硬件的，强度、带宽均可调的白噪声和高斯白噪声生成器，给出了设计的总体框图和设计中的一些要点，阐述了主要部分的原理和理论推导。

He tendered his resignation to the Prime Minister.

他向首相递了辞呈。不适合

International economy and trade,Nanking 210044

国际经济与贸易，南京 210044