文中主要描述了信号功率谱的计算和实现方法。
The methods of computation and realization of signal power spectral density are mainly discussed.
其二是利用两两毗邻的记录道来估计信号功率谱。
Estimate the signal power spectrum from recorded traces in neighbouring pairs.
回波信号功率是影响雷达探测分辨率的重要因素。
The echo signal power is the important factor that limits detection resolution.
在其它应用中，可能需要减小传输到DUT的信号功率。
In other applications, it may be necessary to reduce the signal power to the DUT.
本文提出了在时域中快速诊断信号功率谱特征变化的方法。
A method for time domain fast diagnosis of a signal of the characteristic changes, of the power spectrum is proposed.
通过这种方式有效地去除不想要的奈奎斯特区中的信号功率。
In this way, signal power in unwanted Nyquist zones is effectively removed.
当控制策略为最小方差控制时，给出信号功率谱的具体表达式。
The used control scheme is the minimum variance control and the design constraint is the power of the process output or that of the reference signal.
并进一步分析了偏置条件和输入信号功率对副谐波牵引特性的影响。
The influence of the bias point and the input signal power on the subharmonic load pull is also analyzed in this paper.
当人体吸收的微波信号功率超过一定限值时，会对人体产生不良影响。
When the power of the microwave absorbed by body is beyond a limited value, our body will be harmed.
本文以航天运载器为例，分析了实测振动信号功率谱的低频畸变现象。
Taking the aerospace vehicle for example, the low frequency distortion phenomenon of the spectral estimation for the measured vibration signal is analyzed.
因此需要通过对信号功率进行分配、放大、合成获得更大的输出功率。
So it needs to be divided, amplified and combined in order to obtain high output power.
针对GPS信号的特点，分析了压制式干扰信号功率与干扰距离之间的关系。
According to the characteristics of GPS signals, the jamming power and effective jamming range are analyzed.
按照该方案设计的便携式峰值功率计实现了对射频信号功率的准确快速测量。
The portable true peak power meter designed according to this strategy measures RF - signal power accurately and quickly.
反射gps信号功率是土壤介电常数的函数，而土壤介电常数又和土壤湿度有关。
The reflected GPS signal as a function of permittivity relates to the soil moisture.
对已经被用二增益放大的数字接收信号进行接收和积分，从而计算接收信号功率值。
A digital reception signal which has been amplified by the second gain is received and integrated to calculate a reception signal power value.
利用光源的脉冲驱动特性，加大了瞬时信号功率，改善了光学传感器对工件表面的适应性。
The instantaneous signal amplitude can be increased due to the impulse drive characteristic of the infrared source, the adaptability to the surface condition of the workpiece can be thus improved.
脑电信号功率谱阵图计算机分析显示了一定的优越性，有望为诊断此类患儿提供客观指标。
The obvious advantages of using computer analysis may be the indexes to diagnosis this kind of disease.
给出了系统的最小可探测信号功率和可提供的参考光功率，指出了影响系统特性的关键参数。
We find out the minimum detectable signal power and the produced reference beam output. Several key factors which affect the system characteristics strongly. are pointed out.
我们研究了DPASK脉冲的解调过程以及输入ask信号功率与光信噪比代价之间的关系。
The demodulation process of the generated DPASK pulses is investigated and the relationship between optical signal-to-noise ratio (OSNR) penalty and the input ASK power is presented.
这些服务需要更高的数据速率以更高的接收信号功率等级，因此用户之间就会产生更强的干扰。
These services will require higher data rates and higher received signal power levels, thus creating larger interference between users.
针对压制干扰和质心干扰的特点，分别建立了噪声干扰模型、信号功率衰减模型和质心干扰模型。
To counter the characteristic of suppress jamming and center of mass jamming, this paper establishes the models of noise jamming, signal power attenuation and center of mass jamming.
文中还应用该仿真模型对具有不同参数的UWB信号功率谱进行了仿真，验证仿真模型的可行性。
Then the power spectral densities of UWB signals with difference parameters are simulated by the simulation model, and the feasibility of the model is validated.
因此，我们需要某些形式的功率放大器(PA)来提高来自信号源的信号功率，使其足以播放音乐。
Hence we will require some form of power Amplifier (PA) to "boost" the signal power level from the source and make it big enough to play the music.
若上述正实条件仅在某些频带上满足，则FXLMS算法的收敛将依赖于参考信号功率谱密度的分布。
But if above positive real condition is satisfied only within some frequency range, the convergence of FXLMS algorithm is dependent on the spreading of power spectral density of the reference signal.
在连接损耗、输入信号功率、泵浦功率等系统参数中，系统性能对EDFA之间的连接损耗最为敏感。
The system performance is most sensitive to the link loss between EDFA's among all system parameters.
本文介绍了使用低势垒肖特基二极管(LBSD)作为检测微波信号功率元件的微波毫微瓦功率传感器。
Microwave nW power sensor USES low barrier schottky diode (LBSD) as a component for testing the power of microwave signals.
该改进的功率输出控制电路包括检波器电路，用于将输入信号整流产生代表输入信号功率电平的DC输出。
The improved power output control circuit includes a detector circuit for rectifying an input signal to produce a DC output representing power level of the input signal.
本文主要分析偏相干分析中噪声信号功率谱的处理及声源辐射面积的大小对相干分析结果的影响这两个问题。
The paper mainly demonstrates the principles of the noise power pedigrees dispose and radiated noise areas impact in partial coherence analysis.
基于人工神经网络(ANN)理论，提出一种利用ANN来模拟信号传播延迟、载波相位、信号功率等参量的方法。
Based on the theory of Artificial Neural Network (ANN), an approach to simulate signal propagation delay, carrier phase, power, and other parameters using ANN is proposed.
仪器一般靠机械调谐腔体来改变频率，每台可覆盖一个倍频程左右，由腔体耦合出的信号功率一般可达10毫瓦以上。
General machinery equipment by tuning cavity to change the frequency of each cover an octave or so, the body cavity by coupling a signal to the general power of up to 10 milliwatts or more.
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