With this scheme, a Maximum Ratio Combination of reverse signal can be applied on stratospheric platform, which brings much higher system capacity and better soft handoff performance. 应用此方案,在平流层平台上可以实现各波束接收信号的最大比合并,得到高系统容量和集成的软切换性能。
Investigate and discuss level adjustment range of the key point of reverse link, needful question of CMTS 'connection method and return path signal transmitting. 着重研究和探讨了反向链路中关键点的电平调整范围、CMTS在前端或分前端的连接方法及回传信号传输需要考虑的一些问题。
Under reverse bias if frequency of small AC signal exceeds some value, the junction capacitance of Au-Si surface barrier detector will decrease. 在反向偏压下,测试时所用的高频小信号频率超过一定值后,GM型探测器结电容测试值将下降。本文讨论了频率对CV特性影响的实验结果,并分析了其原因。
Periodic translation, wavelet shrinkage and reverse translation are adopted in their turns to de-noise the signal and eliminate the Pseudo-Gibbs phenomena. 该算法通过对信号的分段周期平移、阈值降噪、逆平移的方法实现降噪,有效地克服了常规小波阈值降噪算法带来的Pseudo-Gibbs现象。
The application of reverse effect of piezoelectric crystal is presented in this paper. The effect is used in control signal generator of spindle to get high accuracy and high resolution in hydraulic servo system. 本文提出利用压电陶瓷的逆效应制作微位移器,作为液压伺服系统的高精度、高分辨率主轴的控制信号发生器。
This paper put forward a new method of reverse γ correction which is called periodic non-uniformity signal correction. The periodic non-uniformity signal serial controls PWM counter to achieve accurate pulse wide of reverse γ correction. 本文提出的校正方法为周期性非均匀时钟方法,用非均匀脉冲序列控制脉宽调制计数器,使之产生γ校正后的精确脉冲宽度,来完成现有复杂电路才能完成的功能。
The construction of reverse transcription virus expressing vector of human immuno-costimulating signal B7-2 人类免疫共刺激信号B7-2分子逆转录病毒表达载体的构建
Study on Reverse Source of AE Source Signal Intensity 声发射源信号强度的逆源问题研究
The reverse signal flow graph analysis method on negative feedback amplifer circuits 负反馈放大电路的倒信号流图分析法
The singularity points of signal are searched by calculating Lip values. With the increase of wavelet decomposition scale, the modulus maximum values of noise changes in the reverse direction to that of useful signal and this property is used to decompose noise. 通过计算Lip指数确定信号中的奇异点,然后根据噪声和有用信号的模极大值随着小波分解尺度的增大而呈现出的截然不同的特性剔除噪声,从而实现消噪。
It is shown that the fundamental components of the reverse voltage across the bridge arms must be taken as an object to be detected if the parameter matching between the fault detector and the signal source is to be realized. 文中指出,要满足检测器与故障讯号源参数匹配,必须以桥臂反压的基波分量作为检测对象。
With the traditional reverse close-loop power control method, the transmission with large power level at a mobile station may not always ensure the sufficient improvement of signal quality and sometimes it generates severe interferences in the system, especially when the system is congested. 传统的反向闭环功率控制方法在移动台大功率发射时,并不总能保证接收信号质量,有时反而会造成大的系统内干扰。
A reverse magnetic field was added to a conventional ESR spectrometer in order to get a magnetic field scanning through zero, therefore the microwave signal of a sample at about zero field could be recorded. 通过附加反向直流磁场,使通用的ESR谱仪的磁场实现过零扫描,这样就能记录下某些材料的样品在零场附近微波信号的变化。
The methods to reverse cardiac remodeling was still deficiency in nowadays, people in the previous researches always focused on the post-translational regulation of neurohumor and signal transduction pathway in the pathogenesis of cardiac remodeling, while the research of the mechanisms of post-transcriptional control was not so much. 目前逆转心脏重构的手段仍较缺乏,之前的研究主要集中在心脏重构发病的神经体液和信号转导通路的翻译后调控,对于转录后调控的机制研究较少。
Signal analysis is a means of reasoning through the reverse analysis of signal technology. 信号分析是一项通过逆向推理手段对信号进行分析的技术。
Though classical mechanism of intercellular communication, based on one-directional signal transduction, has been deeply investigated and the concept of bidirectional signal has been established, the knowledge of reverse signal is far from elucidation. 基于单向信号传递的经典机制研究已很深入,双向信号传递机制虽已提出,但反向信号研究明显滞后。
When complete occlusion that reverse flow signal, reverse flow signal judge left anterior descending branch of severe coronary artery stenosis or occlusion of the specificity was 100%. 完全闭塞时可见逆向血流信号,逆向血流信号判断左前降支冠状动脉重度狭窄或完全闭塞的特异性达100%。
One of the reverse magnetization signal detection circuit and B are the focus. 其中磁化反向磁化电路和B信号检测是重点。
Then it takes a single chip microcomputer to control the D/ A converter, and adjusts the frequency of the marginal oscillator by changing the reverse bias to the varactor diode, and so it can realize the automatic search for the NMR signal and autotracking it. 进而使用单片机控制D/A转换器输出,通过改变变容二极管反向偏压调整边缘振荡器的振荡频率,实现共振信号的自动搜索和跟踪。