频带

In particular, zeros in the transmission bands often results in a loss in bit rate.

特别是当零点发生在传输频带时，会造成传输率的下降。

Its accuracy and optical resolution may be influenced by atmospheric absorption bands.

它的精密度和光学分辨力将受大气中吸收频带的影响。

Example embodiments of the CMOS antenna switch may provide for 35 dBm P 1 dB at both bands (e.g., 900 MHz and 1.9 GHz and 2.1 GHz).

CMOS天线开关的示例性的实施例可以在两个频带(例如，900MHz和1.9GHz和2.1GHz)提供35dBm P1 dB。

Chapter 9," I/O Control Operations ," contains a discussion of this important way for applications and other drivers to communicate "out of band" with your driver.

第九章，& I/O控制操作&包含一个讨论：应用和其他驱动与你的驱动&频带外&通信的一个重要途径。

The recoder a broadband digital instrument of large dynamic range, and can be used for recording earthquake data on the ocean bottom or in remote land areas.

海底地震数据记录器是一种大动态、宽频带数字仪器，能用于海底或陆地边远地区记录地震数据。

This model anharmonicity in the nearest-neighbor interaction potential produce localized surface mode (S1 mode) with frequency close to the acoustic branch in the gap and localized surface modes (S2 mode) with frequency above the top of the optical branch.

在考虑近邻原子间相互作用势函数中的四次方非线性项后，在相应线性系统频带的禁带中和光学支上面发现了非线性表面局域模(S1模和S2模)。

One is by inserting a C-shaped slot on the patch, and the other is by choosing the size of the pie-slot cut in the circular patch, which is avoid the interference of the notched band.

一种是在天线平面上置入一C型的槽孔，另一种是在圆形的平面选择一个斜角大小的槽孔，皆可阻隔频带干扰的问题。

By embedding a C-shaped slot in the resistance-loaded annular-ring microstrip antenna,we design a compact dual-frequency microstrip antenna in this paper.

在对环形微带天线进行电阻加载实现天线小型化的基础上，通过对环形天线的C形开槽，实现了天线的双频带工作。

The filters require close component matching to guarantee that carrier and single-sideband suppression—key measures of quadrature-modulator ideality—do not degrade as a function of baseband frequency.

滤波器需要匹配精密器件，确保载波和单边频带抑制——理想积分调制器的关键——作为基带频率不能降级。

In this paper, based on a pill-box window model with a conical-shaped alumina ceramic and Ansoft HFSS software, the relation of VSWR with various electrical parameters in the window is simulated; the effects of variations of the output window structure on electrical field intensity, microwave power flow and quantity of heat are analyzed; the electrical characteristics of frequency bandwidth, power capability and heat dissipation for the pill-box window with conical-shaped or disk alumina ceramic are discussed, which shows that, with a rational structure of the window with conical-shaped alumina ceramic, the output capability of microwave peak and average power may greatly be increased, the secondary electron emission may effectively be suppressed, and heat dissipation may become more uniform and be easier for cooling.

本文在前人工作的基础上，基于圆锥形陶瓷盒形输出窗模型，采用Ansoft HFSS三维计算软件的优化模拟，对该输出窗模型的驻波频率特性与各种结构参量的关系进行了优化模拟，分析了该输出窗片结构变化对其表面的电场分布，功率流分布、热量分布的影响，得出最优模型参数。并且探讨了陶瓷窗片的形状和几何结构对改善输出窗的频带特性、提高峰值功率和平均功率、抑制二次电子倍增方面的作用。

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。