调制部分实现CPFSK调制,对传统的DDS技术进行改进,使其数字部分的杂散性能改善且具有较低的相位连续误差。
For the modulation part of the design, traditional DDS technology is improved to implement CPFSK modulation. As a result, the performance of spur and error of digital part are optimized.
量子测量中精度的标准极限,源于与可计数离散粒子,而不是连续量相关的统计误差。
The standard limit on the precision with which a quantum measurement can be carried out is due to the statistical error associated with counting discrete particles rather than continuous quantities.
每一转换器都具有误差遥测特性和各种故障保护特性,包括连续的短路保护(自动恢复)输出特性。
The unit includes remote error sensing and numerous fault protection features, including continuous short circuit protection (with automatic recovery), output.
这种误差来源和不确定性包括燃除效率差异、燃除的判断错误、不连续的采样、以及像雪花反射那样的环境影响。
These sources of error and uncertainty include variations in flare efficiency, mis-identification of flares, non-continuous sampling, and environmental effects like snow reflection.
但是应该记住,这是连续中心后低点在理论上是可以随意间隔如此之低的模式预测受到较大的误差。
However it should be kept in mind that the successive center post lows are theoretically allowed at random intervals so low pattern projections are subject to large errors.
最后还提出了一种结合最小均方误差(MMSE)检测的连续干扰抵消(SIC)方案,其性能好于单一的SIC和MMSE检测器。
Finally, a successive interference cancellation (SIC) scheme is proposed combined with minimum mean square error (MMSE) detection. Its performance is superior to simple SIC or MMSE detector.
条件的影响是有匹配样本的连续调查特有的计量误差来源。
Condition effect is an important source of non-sampling error in continuous surveys with matched samples.
给出一种以频率调制连续波(FMCW)技术为基础的进行无接触、无累加误差和较大动态范围距离测量方法。
Based on linear frequency modulation continuous wave (FMCW) technique, we have developed a distance measurement method for non contact and non integrating error measurement.
本文对磨光函数的连续形式及离散形式给出了各阶导数的误差估计。
In this paper, error estimations on the derivatives of finite orders for continuous and discrete forms of smoothing functions, are given.
结合激光技术与现代电子技术,提出一种能够实现非连续回转面径向跳动误差检测的非接触检测方法。
Connecting with Laser technology and modern electronic technology, this paper advances a non-contact detection technology of discontinuous gyration surface's radial jumping error.
连续波雷达是目前外火箭轨道测量的主要高精度设备,用数学方法估计和修正其系统误差有特别重要的意义。
The continuous wave radar is the main tracking equipment for trajectory observing at present. Estimation and calibration of system errors have important significance.
针对废水连续不稳定的排放状态,讨论不同采样方法下核算污染物排放总量的误差。
Considering the successive and unsteady emitting status of waste water, the errors of calculating pollutant discharge gross quantity for each of various kind of sampling methods were discussed.
本文针对居民生活用水实施阶梯水价下双误差项的需求函数模型——离散连续选择模型进行了讨论,并给出了R包下的仿真算法和程序。
The paper discusses the two-error model demand function in ladder-like water pricing of residents living water usage—discrete continuous model, and proposes its algorithm and program in R package.
提出了一种新的惯导误差系数标定方法———连续自标定自对准方法。
This paper presents a new continuous self-calibration and alignment technology of inertial navigation platform.
目前广泛采用的人工插杆目测误差大、不便于连续监测且不利于自动化测量程度的提高。
Currently widely used artificial plunger visual error, it is not convenient for continuous monitoring and not conducive to the improvement of automated measurement of the degree.
为了分析GIS图上地理曲线的定位精度,首先探讨地理曲线的表达与定位误差,区分“数字曲线”和“连续曲线”两个概念;
To analyze positional accuracy of geographical lines in GIS, this paper begins with a discussion on the representation and positional errors of linear features.
与传统的误差扩散法相比,使用这种算法输出的半色调图像更清晰,色调更连续。
Compared with standard error diffusion, the image using this algorithm has more explicit output and more continuous tones.
论文研究的是非连续回转面径向跳动误差测量中的数据处理问题。
This article is about the research on the data processing problem of measuring the radial jumped error of discontinuous gyration surface.
本文解决了参数未知、具有非结构性未建模误差和有界恒定扰动的一类线性连续系统的自适应控制问题。
This paper proposes a robust adaptive pole placement control scheme for continuous time systems with bounded disturbances and unmodeled dynamics.
采用该算法可以方便地测量多频连续波雷达系统的零距离,提高雷达系统的测距精度,减小测距的系统误差。
Using this algorithm, the zero range in CW radar can be measured conveniently with range accuracy improved and range system errors decreased.
最后还提出了一种结合最小均方误差(MMSE)检测的连续干扰抵消(SIC)方案,其性能好于单一的SIC和MMSE检测器。
Finally, a successive interference cancellation (SIC) scheme is proposed combined with minimum mean square error (MMSE) detection. Its performance is superior to simple SIC or MM...
最终得到的空间曲线能达到曲率连续。对该方法的误差进行了分析,数值例子显示插值效果较好。
The space curves finally obtained are shown to be curvature continuous. The error estimation of this method is also…
最后还提出了一种结合最小均方误差(MMSE)检测的连续干扰抵消(SIC)方案,其性能好于单一的SIC和MMSE检测器。
Finally, a successive interference cancellation (SIC) scheme is proposed combined with minimum mean square error (MMSE) detection. Its performance is superior t...
提出了运动优化的方法,通过预设传动误差抛物线函数,使齿面啮合时运动误差和不连续性减至最小。
The motion optimization method is proposed, by which transmission errors anddiscontinuousness of tooth surface meshing is decreased to minimum.
有效地克服了由精馏塔变量的不连续性所引起的模型误差,显著地提高了数学模型的准确度。
The discontinuity of state variables caused by feeds and side draws was thoroughly eliminated, therefore the accuracy of the resulting model was significantly improved.
根据连续寻北的工作原理,建立连续寻北的数学模型,并对影响寻北精度的几个因素进行了误差分析。
The mathematical model of continuous north-finder is established according to the working principle of continuous north-finder. The error factors that effect the north finding accuracy are researched.
对两圆弧法绘制叶片平面投影图中相对液流角的计算误差会造成叶片不连续问题提出修正;
The problem that can be likely the lamina incontinuity is resolved, which is induced by calculating error of relatively liquid angle in the drawing lamina plane by two arc.
基于误差反向传播的机制,针对连续制造过程的预测与控制,提出多层神经网络的逐个样本学习算法。
A one-by-one learning algorithm for multi-layer neural network modelling is presented based on the back-propagation mechanism of network error.
基于误差反向传播的机制,针对连续制造过程的预测与控制,提出多层神经网络的逐个样本学习算法。
A one-by-one learning algorithm for multi-layer neural network modelling is presented based on the back-propagation mechanism of network error.
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