查询词典 measuring error

A commutation error is then considered in addition to the conventional residual error to generate the innovative residual error. Such an error is applied into cost functions to derive finite impulse response and infinite impulse response filter-based adaptive algorithms for ANC applications, referred to as FxRLS/CE and FuRLS/FRE+CE algorithms, respectively. Convergence analyses based on Lyapunov stability criteria for time-varying discrete-time systems can be carried out for the FxLMS/CE, FxRLS/CE and FuRLS/ FRE+CE algorithms to ensure stability. Computer simulations and experiments demonstrate that the innovative residual error-based adaptive algorithms can free the restriction of the slow-adaptation assumption in the conventional ANC approaches.

本文中也定义一交换误差并且加入到传统残留误差行形成新残留误差来改善适应性演算法的收敛速度，使用新残留误差推导出了有限脉冲响应滤波器与无限脉冲响应滤波器之适应演算法的新适应性演算法分别为： FxLMS/CE、 FxRLS/CE 和 FuRLS/FRE+CE 演算法，并且以离散时间的 Lyapunov 稳定性准则来证明演算法的收敛性，电脑模拟与实验也显示新演算法免除以往滤波器的参数必须缓慢更新的条件。

In order to evaluate aiming error of missile on the warship or on the submarine, including the error of warship position, the error of reference azimuth and the error of transfer measurement given by the navigation system, and try to divided them from the general error, it is highly important that we estimate and evaluate missile system of mobile bedding launching.

为了评估从舰船／潜艇上发射导弹的瞄准误差，包括舰船导航系统给定的船位误差、基准方位误差及其传递测量误差，并试图把它们从总的瞄准误差中分离出来，这对于动基座发射导弹武器的瞄准精度的评价极为重要。

Using the a hand-hold GPS and wireless transmitting unit to rapidly locate the fire and determine the rate of fire spread, which also offered an indispensable way of verifying the speed of forest fire appealing. Discussing the representation and Computing Method of the simulate calculation error based on the thorough investigation of the sources of simulate calculation error. Pointing out that the speed and directional error are the root of forest fire appealing simulates error. Thus increasing the parameter of error correction is an effect way of reducing systematicsimulationerrors.

4提出了一种利用手持GPS和无线传输设备来快速测定火场位置和林火实际蔓延速度的方法，为林火蔓延模拟速度验证提供了必要的手段；对林火蔓延模拟误差的来源进行了全面分析，探讨了林火蔓延误差的表现形式和计算方法，指出了林火蔓延速度误差和蔓延方向误差是林火蔓延误差产生的根源，提出了通过增加系统误差修正参数来减少系统模拟误差的有效方法。

The monotony and extremum theory of function are applied to prove the geometrical characteristic of error hand for 2D linear segment uncertainty ε(subscript σ) model in theory. The result shows that the error hand has the geometrical shape of "larger ends and smaller middle" or "one end larger and the other smaller". The minimum width and its exact position of the error hand are calculated too. It is proved that the minimum width position of the error hand is near the end with the smaller mean square error.

运用函数单调性和极值理论，从理论上证明ε模型的误差带的几何特征；得到线元误差带不仅具有&两端大、中同小&，而且也可能具有&一端大、一端小&的几何形状；给出了误差带的最小带宽及其位置；论证了误差带的最小误差带宽的位置靠近中误差较小的一端。

Our company is a professional granite manufacturer, mainly produces various specifications and various standards and measuring plate: angle square, feet, flat feet, surveying Block, V-block, parallel rules, such as granite box measuring, components, such as: coordinate measuring machine base, the base circuit board equipment, a variety of projector base, the company's projector to enter the base in Shenzhen and the Pearl River Delta region south by customers, U.S. Products are mainly exported to Germany, Spain and China Taiwan etc. countries and regions, and Machinery Factory Qingdao outpost set up a partnership sells its products in Japan, Germany, the test of DIN, JIS, product packaging in line with international export standards, at the same time The company has advanced production equipment, one large double-housing planer Units, bridge-type cutting machine 1 Units, Units 1 rail grinder, large CNC Drilling Units 1, 5 Units Vertical Drilling Machine, 10 tons lane 2, 5 tons lane 2 Department of 3 tons lane 2, and has 2000 square meters large thermostat workshop for high-precision measuring and cutting granite, laid the foundation meter.

我们公司是一家花岗石专业生产厂家，主要生产各种规格及各种标准的平板及量具：角尺、方尺、平尺、测量座、V 型块、平行规、方箱等花岗石量具、构件，如：三坐标测量机底座，线路板设备配套底座，各种规格的投影仪基座、本公司生产的投影仪基座打入深圳及南方珠三角地区，深受客户的好评，我们的产品主要销往德国、西班牙及中国台湾等多个国家和地区，并与青岛前哨机械厂建立了合作关系，其产品销往日本，德国，检验标准DIN、JIS，产品包装符合国际出口标准，同时本公司拥有先进的生产设备，大型龙门刨床1台、桥型切机1台、导轨磨床1台，大型数控钻1台，立式钻床5台，10吨行车2部，5吨行车2部，3吨行车2部，并拥有2000平方米的大型恒温车间，为高精度的花岗石量具、量仪奠定了基础。

This paper brings up with the theory of Virtual Coordinate Measuring System. The basic theoretic models of the virtual coordinate measuring system are given. This theory of virtual coordinate measuring system makes use of the principle of Time-Space correspondence and turns the time pulses into spatial displacement. The virtual coordinate measuring system can take the place of the scale system in traditional instruments, which has the disadvantages of high cost and difficulty ofproduction.

本文同时提出并建立虚拟坐标测量系统理论；该理论从传统的测量仪器出发，将传统仪器的实物标尺系统虚拟化，克服了实物标尺系统加工制造困难，及造价高等缺点，将硬件结构简化；本文提出并建立初步的虚拟坐标测量系统模型，并在三坐标测量机上建立了一维虚拟坐标测量系统的实验模型，初步分析系统的系统误差与其随机误差源。

This paper introduces the method of simple conversion measuring and calculation for gear rack thickness with depthometer as prime measuring tool and Measuring Pin,measuring ball as auxiliary tool.

介绍了以深度尺为量具，以棒、球为辅件的齿条齿厚简易转化测量与计算方法。

Therefore, the electronic angle measurement also has code-degree angle measuring plate, grating-degree angle measuring plate and coding degree angle measuring plate combination, as well as the form of four kinds of dynamic measuring angle.

因此，电子测角也就有编码度盘测角，光栅度盘测角和编码度盘结合测角，以及动态测角等四种形式。

Engine cylinder liner of the general process of measurement are: cylinder liner according to the nominal size measuring selection, that is, sub-thousand-foot-cylinder form and quantity (including the volume of cylinder rod inserted table); installation and adjustment of measuring, that is first to adjust micrometer cylinder liner the nominal size, and then loaded card good indicator of the volume of cylinder form measuring bar and the bar card inserted in the anvil micrometer measuring bar between the seat and adjust the volume of cylinder form of extended length of rod inserted, when the dial indicator of the 1.5-2.0 cells have small hands around the amount of pre-press under lock-lock female plug, and a large dial indicator to zero adjust

发动机气缸套测量的一般过程是：根据气缸套的公称尺寸选择量具，即千分尺和量缸表；安装和调整量具，即先将千分尺调整到气缸套的公称尺寸，再将卡装好百分表的量缸表的测杆和插杆卡在千分尺的砧座和测杆之间，调整量缸表插杆的伸出长度，当百分表的小表针有1.5-2.0格左右的预压量时锁紧插杆锁母，并将百分表的大表盘调整到零

The1Hz~lMHz input measured pulse signals of the digital frequency meter can be used for measuring frequency, period, pulse width and duty ratio,etc.The test results stably display 3 seven-segment numeric tubes, and the measuring ranges may be switched over automatically. The measuring error is equal to or less than 0.1％.

该数字频率计的lHz～1MHz输入被测脉冲信号具有频率测量、周期测量、脉宽测量和占空比测量等多种用途；其测试结果由3只七段数码管稳定显示，测试量程可自动切换、测量误差小于等于0.1％。

The dissecting of samples in group2 were difficult. The root of pulmonary artery and ascending aorta failed to be unfolded because fibrous tissue was tough, right and left fibrous trigone were too firm to be solved by hand. Cardiac muscle fibers couldn't be stripped along myofibrillar trajectory since they were prone to break because of their friability.

组2的心脏解剖困难，表现为纤维组织坚韧，游离肺动脉非常困难；徒手无法松解左、右纤维三角，肺动脉和主动脉根部的游离非常困难；心肌纤维坚硬、质脆，解剖时容易断离成碎块，无法沿纤维走行方向剥离。

We have battled against the odds in a province that has become increasingly violent.

我们对在一个争夺日益激烈省的可能性。