frequency bandwidth的例句大全

The vibration measurer for testing parasitic resonance must have good unidirectivity and sufficient frequency bandwidth.

测定寄生谐振的振动台要有良好的单向性和足够宽的频带。

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By theoretical and experimental analysis, relations between the utmost frequency bandwidth of the system and the thrust force of the cylinder& rated flow of the servovalve are established, which are applied to guide the design of servo systems in the wind tunnel.

通过理论及对试验结果的分析，总结出伺服系统极限频宽与油缸推力和伺服阀流量的关系，并应用于对风洞电液伺服系统的设计。

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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.

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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.

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Each filter has flexible adjustability of its time window and frequency bandwidth. Therefore, high mode resolution and short observation time window can be self-adaptively achieved.

每个滤波单元时频域带宽柔性可调，能根据测量要求自适应取得较高的模式分辨率和较短的观测时窗长度。

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The frequency bandwidth increases first and then decreases while the dimension ratio of the back blind flange increases, the bandwidth obtains optimal value just as the dimension ratio achieves at about 1.

频带宽度则随着后盖板径长比的增加而先增大后减小，且当后盖板径长比约为1时可得最优带宽。

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Since the expanding of the frequency bandwidth is mainly within the effective one, the main energy spiking deconvolution can usually produce a satisfied result by taking a very small white noise coefficient even in the case that more serious noises exit in the seismic record.

由于主能量反褶积主要是在地震波的有效频带范围内拓宽频谱，因此即使在噪音比较严重的的情况下仍可取很小的白噪系数而获得较好的反褶积效果。

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Also the filter has a wide frequency bandwidth.

该滤波器有很宽的带宽.

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This method broadens the silence frequency bandwidth of muffler and improves its silence fuction.

这种方法拓宽了消声器的消声频带宽度,改善了消声器的消声性能.

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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.

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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。

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The arm width and the slot width influence the center frequency as well as the bandwidth.

臂宽和缝宽在影响中心频率的同时也影响带宽；

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With a devising technique of the narrowband filter, a new design method of the UWB receiver was presented and the demand for design of the filter center frequency and bandwidth also were quantificational given.

利用窄带滤波器设计技术，提出了一种新型UWB接收机设计方法，并定量给出了滤波器中心频率和带宽设计的要求。

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The design method of the high frequency electrical signals on the network interface card has been analyzed, and the efficient data transmission bandwidth of the link in different transmission modes has been tested and analyzed.

还分析了网络接口卡上高速电路的设计方法，测试并分析了链路在不同传输模式下的有效带宽。

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However, poor conditions of transmission, serious noise background, time and frequency selective fading, the limited bandwidth of channel result in serious distortion of UWA communication signals.

但由于水声通信传输条件恶劣，存在严重的噪声背景，并且水下声信道的带宽十分有限，再加上复杂的多径传播和时间、频率选择性衰落，导致水声通信信号严重畸变。

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In the paper, the design method of micro-strip open loop bandpass filter is introduced, and one example of filter with 1.85 GHz center frequency, 10.5% fractional bandwidth and the second one with 2.15 GHz center frequency, 9% fractional bandwidth are given.

分析了具有传输零点带通滤波器的设计方法，给出了中心频率为1.85GHz，分数带宽为10.5%和中心频率为2.15GHz，分数带宽为9%的微带开路环带通滤波器设计实例。

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The noise jammer using digital radio frequency memory ( DRFM) technology, has the features of high frequency spot accuracy, narrow noise bandwidth and high jamming power efficiency, is effective in jamming against pulse Doppler ( PD) radar.

采用数字射频存储器（DRFM）技术的噪声干扰机，具有瞄频精度高、噪声带宽窄、干扰功率利用率高的特点，可对脉冲多普勒（PD）雷达实施有效干扰。

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VSWR within a closely related position with the tap, but the length of filter tap on its center frequency, bandwidth, so little impact.

而通带内的驻波与抽头的位置紧密相关，而抽头长度对其中心频率，带宽影响微乎其微。

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It has the advantages of fine frequency resolution, short frequency conversion time, wide modulation bandwidth and controlling facility, and has capability of generating the different waveforms.

它具有频率分辨率高（可达uHz）、频率转换时间短（可达ns）、输出频率带宽很宽、程控灵活等优点，并具有产生多种常用波形的能力。

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This paper describes a pulse compressor implementation with DSP for small Time Bandwidth ( TB) product Linear Frequency Modulation ( LFM) waveform.

用DSP实现小TB积线性调频数字脉压，线性调频信号用数字方法产生。

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