• 采用放大器,就必须考虑接收机烧毁电平压缩电平,采取适当措施进行校准以便提高系统测量准确度

    Use amplifiers, receivers must consider the level and burned compression level to take appropriate measures calibration, in order to improve measurement accuracy of the system.

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  • 现代功率测量中,射频脉冲峰值功率测量广泛应用于发射机的发射功率、微波接收机的灵敏度、放大器的增益等测量方面。

    In modern power measurement, the measurement of the pulse of radio power has been widely used as the transmitter power, the delicacy of microwave receiver, the plus of amplifier and so on.

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  • 由于限幅放大器具有设计简单、功耗低、芯片面积小外接元件优点本文选择限放大器形式实现接收机放大器

    The latter one was chosen to realize the main amplifier in our design since it has the features of simple topology, few external components and fast responsibility.

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  • OQPS K调制器不均衡以及放大器非线性接收机性能具有非常影响

    The OQPSK modulator imbalance and amplifier nonlinearity have a deleterious effect on the receiver performance.

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  • 调制器不均衡以及放大器非线性接收机性能具有非常大的影响

    The modulator imbalance and amplifier nonlinearity have a deleterious effect on the receiver performance.

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  • 通过计算机对接收机增益进行智能化控制,避免了放大器饱和使得采样量化误差最小。

    The smart gam-control of the receiver not only avoids the amplifier saturation, but also minimizes the discrete error.

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  • 主要用于放大器接收机、光发射机

    Mainly used in amplifier, optical receiver and optical emitter.

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  • 本文介绍了供研制开截获接收机一种宽带高增益微波固态限幅放大器的研制结果。

    The design and performances of a wideband, high-gain and low-noise microwave solid-state limiting amplifier is described.

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  • 内置的缓冲放大器陶瓷接收机开车

    Built-in buffer amplifier for ceramic receiver driving.

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  • 放大器输出施加信号检测器其中信号检测器的输出信号接收机的输出功率电平指示

    An output of the amplifier is applied to a signal detector, wherein an output signal of the signal detector is an indication of an output power level of the optical receiver.

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  • 作为接收机前端关键部分放大器要求具有高增益足够带宽以及宽的输入动态范围

    As the key component of optical receiver, design of a high-speed limiting amplifier with high gain, broadband and a wide dynamic input range is required.

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  • 接收机采用电源供电一级放大器级跟随器一个反馈电阻组成。

    It is composed of an amplifier stage, two stages of source follower and a feedback resistance, and use a single supply voltage.

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  • 前置放大器电子线路装置用来探测加强无线电接收机所发出的微弱信号,从而使其达到更加有力的增幅程度。

    An electronic circuit or device that detects and strengthens weak signals, as from a radio receiver, for subsequent, more powerful amplification stages.

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  • 前置放大器接收机前端重要组件之一直接影响接收机速度噪声灵敏度整体性能

    Preamplifier is one of the most important components in photoreceiver front-end. It directly affects the performance of light receivers such as speed, noise and sensitivity.

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  • 分布式放大器以其超宽带噪声高增益特性成为光接收机前置放大器优良选择方案。

    Distributed amplifier which has characteristics of ultra-wideband, low noise, high gain etc is a good option of photoreceiver pre-amplifier.

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  • 基于直接下变频的系统架构接收机集成了低噪声放大器I/Q下变频器、去直流偏移滤波器基带放大器信道选择滤波器

    Based on a direct-conversion architecture, the receiver integrates LNA, I/Q mixer, DC-offset removal filter, baseband amplifier and channel-select filters on a single chip.

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  • 接收机每个通道高频放大器中频放大中频采样数字正交器组成,另外还有DDS信号产生频率激励源用来形成雷达发射机所需的S波段脉冲调制激励信号。

    Each of them is composed of high frequency amplifier, intermediate frequency amplifier and sampling, digital phase uprightness intersector, DDS and the S band signal inspirator for the transmitter.

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  • 作为光接收机关键部分,前置放大器性能很大程度上决定整个接收机性能。

    The performance of a preamplifier has great effect on the performance of an optical receiver.

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  • 接收机前端放大电路主要两个关键电路构成:前置放大器放大器

    The front-end amplifier for optical receiver is made up of two important circuits: preamplifier and main amplifier.

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  • 本文论述应用最优化算法设计电视接收机放末级放大器方法。

    In this paper, the computer aided optimizing design of the video amplifier in TV set is described.

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  • 用于光纤传输系统几个功能电路中,构成光接收机前端放大电路的前置放大器放大器个关键电路

    In the building blocks of an optical transmission system, the pre-amplifier and the main amplifier are the critical parts.

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  • 光纤放大器接收机; 光发射机分配器

    Optical Receiver; CATV products; optical Transmitter; trunk Amplifier; Subscriber Amplifier; Spliter; Taps; Optical Relay;

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  • 目前无线通讯接收机可变增益放大器设计具有很高参考价值。

    These results are relatively satisfactory compared to the conventional VGA design. This provides a very good reference for the current VGA design in wireless receiver.

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  • 目前无线通讯接收机可变增益放大器设计具有很高参考价值。

    These results are relatively satisfactory compared to the conventional VGA design. This provides a very good reference for the current VGA design in wireless receiver.

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