frequency bandwidth的例句大全

The scheme can keep frequency bandwidth and symbol rate as the uncoded MFSK system.

该方案可保证频带宽度和符号速率同未编码的MFSK系统一样.

Frequency bandwidth and duty ratio are main specifications for the controllable neutron source.

频带宽度与占空比是可控中子源的主要技术指标.

Also the filter has a wide frequency bandwidth.

该滤波器有很宽的带宽.

In addition higher particle velocity and smaller particle size result in a wider temporal frequency bandwidth.

此外,颗粒速度越大,时域频带越宽,颗粒尺寸越大,频带越窄.

Next, the theoretical analysis method of code tracking performance in non-white interference environment is presented, which is followed by the discussion on the effects of interference frequency, bandwidth and receiver correlator spacing on code tracking accuracy.

给出了非白色干扰环境中的码跟踪精度理论评估方法，并讨论了干扰频点、干扰带宽及接收机相关器间隔对码跟踪精度的影响。

The frequency and bandwidth of the-end circuit can be changed easily to different satellite navigation signals.

针对不同的卫星导航信号,该前端电路的频率和信道带宽都可以容易地更改.

A voice-grade transmission facility with defined frequency response, gain and bandwidth.

信道是指一种话音级传输设备,定义了频率响应 、 增益和带宽.

Full bandwidth frequency response, high clarity , excellent imaging, superb depth, wide dynamic range.

全频率带宽响应, 高解析度, 极致的效果,超低的下潜深度, 宽广的动态范围.

Because of the several resonance frequencies of multi-frequency antenna far from each other, we should guarantee enough bandwidth of PBQ which should cover all the frequencies.

由于多频带天线具有多个谐振点，并分布相差较远，光子晶体设计的关键问题之一是需要保证禁带带宽，使得能够覆盖多个谐振点，实现光子晶体结构对各个谐振频率点的优化作用。

The result showed that the analyzer has wide input frequency range, narrow RBW ( Resolution Bandwidth) and high scanning accuracy, and it reaches the international advanced level.

测试结果表明所设计的分析仪输入频带宽、频率分辨力和扫频准确度高，达到国际同类产品先进水平。

According to the trend and request of software radio, the paper introduces the effective technique of increasing frequency-bandwidth efficiency, reduces or eliminates ISI based on band signal disposing.

根据软件无线电发展的方向和要求，介绍了通过对基带信号处理来提高频带效率，减少或消除无符号码间干扰（insigninterferer，ISI）的有效方法；

An Analysis of Noise Bandwidth after Doubling the Signal Frequency

信号倍频后噪声频宽的分析

Meanwhile, various receiver modules are designed respectively to accept step frequency signal, and their properties are simulated, such as receiver bandwidth, VSWR and so on.

然后分别设计了实现接收步进频率信号的接收机的各个模块，并仿真了它们的性能，如接收机带宽、驻波比等。

Minimum FBE as the genetic algorithm optimization goal, by selecting, crossover and mutation operations, genetic algorithm searches the optimal combination of center frequency and bandwidth within the range, then optimal filter is designed.

以频带熵最小为遗传算法的优化目标，通过选择、交叉、变异等操作，在取值范围内寻找最优的中心频率和带宽组合，设计优化滤波器。

The two ultra-high frequency outer antenna sensors are made with wide band and narrow band respectively. The gain of two sensors is both greater than 1 and VSWR of the sensors is less than 2 in effective bandwidth range.

研制了宽带和窄带两种超高频外置天线传感器，两种传感器增益均大于1，驻波比在其有效带宽范围内均小于2，均能用于GIS局部放电超高频检测。

The bandwidth of non-minimum phase system can't reflect dynamic characteristics. Crossover frequency ω_c is the performance index instead of the bandwidth, and the ω_c must be less than the non-minimum-phase zero a.

非最小相位系统的带宽不能反映系统的动态特性，应该采用穿越频率ωc代替带宽作为性能指标，且ωc应小于非最小相位的零点a。

Enlarging locking bandwidth and decreasing the control error of element free running frequency can make the beam pointing direction more accurate.

阵元自由振荡频率的误差越小，阵元锁相带宽越大，波束指向误差越小；

The 3 db Bandwidth is 30±5 MHz . The stop-band attenuation ( f _ 0±100 MHz ) is over 35 db except individual frequency points.

三分贝带宽为30±5MHz,阻带衰减 ( f_0±100HHz ) 除个别频率点外,其余都在35db以上.

We use the term bandwidth to represent such a frequency range.

我们用频带宽度这个词来代表这样的频率范围.

Orthogonal frequency division multiplexing ( OFDM ) is a bandwidth-efficient modulation scheme with robustness to frequency selective fading.

正交频分复用 ( OFDM ) 具有良好的抗频率选择性衰落性能和充分的带宽利用率.