signal bandwidth

Major problems in the experiment procedure, such as circuit debug method, bottleneck of output signal bandwidth, power consumption and future works, are also discussed.

最后对实验过程中的电路调试方法，电路频谱宽度的瓶颈问题，电路功耗问题以及进一步的工作进行了讨论。

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Compared with traditional terrestrial sensor networks ( TSN) that use radio communication, underwater acoustic communication has low bandwidth, high bit error rate ( BER), and long signal propagation delay.

与传统的陆地传感器网络使用的无线电通信相比，水声信道具有通信带宽低、误码率高、传播时延大的显著特点。

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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；

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Based on the theory of the matched filter, the bandwidth-duration product of the signal can be made greater than one, by the way of using the pulse width to add to the method of LFM signal band.

在匹配滤波器理论基础上，使用在宽脉冲内附加线性调频的方法可以扩展信号的频带，使信号的时宽带宽积大于一。

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However, radar range resolution unit inverses the signal bandwidth according to radar signal theory.

而根据雷达信号理论，雷达的距离分辨单元的大小与发射信号的带宽成反比。

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With the bandwidth of radar increasing, the range resolution is improved. Especially radar of the new system appearing, it enhances the range resolution by transmitting the signal, which possesses large product of time width and bandwidth, and using the technology of pulse compression.

随着雷达信号带宽的增加，其距离分辨力也得到了极大的改善，尤其是新体制雷达的出现，通过发射大时宽带宽积信号，利用脉冲压缩技术，大大地提高了距离分辨力。

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The total bandwidth of this device reaches 200 MHz, resulting in a time-bandwidth product ( TB product) of 1000, which fulfils the elementary requirements of AO signal processing and AO optical computer.

该器件的带宽为200MHz，从而可使器件的时间带宽积达到1000，初步满足声光信号处理和声光光计算机的需要。

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When the measured signal has a very wide frequency chart especially in the fast signal measurement field, in order to easily satisfy the high fidelity requirement that Bandwidth of Long Transmission Line, it is necessary for expanding the Bandwidth of Long Transmission Line.

当被测量信号具有很宽的频谱，尤其是在快脉冲信号测量中，为了测量数据在传输过程中满足高保真度的要求，必须对远距离传输线进行带宽扩展。

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Over the years, it has been the goal that compressing the transmission bandwidth of speech signal or reducing the transmission rate of telephone channel. In achieving this target, speech compression coding technology plays an important role.

多年来，人们一直追求的目标就是压缩语音信号的传输带宽或降低电话信道的传输码率，而在实现这一目标中，语音压缩编码技术发挥着重要作用。

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After the signal is processed through a low-pass filter, a very realistic waveform is obtained which can show pulsed nature, frequency, amplitude and bandwidth of television picture signals.

并将生成信号经低通滤波器处理，从而最终得到了一个能够充分反映电视图像脉冲性、频率、幅度和带宽特点的较为逼真的信号波形。

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The maximum acquisition range can be up to one half of overall signal bandwidth.

新算法可实现的最大载波频偏获取范围是整个信号带宽的一半。

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The bandwidth ( megahertz) and spectrum position of the signal arising from television scanning.

电视扫描信号所占的频谱位置和带宽（以兆赫计）。

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This paper presents the pulse signal spectrum bandwidth using Romberg numerical integration algorithm under a certain energy wastage required. A reconstruction signal is obtained by Fourier Series, and the optimum bandwidth of the measurement system is also presented.

本文用Romberg数值积分法计算出在一定能量损耗限值要求下的脉冲信号频谱宽度，并用付氏级数对其进行了信号重构验证，据此得出了脉冲信号测试系统带宽的最佳值。

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