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  1. Android开发 — 控件的显示与隐藏 setVisibility View.VISIBLE View.INVISIBLE View.GONE

  2. 在Android中setVisibility作为显示和隐藏的属性，一般我们呢都是在代码中进行操作，例如： [code]  this.mItem.setVisibility(View.VISIBLE);[code] 其能够被设置的值有三个，分别是： View.VISIBLE    可见 View.INVISIBLE    不可见，但是它原来占用的位子还在 View.GONE  不可见，并且不留痕迹，不占位置 以上就是Android开发控件的显示与隐藏的全部内容，希望能给大家一个参考，也希望大家多多

  3. 所属分类：其它

    • 发布日期：2021-01-04
    • 文件大小：35840
    • 提供者：weixin_38747025

  1. Github-Visible-System-源码

  2. Github-可见系统 运行方式： clone后，进入到git-view-front，然后再进入gitview1.4中，然后在控制台上运行npm install，等待安装结束之后即可运行 网址： 备注： 如果访问后无法只显示导航栏，已有其他数据，则代表服务器已关闭该网站的数据访问许可。 git-view-front：前端代码git-view-back：初始代码

  3. 所属分类：其它

    • 发布日期：2021-03-11
    • 文件大小：1048576
    • 提供者：weixin_42126865

  1. Visible-light-transmission-information:课程项目库-源码

  2. 可见光透射信息 计算机网络课程项目库（未完成）内部应该包含两个程序：1。根据用户调用的信息以及自定义编码生成视频； 2。根据包含生成的视频的视频，读取出其蕴含的信息 编码方式：暂定为编码二维码的编码方式 左上，右上，左下各有三个大的定位点，用作定位图片位置。右下角一个小的定位点，用于确定图片的旋转角度 其余格子中，黑格为1，白格为0，是真正需要传输的数据。 应该还需要设置一种检验码，用于确定传输数据是否有效。（暂未想好） 使用场景： 用ffmpeg将生成的图像编码成视频1。 使用摄影工具获得包含

  3. 所属分类：其它

    • 发布日期：2021-03-08
    • 文件大小：4194304
    • 提供者：weixin_42106357

  1. Independent reflecting element interaction characterization for indoor visible light communication based on new generati

  2. Indoor visible light communication (VLC) based on next generation environmentally friendly lighting is important in energy conservation. However, at present, the efficient characterization of VLC channels, including sophisticated reflection, has not

  3. 所属分类：其它

    • 发布日期：2021-02-26
    • 文件大小：1048576
    • 提供者：weixin_38721252

  1. Omni-directional mirror for visible light based on one-dimensional photonic crystal

  2. The omni-directional reflection characteristics of one-dimensional photonic crystals composed of Ta2O5/MgF2 multi-quantum well (MQW) are studied using the transfer matrix method. An omni-directional reflector consisting of three and four Ta2O5/MgF2 M

  3. 所属分类：其它

    • 发布日期：2021-02-25
    • 文件大小：762880
    • 提供者：weixin_38698403

  1. Study on 55o, 905 nm, high reflectivity and visible range beam splitter in cemented cube

  2. This is a difficult kind of beam splitter in a cemented cube. The specification is: under angle of incidence (AOI)=55o, the reflectivity at 905 nm is no less than 85%, and in the visible range the average transmittance is 40+(-)2%, and T+R>=90%. B

  3. 所属分类：其它

    • 发布日期：2021-02-25
    • 文件大小：375808
    • 提供者：weixin_38621565

  1. Dimming control scheme based on hybrid LACO-SCFDM for visible light communications

  2. This paper proposes a hybrid layered asymmetrically clipped optical (HLACO) single-carrier frequency-division multiplexing (SCFDM) scheme for dimmable visible light communication. It designs a signal structure that combines layered asymmetrically cli

  3. 所属分类：其它

    • 发布日期：2021-02-23
    • 文件大小：1024000
    • 提供者：weixin_38752628

  1. Moving-window bis-correlation coe±cients method for visible and near-infrared spectral discriminant analysis with applic

  2. The moving-window bis-correlation coe±cients (MW-BiCC) was proposed and employed for the discriminant analysis of transgenic sugarcane leaves and --thalassemia with visible and nearinfrared (Vis–NIR) spectroscopy. The well-performed moving-window pri

  3. 所属分类：其它

    • 发布日期：2021-02-23
    • 文件大小：7340032
    • 提供者：weixin_38704701

  1. Visible auto-fluorescence in biological fluids as biomarker of pathological processes and new monitoring tool

  2. Comparative optical study of biofluids (serum, urine, hemodialysate) by concentration change of endogenous visible fluorescence substance (VFS) has been carried out. Biofluids were collected from chronic kidney diseases (CKD) patients (Pts) as well a

  3. 所属分类：其它

    • 发布日期：2021-02-22
    • 文件大小：399360
    • 提供者：weixin_38529951

  1. Online quantitative analysis of soluble solids contentin navel oranges using visible-near infrared spectroscopy and vari

  2. Variable selection is applied widely for visible-near infrared (Vis-NIR) spectroscopy analysis of internal quality in fruits. Different spectral variable selection methods were compared for online quantitative analysis of soluble solids content (SSC)

  3. 所属分类：其它

    • 发布日期：2021-02-22
    • 文件大小：3145728
    • 提供者：weixin_38634065

  1. Optical spatial modulation with DHT-based OFDM in visible light communication systems

  2. In this paper, a novel orthogonal frequency division multiplexing (OFDM) modulation scheme based on discrete Hartley transform (DHT) combined with optical spatial modulation (OSM) is proposed for visible light communication (VLC) systems. In the prop

  3. 所属分类：其它

    • 发布日期：2021-02-22
    • 文件大小：401408
    • 提供者：weixin_38578242

  1. Visible light positioning: moving from 2D planes to 3D spaces [Invited]

  2. The global navigation satellite system (GNSS) is a well-established outdoor positioning system with industry-wide impact due to the multifaceted applications of navigation, tracking, and automation. At large, however, is the indoor equivalent. One hi

  3. 所属分类：其它

    • 发布日期：2021-02-22
    • 文件大小：848896
    • 提供者：weixin_38524139

  1. A tutorial on laser-based lighting and visible light communications: device and technology [Invited]

  2. This tutorial focuses on devices and technologies that are part of laser-based visible light communication (VLC) systems. Laser-based VLC systems have advantages over their light-emitting-diode-based counterparts, including having high transmission s

  3. 所属分类：其它

    • 发布日期：2021-02-22
    • 文件大小：1048576
    • 提供者：weixin_38685455

  1. Integrating Sphere and Cuboid Channel Models for Indoor Non-Line-of-Sight Visible Light Communications

  2. Integrating Sphere and Cuboid Channel Models for Indoor Non-Line-of-Sight Visible Light Communications

  3. 所属分类：其它

    • 发布日期：2021-02-22
    • 文件大小：687104
    • 提供者：weixin_38642897

  1. Accuracy of the Point-Source Model of a Multi-LED Array in High-Speed Visible Light Communication Channel Characterizati

  2. Accuracy of the Point-Source Model of a Multi-LED Array in High-Speed Visible Light Communication Channel Characterization

  3. 所属分类：其它

    • 发布日期：2021-02-22
    • 文件大小：2097152
    • 提供者：weixin_38653040

  1. Combined spatial frequency spectroscopy analysis with visible resonance Raman for optical biopsy of human brain metastas

  2. The purpose of this study is to examine optical spatial frequency spectroscopy analysis (SFSA) combined with visible resonance Raman (VRR) spectroscopic method, for the first time, to discriminate human brain metastases of lung cancers adenocarcinoma

  3. 所属分类：其它

    • 发布日期：2021-02-22
    • 文件大小：2097152
    • 提供者：weixin_38560275

  1. Compact CMOS spectral sensor for the visible spectrum

  2. A compact single-shot complementary metal-oxide semiconductor (CMOS) spectral sensor for the visible range (wavelength 400–700 nm) is presented. The sensor consists of two-dimensional silicon nitride-based photonic crystal (PC) slabs atop CMOS photod

  3. 所属分类：其它

    • 发布日期：2021-02-22
    • 文件大小：1048576
    • 提供者：weixin_38590775

  1. Common-anode LED on a Si substrate for beyond 15 Gbit/s underwater visible light communication

  2. Visible light communication based on light-emitting diodes (LEDs) has become a promising candidate by providing high data rates, low latency, and secure communication for underwater environments. In this paper, a self-designed common-anode GaN-based

  3. 所属分类：其它

    • 发布日期：2021-02-22
    • 文件大小：2097152
    • 提供者：weixin_38650379

  1. Efficiency droop effects of GaN-based light-emitting diodes on the performance of code division multiple access visible-

  2. Efficiency droop effects of GaN-based light-emitting diodes on the performance of code division multiple access visible-light communication system

  3. 所属分类：其它

    • 发布日期：2021-02-21
    • 文件大小：1048576
    • 提供者：weixin_38683930

  1. Optical properties of AgI/Ag infrared hollow fiber in the visible wavelength region

  2. Optical properties of AgI/Ag infrared hollow fiber in the visible wavelength region

  3. 所属分类：其它

    • 发布日期：2021-02-20
    • 文件大小：243712
    • 提供者：weixin_38704284
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