查询词典 band filter

Also the problems of stochastic controllability, observability and stability of the filter are studied, a simple observability criterion for the time-invariant systems is set up, error band of the filtering is given theoretically, and the filtering stability results are proved under more general conditions; besides, the filtering error caused by uncorrect mathematical models is analysed.

本文还研究了随机能控能观性及滤波的稳定性问题，建立了结构简单的平稳定常系统的能观性判据，在理论上给出了滤波算法的误差范围，在更一般的条件下证明了最优滤波算法的稳定性；并从理论上分析了模型误差对滤波产生的影响。

The optimum design scheme was designed for switching capacitor array of a tuning capacitor band pass filter.

优选出PIN开关电容阵列调节电容带通滤波器的最佳设计方案。

The design of a surface acoustic wave filter with a center frequency of 44?MHz, a 1?dB bandwidth of 8?MHz, an out-of-band rejection of more than 60?

采用数字傅里叶变换技术设计并制作了一个中心频率为44MHz，1dB带宽为8MHz，带外抑制大于60dB，插损小于28dB的带通滤波器。

To this end, we systematically investigate the some properties of m-band compactly supported orthogonal multiwavelets system related to each type symmetric center filter.

从一个给定的具有对称性质的m带紧支撑正交多尺度函数出发，欲构造也具有对称性质的m带紧支撑正交多小波，可转化为对给定矩阵的对称仿酉扩充问题。

The signal processing system consists of a band pass filter with center frequency of 2.856 GHz and bandwidth of 10 MHz,a logarithmic detector,a analog digital converting module...

本系统有效地采用了虚拟仪器的技术，具有模块化、开放性、易于交互、可扩展的特点，测试结果表明，其分辨率达到0.1 mm，符合设计要求。

In the experiment,by adjusting the manual tunable fiber Bragg grating and control the transmission of the light through the filter band,the operating center wavelength of the fiber lasers could be tuned from 1 047 nm to 1 055 nm and pulse duration at a repetition rate of 4.9 MHz.

实验中，在保证锁模状态稳定的情况下，通过调节可调谐光纤光栅滤波器，使激光器输出锁模脉冲的中心波长在1 047 nm～1 055 nm范围内连续调谐，重复频率稳定维持在4.9 MHz。

The Nistica FLEDGE 2 introduces a high level of performance and flexibility in a two-port tunable fiber-optic band pass filter.

Nistica FLEDGE 2是一种高性能和高灵活性的四端口可调谐光纤带通滤波器。

It is approximately but very efficiency. It can be used to calculating whole frequency band performance of the filter.

实验表明本文方法设计的C波段谐波滤波器达到了国外同类器件的水平，是成功的。

The important conclusion are when using UMTS signal as interferer to the GPS receiver,the blocking effect is even worse,improving the GPS receiver band pass filter performance can decreased this bad effect.

结果证明，工作在UMTS频段的设备，对GPS接收装置的阻塞影响最大，改善GPS接收装置中的带通滤波器性能，对抑制UMTS干扰信号有很好的作用。

High temperature blankets series; 5, rubber, polyurethane materials of high strength steel wire synchronous belt; 6, knitting, needle corrugated board conveyor belt; 7, V-belt, round belt, wide-band, multi-groove belt, transmission belt, steel buckle, etc.; 8, stainless steel plate chain; steel plate chain, modular Nets plate; 9, professional custom-made automated production lines; 10, import bearings, chain, motor, deceleration machine, inverter and so on; 11 , industrial fabrics, activated carbon fiber, needle filter materials, high temperature blankets, sealing materials.

耐高温的毛毡系列； 5、橡胶、聚氨酯高强钢丝材质的同步齿形带； 6、编织、针刺瓦楞纸板输送带； 7、三角带、圆带、广角带、多沟带、变速带、钢扣等； 8、不锈钢平板链；塑钢平板链、模块化网板；9、专业订做自动化生产流水线； 10、进口轴承、链条、电动机、减速机、变频器等； 11、工业用布、活性炭纤维、针刺过滤材料、耐高温毛毡、密封材料。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。