可控震源具有分辨率高、频率范围选择自由、能量频谱有一定可控性等优点。
The excellence of portable high-frequency vibroseis (PHV) mainly lies in high-resolution and free choice of sweep frequencies.
由于电磁场的量子化效应，电磁系统发射有限能量的电磁场，其频谱必有一高频率上限。
Due to the quantization of electromagnetic fields there is an upper frequency limit in the spectrum of any finite energy transmitted by an electromagnetic system.
频谱的特性可用频率、波长或能量三个基本参数中的任何一个来表示。
Specific regions of the spectrum can be identified by any one of three basic parameters: frequency, wavelength, or energy.
在频谱感知中，我们使用能量检测的方法，发现半投票准则是最优的融合准则。
We focus on energy detection for spectrum sensing and find the optimal fusion rule which is the half-voting rule.
以补偿增强后信号的能量损失和频谱失真为目的，浅谈了几种语音补偿可实现的算法及设想。
And to compensate the enhanced signal's energy loss and spectrum distortion, several reasonable schemes of Speech compensation are touched upon in the paper.
分析了认知无线电网络中使用能量检测器进行频谱检测的性能。
We analyzed the performance of spectrum sensing with energy detector in cognitive radio network.
意思就是说一个电子斩波器将负载调制，它会传递能量给频谱的另一部分。
What this means is that an electronic chopper, which translates energy to a different portion of the frequency spectrum, modulates the load.
结果表明，W - O方法得到的信号频谱比传统加窗具有更少的旁瓣干扰和更高的主瓣-第一旁瓣能量比。
Result indicates that the spectrum gained from using W-O way comprises much fewer side lobes and achieves higher energy ratio of main lobes to the first side lobe.
利用被动声纳目标辐射噪声特征主要集中在低频部分的特点，结合听觉系统识别声音信号的原理，提出了一种被动声纳目标临界频带频谱能量的特征提取方法。
By studying the principle of hearing system in identification of sound signal, a method of feature extraction for passive sonar target based on critical band spectrum energy is proposed.
这种系统能根据切削力及频谱能量的变化，有效地在线监测刀具工况。
By the system, the cutter working condition on-line measurement and test can be made effectively on the basis changes of cutting force and spectral power.
本文从强震持时、频谱特性和能量分布峰态系数等三个方面对地震地面运动规律进行综合分析，提出了一种较为客观的地震地面运动分类方法。
In this paper, the law of earthquake ground motion is analyzed comprehensively by taking account of duration, frequency characteristic and peak index of energy distribution.
它具有提高连接性能和能量效率、提高网络覆盖率、提高频谱效率、增加网络容量等优点。
It has increased connectivity and energy efficiency, improved network coverage, increased spectral efficiency and increased network capacity and so on.
分别从声波频谱，声波能量，峰值频率，以及幅值等方面对管道内为单相气体和两相流体两种状态下的声波信号进行了研究。
Studied two conditions of acoustic signals when it was single-phase gas and two-phase flow in the pipeline from sound spectrum, acoustic energy, peak frequency and amplitude.
通过对典型供电波形频谱结构的研究，认为各频率成份能量相等的波形是最佳波形。
We conclude through our research on the energy spectrum of typical transmitting wave - form that the best wave - form is the one for which the energy of each frequency component is equal.
其中频谱的非零频率信息可提取噪声能量，频谱的零频率信息可提取信号能量。
Then, noise energy can be abstracted from the nonzero frequency information of the spectrum, and signal energy from zero frequency information.
用彩色能量图显示低速血流，用脉冲多普勒寻找高舒张期低阻力滋养动脉血流频谱。
The blood flow frequency imaging of peritrophoblastic artery flowing was searching by pulse Doppler, it was high extending flow and low resistance.
与频谱分析法相比，它不需要进行乘法运算，因而处理速度快，分析结果与信号能量无关。
Unlike spectrum analysis, without multiplication, the processing is made at high speed, its results have no connection with power of the signal.
在频谱分析和能量曲线分析的对比中，数字检波器的性能也高于模拟检波器。
The performance of the digital sensor is better than the traditional geophone during the spectrum and energy analysis of both data.
叶绿素的工作是吸收太阳光的有用频谱的能量。
The chlorophyll's job is absorbing the energy from the useful spectrums of sunlight.
但该编码在提高信号能量的同时，展宽了频谱。
The cost of carrying more energy is that the frequency spectrum is widened.
将网络流量分解到不同的频段，根据高频段频谱能量，即小波方差的变化对网络流量异常进行检测。
Network traffic is broken down into different frequency, and anomaly change of network traffic is detected through the high-frequency power analysis, that is the change of wavelet variance.
观察分析其二维声像图、彩色能量图及脉冲多普勒频谱特征。
The characteristics of the 2 dimensional echogram, the color Doppler energy imaging and pulsed 2 wave Doppler ultrasound spectrum were studied.
文章在分析数字音频水印同步性的基础上提出了一种结合音频倒频谱系数和以音频能量特征决定数字水印嵌入位置的数字水印方法。
This paper gives a new method for digital audio watermarking which uses audio cepstrum domain and energy features to decide the location of embed frames.
地震动的频谱特性和震源机制是影响能量谱形状的关键因素。
Further, the frequency content characteristics of ground motions and source mechanism are key factors for the form of energy spectra.
而既然波的频谱是无限的，这意味着辐射出的总能量必须是无限的。
Now since the number of waves a second is unlimited, this would mean that the total energy radiated would be infinite.
对于非简谐阱，这种激发具有能量选择特性，它又取决于电流噪声的频谱分布。
For anharmonic trap, this excitation has energy-selective characters, and depends on the frequency spectrum of the current noise.
功率谱密度不论水淹程度如何，整体为一随频率增大其能量按指数递减连续频谱；
The density of power spectral entropy, on the whole, is an exponential decline curve with frequency augmentation without reference to water flooded extent.
频谱感知是认知无线电研究的关键技术之一，能量检测法是典型的频谱感知方法。
Spectrum sensing is one of the key technologies in cognitive radio and energy detection is a typical method of it.
频谱感知是认知无线电研究的关键技术之一，能量检测法是典型的频谱感知方法。
Spectrum sensing is one of the key technologies in cognitive radio and energy detection is a typical method of it.
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