frequency bandwidth的例句大全

Long Delay Line with High Frequency and Large Bandwidth

高频大带宽长延迟线

Relying on the model, the unstable influence of the structure resonance is eliminated with an incomplete differential PID control algorithm. The control bandwidth can surpass its structure resonance frequency and wide bandwidth control can be realized through applying linear power amplifier.

依据模型，以不完全微分PID控制算法来消除结构谐振的不稳定影响，采用线性功率放大驱动方式，可使控制带宽超过其结构谐振频率，实现高带宽控制。

Its song consists of amplitude modulating pulse trains, the repetition frequency being about 180 Hz. The measurable bandwidth is 200-12500 Hz with the main peak at 5 kHz.

其鸣声由重复频率约180Hz的调幅脉冲列组成，可见带宽200&12500Hz，主峰频率5kHz。

The industry and market needs to promote the performance of electronic systems. As the semiconductor technology advances, the on-chip clock speed and board-level clock speed increases yearly. High-speed circuit bandwidth has accessed to the traditional circuit microwave frequency bands.

需求不断地推动着电子学系统的性能发展，随着半导体工艺的进步，片上时钟的速度和板级时钟的速度都在逐年提高，信号的带宽已经进入了传统的微波电路的频带范围。

algorithm for uwb pulse based on the frequency band and bandwidth constraint

基于频段及带宽限制设计UWB脉冲的算法

in wireless digital transmissions, due to the delay dispersion of the transmitted symbols and the limitation of channel bandwidth, the channel may induce inter-symbol interference ( isi), which results the frequency selective fading.

在无线数字传输中，由于时延扩展和信道带宽限制，引起码间串扰，产生频率选择性衰落。

the experiments of the platform are performed, according to the data, a detailed analysis of the experimental result is raised from six aspects concerning hydraulic oil as in contaminant, temperature, individual difference, pulsation frequency of control signal, and the restriction of system bandwidth.

本文对系统进行了联机调试，并对实验数据从液压油的杂质、温度、个体差异、控制信号脉动频率、系统带宽限制等六个角度进行了分析。

this paper discusses a correcting way of the rudder servo control system through frequency domain response design method and then focuses on the frequency characteristic of the position feedback, such as, phase margin, magnitude margin, syntonic peak value and close-loop bandwidth and so on.

在此基础上，通过频率域响应设计方法，进行位置反馈校正网络的设计。同时重点考察所设计系统的相角裕度、幅值裕度、谐振峰值、闭环带宽等频率特性量。

closed-loop gain shaping algorithm constructs a robust controller by the four engineering parameters of the largest singular value, bandwidth frequency, peak value and slope of high frequency asymptote according to the desired shape of sensitivity function and closed-loop frequency spectrum.

闭环增益成形算法根据闭环频谱及灵敏度函数所希望的形状，用最大奇异值、带宽频率、频谱峰值和高频渐近线斜率4个具有工程意义的参数构造出鲁棒控制器。

study of electromagnetic wave absorber with wide-bandwidth frequency composed of rubber and ferrite

宽频带橡胶复合铁氧体电磁波吸波材料研究

this paper presents a method for eliminating frequency aliasing in digital frequency measurement with sub-nyquist sampling over a wide bandwidth.

提出了一种宽带数字测频中欠采样测频的解模糊方法。

the noise bandwidth and dead time in the measurement of short-term frequency stability

短期频率稳定度测量时测量带宽和间隙时间的确定

high- frequency compensation dynamic bandwidth active filter based on the frequency of input signal

基于输入信号频率的高频补偿动态带宽有源滤波器

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.

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.

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 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。

An Analysis of Noise Bandwidth after Doubling the Signal Frequency

信号倍频后噪声频宽的分析

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。