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The design process is simple and can be simulated by the sophisticated SAW unit electrode and interdigital parameters.The parameters adjustment is very simple when filter center frequency and bandwidth changes.

设计过程简洁，可采用成熟的SAW单元电极和叉指参数进行计算机模拟，且当所设计的滤波器通带频率和带宽变化时，参数调整方便。

The loss compensation is only activated at the filter's passband, and the insertion loss could be adjusted without affecting the filter's center frequency and 3-dB bandwidth.

共震器的损耗补偿只作用於主动滤波器的导通频段内，而且介入损失的调整并不影响到主动滤波器的中心频率与 3 dB频宽。

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。

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。

For a single filter, the center frequency is 39.5MHz, the 20dB shape factor is 2.8, and a bandwidth is 49 kHz,respectively.

除此之外，吾人另制作高频单一滤波器的中心频率值39.5 MHz，波形常数为2.8，频宽为49kHz。

Measured results indicate that the filter's center frequency was 6.02 GHz with a 3-dB bandwidth of 1.14 GHz and this filter was free from oscillations with either an 2.2-dB insertion loss or a 0.56-dB transmission gain.

共震器的损耗补偿只作用於主动滤波器的导通频段内，而且介入损失的调整并不影响到主动滤波器的中心频率与 3 dB频宽。

Experimental results show that, using formulas derived in this paper for filter designing, the expected bandwidth and ...

实验结果表明，应用导出的设计公式进行设计，预示的带宽和阻带衰减更接近实际。

While the second order full extension ETG finite element method is applied to solve the problems concerned with natural convection and forced convection, different discretization schemes are deduced respectively. Then the equations are solved by using the technology of variable bandwidth and mass diagonal matrix.

详细推导了应用二阶全展开ETG有限元法求解自然对流和强制对流问题时的有限元列式，并应用压力校正法与质量矩阵对角化及变带宽压缩存储技术对方程进行求解。

To a first approximation, the bandwidth of a phase-scanning antenna in % of f0 is equal to the normal beamwidth in degrees.

对于最初的近似，相扫天线用f0的百分数表示的带宽等于一般用度表示的带宽。

Searching for a novel glass system with excellent thermal stability and good optical performances is an effective approach to achieve Er3+-doped fiber amplifier with broad bandwidth and flatting gains.

探求新的具有优良的热学和光学性能的基质玻璃系统，是获得具有宽带宽和增益平坦的掺Er3+光纤放大器的一种有效途径。

The system can be widely used in belt weighing and batching process control,etc.

介绍了基于智能模糊控制的嵌入式配料系统的设计方法，对模糊PID控制过程和系统调零作了重点的讨论，同时给出了PID控制的程序流程图和系统定长调零子程序。

"I dunno," she answered,"but if you show me aroun', I'll recognize it from the lighthouse just outside the porthole."

"我不知道，"她回答说，"如果你能带我转转，我能认出来的，因为灯塔就在舷窗外。"