- 更多网络例句与放大比相关的网络例句 [注:此内容来源于网络,仅供参考]
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Actually ,signals are processed from low frequency domain to high one by modulation firstly and alternating current amplification secondly.It can also improve anti-interference抗干扰 ability of circuit and signal to noise ratio of signals.
实际中往往采用更有效的先调制而后交流放大,将信号从低频区推移到高频区,也可以提高电路的抗干扰能力和信实际中往往采用更有效的先调制而后交流放大,将信号从低频区推移到高频区,号的信噪比。
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The design includes personally fabricating Dupi surrounding voice decipherer by using ordinary electronic devices, using DC control technology in the predrive amplified circuit and applying active servo-technology to the over-loaded low voice curcuit .
本文介绍了一种新型功率放大电路的设计,利用普通元器件自制杜比环绕声解码器,将直流控制技术应用到前置放大电路,将有源伺服技术应用到超重低音电路,各具特色,LM3886功率放大芯片,功率大,效果好。
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In the current paper, a non-rigid registration method is used to analyze the difference between two grayscale ultrasonic images of the tumor before and after compression. Then, two characteristic parameters named total deformation and shrink-magnify ratio are extracted, reflecting the tumor elasticity.
本文使用非刚性配准的方法,分析加压前后两幅灰阶超声肿瘤图像之间的差异,从而提取了形变总量和缩小放大比这两个反映肿瘤弹性的特征参数。
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The driver stage function obtains enough high voltage amplification factor, as well as the output stage provides enough big drive current, for this reason, may use the belt collection electricity level altogether to shoot the amplifying circuit, its static bias current ratio input level must be big.
推动级的作用是获得足够高的电压放大倍数,以及输出级提供足够大的驱动电流,为此,可采用带集电级的共射放大电路,其静态偏置电流比输入级要大。
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However, please be noted that high sensitivity will allow the interfusion with exterior noise irrelevant to the quantity to be measured, which will be also amplified by the system. As a result, the accuracy of measurement is affected. So, the senor itself should have high signal to noise ratio, to reduce the exterior interfering signals as much as possible.
但要注意的是,传感器的灵敏度高,与被测量无关的外界噪声也容易混入,也会被放大系统放大,影响测量精度,因此要求传感器本身具有很高的信躁比,尽量减少从外界引入的厂忧信号。
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Semi-active control algorithms can make some seismic responses of bridge nodes neighboring the dampers to produce acute magnifying effect. The continuous type semi-control algorithms can mitigate the ""needlepoint"" phenomenon well because they operate the damping force more gently, and their acceleration-magnified effect are more mitigatory than that of switch type algorithms.
半主动控制算法会使得阻尼器附近桥梁结点的某些地震反应会产生剧烈的放大效应,"连续型"控制算法由于能够较为平缓地施加阻尼力,能够较好地减轻"针尖"效应,其加速度放大效应比"开关型"控制算法缓和,而采用主动控制时没有出现加速度放大效应。
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From the experiment discovered for the first time the dimethyl ether may substitute CO to take the chain-carrying agent of the peroxy free radical chemistry amplifier system, and optimized the CH_3OCH_3-NO-HO_2 chemistry amplifying system determination condition, the CH_3OCH_3 best density is 1.876 ppmv, the NO best density is 1.3ppmv, and obtained this method chain length CL=124, 5 parallel determinations densities of HO_2 are the 44.0pptv, the relatively standard deviation is smaller than 4%; Although chemistry box model computed result indicated the dimethyl ether, the ethene, the propene and the ethanol all can take the chain-carrying agent of the peroxy free radical chemistry amplifier system, and their simulation chain length all grows up compared to the CO-NO-HO_2 chemistry amplifying systems, but experiments proved the ethene, the propene and the ethanol have not suit the chain-carrying agents.
首次从实验上发现二甲醚可以替代CO作为过氧自由基化学放大系统的链传递试剂,并优化了CH_3OCH_3-NO-HO_2化学放大系统的测定条件,CH_3OCH_3的最佳浓度是1876ppmv,NO的最佳浓度为1.3ppmv,并得到了这一方法的链反应长度(CL=124),5次平行测定浓度为44.0pptv的HO_2自由基,相对标准偏差<4%;虽然化学盒子模式计算结果表明二甲醚、乙烯、丙烯和乙醇都能作为过氧自由基化学放大系统的链传递试剂,并且它们的模拟链长都比CO-NO-HO_2化学放大体系的链长大,但是实验证明乙烯、丙烯和乙醇不适合作为过氧自由基化学放大系统的链传递试剂。
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The author calculated and simulated three kinds of diffuser augmented wind turbines of eleven models under different velocities,and obtained curve pictures of enhanced ratio of flow rates and ratio of flux rate at the minimal section of DAWT.
计算不同风速时的渐扩直壁型、渐缩渐扩直壁型、渐缩渐扩前后流线型共3个类型11种不同形式的扩散器动力放大的流量比增益特性,最小截面处流量增加比率;比较不同形状、不同参数扩散器动力放大特性。
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According to the wire electrode on the trajectory of the different forms of control, WEDM can be divided into three types:* is a copy-control, cutting their lines in advance to create the shape of the workpiece and the same mode *, When the rough machining parts and die at the same time * Clamping in the machine tool table, in the process of cutting wire electrode tightly * close to the edge of model for mobile track, thus cutting out the model * with the same shape and precision to work; another One is the optical tracking control, the cutting in line before the first parts in accordance with drawings by a certain ratio of enlarge depicts an electro-optical tracking maps, drawings will be processed when the machine electro-optical tracking placed on the stage, followed on the stage The first photo has to follow the ink line graphics track movement, and then through the use of electrical, mechanical linkage to control the machine tool table work together with the relative electrode wire Xiang Sixing do sports in order to cut out the pattern and shape of the workpiece to the same; a re - Is a digital process control, advanced digital automatic control technology, machine-driven process in accordance with the geometry of the workpiece before the parameters of good pre-processing CNC automatic completion of the processing, production do not look like without drawing board also plans to enlarge, in front of more than two Control in the form of higher precision processing and broad scope of application, at home and abroad for more than 95% of WEDM have been using digital technology.
根据对电极丝运动轨迹的控制形式不同,电火花线切割机床又可分为三种:一种是*模仿形控制,其在进行线切割加工前,预先制造出与工件形状相同的*模,加工时把工件毛坯和*模同时装夹在机床工作台上,在切割过程中电极丝紧紧地贴着*模边缘作轨迹移动,从而切割出与*模形状和精度相同的工件来;另一种是光电跟踪控制,其在进行线切割加工前,先根据零件图样按一定放大比例描绘出一张光电跟踪图,加工时将图样置于机床的光电跟踪台上,跟踪台上的光电头始终追随墨线图形的轨迹运动,再借助于电气、机械的联动,控制机床工作台连同工件相对电极丝做相似形的运动,从而切割出与图样形状相同的工件来;再一种是数字程序控制,采用先进的数字化自动控制技术,驱动机床按照加工前根据工件几何形状参数预先编制好的数控加工程序自动完成加工,不需要制作模样板也无需绘制放大图,比前面两种控制形式具有更高的加工精度和广阔的应用范围,目前国内外95%以上的电火花线切割机床都已采用数控化。
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The paper begins with the analysis of measurement errors of parallelism of dovetail slots,then studies the working principle and the ratio of amplification for dial test indicator .
从分析工件燕尾槽平行度测量误差入手,深入研究杠杆千分表工作原理和传动放大比公式,讨论了产生误差的各种因素,并提出了校正误差的相应方法
- 更多网络解释与放大比相关的网络解释 [注:此内容来源于网络,仅供参考]
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voltage amplification:电压放大率
voltage 電壓 | voltage amplification 電壓放大率 | voltage comparator 電壓比較器
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current amplification:电流放大,电流比
4004. current 海流,电流 | 4005. current amplification 电流放大,电流比 | 4006. current amplification factor 电流放大系数
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current amplification degree:电流放大率
current amplification 电流放大,电流比=>電流増幅 | current amplification degree 电流放大率 | current amplification factor 电流放大系数=>電流増幅率
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Dolby Pro-logic:杜比定向逻辑环绕声
杜比定向逻辑环绕声(Dolby Pro Logic)是美国杜比公司开发的环绕声系统. 它是把四声道立体声在录制时通过特定的编码手段合成为两...商业上也有六声道和七声道的杜比定向逻辑AV放大器. 所谓六声道是将中央声道用两个放大线路输出,分别接在左中置音箱和右中置音箱上...
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Common Emitter Forward Current Transfer Ratio:射极接地电流放大率
Common Emitter Circuit 射极接地电路, 共射极电路 | Common Emitter Forward Current Transfer Ratio 射极接地电流放大率 | Common Mode Rejection Ratio 共模拒斥比
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magnifiation in depth:放大比
magnets 磁铁 | magnifiation in depth 放大比 | magnifiaton 放大误差
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magnification factor:放大系数
magnification constant 放大常数 | magnification factor 放大系数 | magnification ratio 伸缩比
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ratio estimator:比估计量
ratio 比 | ratio estimator 比估计量 | ratio of magnification 放大比
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ratio of magnification:放大比
ratio estimator 比估计量 | ratio of magnification 放大比 | ratio of similitude 相似比
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voltage amplification ratio:电压放大比
"电压放大;电压放大率","voltage amplification" | "电压放大比","voltage amplification ratio" | "电压放大器","voltage amplifier"