查询词典 signal

Domestic entrance, adult college entrance examination, self-examination and the examination of various institutions, some criminal elements to use cell phones to cheat; in the test set MDPB-04-based mobile phone signal isolator, can be effective in blocking the process of examination of the types of mobile phone signal transmission, because cell phone signals wit你好n the scope of the test was cut off, any test can not answer the phone, view from outside the examination room phones, text messages; can not make calls, send text messages; guarantee test the order of category 2 intermediate and 你好gh school students to use cell phone text messages during school hours in the classroom hair set edsun-2010-type devices to block mobile phone signals, through the mobile phone signal blocking devices to block mobile phone signals, the mobile phone so that students can not receive text messages, send text messages to ensure that students can concentrate on in the classroom full time in a limited guarantee that the quality of teac你好ng.

国内高考、成人高考、自学考试及各类大专院校在考试过程当中，一些非法分子利用手机做弊；在科场中设置MDPB-04型手机信号断绝器，可在考试过程当中有用阻断各类类型的手机信号的传道输送，因为手机信号在科场规模以内被隔绝，科场内的不论什么手机都无法接听、查看来自科场以外的电话、短信息；也无法拨打电话、发送短信息；包管科场秩序2类中级、高级中学学生利用手机在上学时间乱发短信在教室中设置edsun-2010型手机信号阻断器，路程经过过程手机信号阻断器的阻断手机信号的功效，使学生的手机无法吸收短信、发送短信，包管学生能够在课堂上集中精力，充分在有限的时间内包管讲授质量。

The using degree of information has close connection with the development of signal processing .traditional signal processing object system limit to the linear system of time invariability, suppose that the signal is calm .

信息的利用程度和信号处理技术的发展密切相关。传统的信号处理的对象系统限于时不变的线性系统，并假设信号是平稳的。

The present paper introduced one kind of brand-new transformer measured the warm far biography method -separate method, it has abandoned the tradition the transformer temperature signal by in the remote survey way the biography, the demonstration mentality, but is fully excavates the existing dispatch monitoring automated system the function, the scene transformer temperature signal through the self-made temperature converter, transforms with the transformer temperature correspondence discrete magnitude, far passes to through the RTU remote letter signal the dispatch monitoring end, carries on the demonstration again in the dispatch end using the monitoring software corresponding formula inversion for the warm measure.

本论文介绍了一种全新的变压器测温远传方法-离散法，它摒弃了传统的将变压器温度信号以遥测量的方式上传、显示的思路，而是充分发掘现有调度监控自动化系统的潜在能力，将现场变压器温度信号通过自制的温度变换器，转换成与变压器温度对应的离散量，通过RTU遥信信号远传到调度监控端，在调度端利用监控软件相应的公式再反演为温度量。

The power supply can acquire real time online voltage signal of electric network and input into inverting system; generate synchronous signal and effective value of amplitude signal, then become SPWM pulse by wave generating chip SA4828. High degree sinus and good anti-disturbance performed power supply inverting can be also realized.

该电源可以在线实时采集电网电压送入逆变系统，实时产生同步信号和幅值有效值信号，通过波形产生芯片SA4828实时产生和采样电压同频同步且幅值可调的正弦脉宽调制脉冲，并采用开关线性复合功率变换技术，实现高正弦度和强抗负载扰动性能的电源逆变。

For the current in the ionization chamber is not amplified, so it is hard to collect the electric signal, in this paper, a direct I/F convertor is used to convert the electric current signal into frequent signal.

由于电离室本身不对电流放大，因此信号的采集较为困难，本文另外介绍了用I/F直接变换的电路以达到信号的转换。

Fig 1 Negative control Female umbilical cord sample has no Y-specific signal after in situ hybridization with the biotinylated Y-repeated sequence DNA probe PY3.4 Fig 2 Positive control Flow-sorted male umbilical cord cells hybridized to Y-specific DNA probe PY3.4,Every cell contains a Y-specific signal Fig 3 Fetal cells sorted from maternal blood Flow-sorted cells from a pregnant woman at 20 weeks of gestation hybridized to Y-specific DNA probe PY3.4,containing a Y-specific signal Fig 4 The result of polymerase chain reaction Lane 1:male umbilical cord NRBCs sorted by FITC-conjugated anti-monoclonal glycophorin A;Lane 2:sample of 2;Lane 3:male umbilical cord NRBCs sorted by FITC-conjugated anti-CD36;Lanes 4-5:samples of 1 and 3;Lane 6:50 cells of male;Lane 7:5 cells of male;Lane 8:200ng male DNA(positive+control);Lane 9:nonpregnant female DNA(negative+control);Lane 10:ΦX174 HaeⅢ Maker,271bp:amplified band of Y-specific gene SRY;383bp:amplified band of human β-globin gene

图1 阴性对照女性脐带血标本，经与生物素标记的Y-染色体重复序列DNA探针原位杂交后未见Y-染色体特异信号图2 阳性对照分选的男性脐血细胞经与Y-特异DNA探针杂交后，每一细胞都含有Y-染色体特异信号图3 母体外周血中分选的胎儿细胞从一位妊娠20周的孕妇外周血中分选出的细胞经与Y-特异DNA探针杂交细胞中含有Y-染色体特异信号图4 聚合酶链反应结果 1：GPA-FITC单抗分选男胎脐血NRBCs；2：2号标本；3：CD36-FITC单抗分选男胎脐血NRBCs；4、5：1、3号标本；6：50个男性细胞标本；7：5个男性细胞标本；8：200ng男性DNA；9：未孕女性DNA；10：ΦX174 HaeⅢ标准，271bp：为SRY基因扩增带；383bp：为人β-珠蛋白基因扩增带内参照

This method also allow us to select the most efficient way from the bulk optical systems and available recoding methods, i.e., identifying the space bandwidth product of the input signal, the minimum size of lens apertures, the sample space and total sample number of CCD and spatial light modulator, the need of magnification before the signal passes through a SLM or when the signal reaches the camera.

通过该方法可以确定合适的加密系统和光学器件，例如输入信号的空间带宽积、变换透镜的最小孔径、空间光调制器的分辨率和像素大小、CCD的分辨率和像素大小以及入射到空间光调制器和CCD靶面上光场所需的放大倍数。

The simulation results show that the denoising effects of the three methods are all superior to that o f Fourier transform, and the influence of colored noise can be eliminated effectively by bispectrum methods. That is very i mportant for reconstructing LoranˉC signal under the condition of small signalˉtoˉnoise ratio, and also lays the fou ndation for digital LoranˉC signal processing.

仿真分析结果表明，三种方法的去噪效果都优于传统的傅氏变换法，且双谱估计能够有效地去除色噪声的影响，对于小信噪比条件下的罗兰C信号的提取和恢复具有重要意义，也为复杂环境下对罗兰C信号的数字处理奠定了良好的基础。

The present invention relates a method and apparatus for receiving signal in MIMO CDMA system, charactered in that: on transmitting side, transmit signal by at least two antennas; on receiving side, receive at least one antenna, and obtaining channel paraneters by estimation of channel, using the channel parenters and maximum likelihood principle into MIMO+CDMA system, solving the problem of receiving signal in multiple mobile environment in effect.

本发明为一种基于MIM0 CDMA的接收方法及装置，其特征在于，发射端：至少采用两个发射天线发射信号；接收端：至少采用一个接收天线接收发射天线发射的信号，并且通过对信道的估计获得信道参数，采用该信道参数和最大似然原理的步骤得到输出信号。本发明将ML原理应用于MIMO+CDMA系统中。

Bnormal MRI manifestations in all of the 20 cases with acquired hepatocerebral degeneration,in which T1WI demonstrated increased signal in hibateral lentiform nucleus (n=20),globus pallidus(n=17),surrounding mesencephalon red nucleus(n=15),and in anterior pituitary(n=4)While T2WI demonstrated no corresponding alteration in signal intensityConclusion Abnormal MR signal in the patients with acquired hepatocerebral degeneration has special features and MRI has right value for the diagnosis of this disease

全部病例均有完备的临床与MRI资料。结果：20例脑部均有阳性MRI表现，其中双侧、豆状核20例，苍白球17例，中脑红核周围15例，垂体前叶4例，表现为自旋回波序列T1WI为高信号，T2WI及FLAIR像无异常。结论：获得性肝性脑部变性的MRI征象具有特征性，MRI对该病的诊断有较高价值。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。