查询词典 sampling error

In view of this problem,a parameter extremum optimization model is developed,in which such error factors as the decaying DC components,nonsynchronous sampling and harmonics are precisely depicted.A new measuring method based on the hybrid genetic algorithmis developed to use this model for finding accurate power system parameters such as the amplitude,phase,frequency and harmonics.

针对这一问题，建立了电力参数极值优化模型，同时对衰减直流分量、非同步采样及谐波等多个误差参数加以精确表示，利用混合遗传算法对该模型进行求解，可得到准确的系统幅值、相位、频率及谐波等电力参数。

From error of trapezia quadrature and hardware design of calorimeter, we introduce sampling factor to obtain factual temperature and adopt shorter interval to perform cooling emendation.

提出以内外桶温差导致的量热系统温度变化的速度对主期测量时间进行积分的冷却校正计算模型。

From the aspect of electrical power system structure, the performance of signal sampling installment and the electromagnetic compatibility, discussed the primary factors which influence protective device reliability and the sensitive, proposed the problem of guaranteed its reliability and its sensitivity that should be adverted, had determined the active power selection selective leakage protection hardware architecture, the software computational method, and the method through the software proofread system angular error, have developed the intelligence protection system based on the AVR high speed MCU and the CAN bus.

从电力系统结构、信号采样装置性能和电磁兼容性的角度出发，论述了影响保护装置可靠性和灵敏性的主要因素，提出了保证其可靠性和灵敏性应注意的问题，确定了有功功率选线的选择性漏电保护的硬件结构、软件计算方法，和通过软件校正系统综合角误差的方法，研制了基于AVR高速单片机和CAN总线的智能保护系统。

Besides, we also prove that the local error decays exponentially as the sampling density increases.

此外还证明了局部误差随着采样密度的增加而成指数衰减。

The relation between the filter sampling time and cutting error is fuzzed.

以这样结构的滤波器来提高对剪切误差的跟踪和预测能力。

By computer simulation, the effects of the quantizing error on power measurement of the mixed sampling method are analyzed.

通过计算机仿真，分析了量化误差对混合采样功率测量方法的影响。

LT3468ES5-1 Pinout: 8-bit Resolution 1 Gsps Sampling Rate ADC Gain Adjust 2 GHz Full Power Input Bandwidth Fs = 1 Gsps, Fin = 20 MHz: C SINAD = 45 dB (7.4 Effective Bits) SFDR = 58 dBc Fs = 1 Gsps, Fin = 500 MHz: C SINAD = 44 dB (7.2 Effective Bits) SFDR = 56 dBc Fs = 1 Gsps, Fin = 1000 MHz (-3 dB Fs): C SINAD = 42 dB (7.0 Effective Bits) SFDR = 52 dBc 2 Tone IMD:-53 dBc (489 MHz and 490 MHz) at 1 Gsps DNL = 0.3 LSB INL = 0.7 LSB Low Bit Error Rate (10-13) at 1 Gsps Very Low Input Capacitance: 0.4 pF 500 mVpp Differential or Single-ended Analog Inputs Differential or Single-ended 50 ECL Compatible Clock Inputs ECL or LVDS/HSTL Output Compatibility Data Ready Output with Asynchronous Reset Gray or Binary Selectable Output Data; NRZ Output Mode Power Consumption: 3.4 W at TJ = 90 C Dual Power Supply: 5 V Radiation Tolerance Oriented Design 150 Krad (Si Measured

LT3468ES5-1引脚说明： 8位分辨率1 GSPS的采样速率ADC的增益调整2 GHz的全功率输入带宽= 1 GSPS的二恶英，翅= 20兆赫中：C的SINAD = 45分贝（7.4有效位）的SFDR = 58 dBc的二恶英= 1 GSP的，财务= 500兆赫中：C的SINAD = 44分贝（7.2有效位）的SFDR = 56 = 1 GSPS的dBc的外勤人员，财务= 1000兆赫（-3分贝财经事务）中：C的SINAD = 42分贝（7.0有效位）的SFDR = 52 dBc的2声调发展学院：-53 dBc的（489兆赫和1 GSPS的的DNL = 0.3的LSB的INL = 0.7 LSB的低误码率（10-13）在1 GSPS的非常低输入电容：0.4 pF的490兆赫）500 mVpp的差分或单端模拟输入差分或单端50Ω的ECL兼容的时钟输入的ECL或LVDS / HSTL输出兼容性数据与异步复位灰色或二进制可选的输出数据就绪输出； NRZ码输出模式下的功耗：3.4 W于温度Tj = 90 C双电源：5伏辐射性导向设计

Based on the theoretic modeling and analysis of the IF GPS signals,an accurate software simulator of IF GPS signals is implemented in Matlab/Simulink,the effects of noise, under-sampling and receiver clock error are also simulated.

在对中频GPS信号理论建模与分析的基础上，采用Matlab/Simulink构建了一种精确的数字中频GPS信号软件模拟器，考虑了噪声、欠采样以及接收机时钟误差等的影响。

A flexible buffer was placed between the over-sampler and DPLL.Not only was 10bits data recovery implemented,but also the frequency of sampling clock was reduced to 2.5 times of the data frequency.The phase verification for 10bit parallel data by DPLL increases the accuracy rate of judgment and improves the bit error rate.

通过在过采样电路和数字锁相环之间增加弹性缓冲电路，在实现10bit数据恢复的同时，使采样时钟频率减小为数据频率的2.5倍，DPLL同时对10bit并行的数据进行相位检测判断，提高了判断的正确率，使数据传输的误码率得到改善。

First, sequential tomograms of the hip are obtained from a CT scan; secondly, an accurate and automatic method is used to extract the profile of the acetabulum; thirdly, a hybrid method is utilized to gather fiducial marks on the acetabulum; fourthly, bulky error sampling points are removed. Finally, an ellipsoid fitting method is used to fit the ellipsoid model of the femoral head. Two male sufferers with different necrosis extents are chosen as experimental subjects for contrastive simulation.

首先利用一种精确的自动分割方法在髋骨部位CT序列图像中提取髋臼轮廓；然后使用基于等距栅格采样法与辐条式采样法相结合的混合采样法得到髋臼凹面的空间坐标点集，并剔除其中的误差采样点；最后采用基于二次曲面一般方程的方法拟合原始股骨头椭球面模型。

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。