The signal average method was used in order to increase the S/N ratio, and the optimum sweep time and average times were experimentally determined.
为了提高信噪比,采用了信号平均技术,并通过实验确定了最佳采样时间和平均次数。
The simulation program of digital signal average experiment has been written with MATLAB, It is simple and the result of the experiment is reliable.
用MATLAB语言编写了数字信号平均实验的模拟程序,该模拟方法简单,实验结果可靠。
At the same time the paper studies the relation between the rotational speed and critical knock intense calculated with ion current signal average energy.
同时还给出了基于离子电流信号的临界爆震强度与转速之间的关系。
The fact that prices are still well above their 2006 average, even in a recession, suggests that the spike of 2008 did not signal a mere bubble-but rather, a genuine mismatch of supply and demand.
即使在萧条时期价格都远高于2006年平均水平的事实说明2008年价格的飙升暗示的不仅仅是泡沫—而是供需的不协调。
For most existing protocols, you have to average these bounces to try to find the signal you really want.
对于大多数现有的协议,你必须计算反弹的均值以尝试找到你真正想要的那个信号。
The value of such forecasts is not to be judged by their average record over several years, but by whether they signal problems and opportunities in advance of turning points.
这种预测的价值,并非体现在多年的平均记录,而是体现在能否在转折点之前显示出问题与机会的迹象。
Yet a falling ROIC can also signal opportunity if an investor believes a company is ready for a rebound to something like an average return on capital.
但一个下降的ROIC也可以是买入的信号,如果你相信这家公司的资本收益即将触底反弹。
Its advanced current sensing circuitry employs sample and hold methods to provide a precise average current signal.
其先进的电流检测电路采用采样和保持方法,以提供精确的平均电流信号。
This paper describes the signal characteristic in optical fiber communication systems, and the way to set the signal levels appropriately for the minimum average error rate.
本文阐述光纤数字通信中部分响应信号的特点,和适当地设置信号电平使平均误码率达到最小的方法。
These figures, up from an average increase of only 52,000 over the previous six months, may signal a thaw in hiring conditions.
这些数字高于今年前6个月只有52,000的平均增长速度,这可能预示着就业形势的解冻。
These figures, up from an average increase of only 52, 000 over the previous six months, may signal a thaw in hiring conditions.
这些数字高于今年前6个月只有52,000的平均增长速度,这可能预示着就业形势的解冻。
The preceding method is uses the signal in the frequency range energy distribution trick recognition goal, the actual test obtains approximately 83% average recognition rate.
前一种方法是利用信号在频域的能量分布特征识别目标,实际测试取得约83%的平均识别率。
After a valid Signal is found, it shows your current position and average position, satellites in use and view.
找到一个有效的信号后,它显示了您当前的位置和平均位置,在使用和查看卫星。
Channelization code management can increase the throughput, decrease the blocking probability of call setup requests, and reduce the signal Peak to Average Power Ratio (PAPR) in 3g systems.
合理的信道化码资源管理策略设计可以提高3g系统的吞吐量、降低用户的呼叫阻塞率和降低信号的峰平功率比。
The time domain average method is an efficient method to extract period components from the signal mixed with noise.
时域平均法是从混有噪声的信号中提取周期性分量的最有效方法。
Obviously, the dynamic threshold is to use quasi-peak level that, while the signal to noise ratio is expressed with the quasi-average levels, and the difference is obvious in.
显见,动态阈是用准峰值电平表示,而信噪比则是用准平均值电平表示的,两者的区别是显而易见的了。
Through the filter experiment on the actual sampling signal, and compares with the common average filter algorithm, it proved the wavelet analysis algorithm has better filter effect.
通过对红外水分仪实际采样信号的滤波试验,并与一般平均滤波算法相比较,证明其具有更好的滤波效果。
The average life of oxygen vacancies in quartz from sediments were estimated using ESR signal intensity of E' centers by thermal activitation technique.
采用热活化技术,用E’心的电子自旋共振信号估算出沉积物中石英氧空位心的平均寿命。
The method that combine the cumulative average and multi-resolution analysis in wavelet transform was presented which can de-noise the weak signal collected from the sensor.
提出了对传感器采集到的微弱信号进行累加平均和小波变换中的多分辨率分析方法相结合去噪。
The handoff criteria are based on absolute and relative signal strengths. The performance criteria are the average number of handoffs and the average handoff delay.
这种交换标准是建立在绝对和相对信号强度基础上的,其性能指标即平均交换量和平均交换延迟。
This paper deals with the closed form recursive estimation for parameters of almost periodic moving average (APMA) signal using higher order cyclic statistics.
本文利用高阶循环统计量讨论几乎周期滑动平均(apma)信号参数的闭式递推估计。
An optimal algorithm based on partial transmit sequences (PTS) for reducing the peak to average power ratio (PAPR) of orthogonal frequency division multiplexing signal is presented.
提出了一种基于分割传输序列(PTS)改善正交频分复用信号峰值平均功率比(PAPR)的优化算法。
An optimal traffic signal splits in isolated intersections is presented, the optimal ratio of green are determined by searching the minimal average queuing platoons.
通过寻找最小平均排队车长,确定最佳绿信比,提出了孤立交叉路口的信号控制策略最优化的算法。
A detection method for weak signal with coherence average is presented, and the principle of cross-correlation detection is introduced.
提出了采用相干平均法提高信号的信噪比并检测微弱信号的方法,介绍了相关检测的原理。
So we make the frequency of the linearization signal change with the frequency of the missile's autogiration. Then the linearity of the average control force can be improved.
因此,让线性化信号频率随弹旋频率的变化而变化,从而改善平均控制力的线性度,提高控制精度。
In this paper we introduced the speech signal feature parameters, the speech signal feature parameters selection, and introduced short-term energy, short-term average range extraction.
本文对语音信号特征参数、语音信号特征参数的选择进行了介绍,并介绍了语音信号的短时能量、短时平均幅度的提取。
On account of the average current control chosen in the APFC system, a large signal dynamic BUCBB model is built and all the switching elements replaced by dependent sources.
由于变换器工作在平均电流控制的APFC系统中,本文建立了BUCBB变换器的大信号动态模型,并将BUCBB变换器中的开关元件用受控源代替。
The paper introduces the principle of multi-point average method and prove the method applicable and feasible according to the application of standard signal and practical signal in engineering.
介绍了多点平均方法的原理,以标准信号和工程实际信号的应用研究验证了所述方法的实用性和可行性。
Based on the definition of the average ambiguity function, the numerical expression of the average ambiguity function for the RPPM pulse doppler radar signal is derived in this dissertation.
本文从平均模糊函数的定义出发,推导了随机脉位调制脉冲多普勒雷达信号的平均模糊函数解析表达式。
Improving measurement accuracy of low level signal is studied using RF attenuation, resolution bandwidth, video bandwidth, and video average.
研究了利用频谱仪射频衰减、分辨带宽、视频带宽和视频平均的方法,提高和改善低电平信号的测量精度。
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