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- middle frequency transformer 中频变压器
- Choose the video frames with small skewness,brightness space into blocks before the discrete cosine transform,embed the middle frequency coefficients into watermarking. 选择偏斜度很小的视频帧,对亮度空间分块后实施离散余弦变换,在中频系数中嵌入水印。
- Application of PLC and Frequency Transformer to TV Studio Technology. PLC以及变频器在电视演播工艺中的应用。
- Exploiting the excellent properties of the wavelet transform and some characteristics of Human Visual System(HVS),watermark is embedded into the middle frequency suband images of the original image in DWT domain. 利用人类视觉系统 (HVS)的特性 ,定义了视觉掩蔽函数 ,实现了水印在原始宿主图像小波域中的自适应嵌入 ,从而兼顾了水印的不可见性和鲁棒性。
- Medium frequency transformer quenching is used for workpiece diathermy,quenching,annealing,brazing,etc. 中频淬火变压器用于工件的透热、淬火、退火、弯管钎焊等工艺。
- The algorithm makes the middle frequency coefficient of the host information into sequence of . 将DWT变换域的中频系数分解为一个序偶序列;通过序偶中a和b的大小关系来表示0或者1。
- The Heat-treatment reguires quenching + middle frequency inducing tempering(tension). 它的热处理制度为淬火+中频感应张力回火。
- The deposition-deoxidization behavior of de-oxidizer in middle frequency furnace was expounded. 阐述中频感应电炉脱氧剂采取插入沉淀脱氧反应的特性。
- The designing parameters of high frequency transformer and the protecting IGBT in plasma spraying inverter with high voltage and large current is analyzed in this paper. 分析了等离子喷涂逆变器在高电压大电流条件下,高频变压器参数设计和IGBT保护问题。
- The method of design high frequency transformer in half bridge inverter circuit is introduced exampled in detail,besides temperature rise and power loss are discussed. 依据一个半桥逆变电路的实例详细介绍了高频变压器设计的一般方法和步骤,并讨论变压器损耗和温升问题。
- Y-doped zinc oxide(ZYO)thin films were prepared by middle frequency alternative magnetron sputtering on glass substrates with ZYO ceramic targets. 利用中频磁控溅射法,溅射氧化锌钇(ZYO)陶瓷靶材,在玻璃基底上制备ZYO透明导电薄膜。
- The novel full-bridge mode inverters with high frequency link are constituted of high frequency inverter bridge, high frequency transformer, cycloconverter, input and output filters. 新颖的全桥式高频环节逆变器,由高频逆变桥、高频变压器、周波变换器以及输入、输出滤波器构成,包括全桥全波式和全桥桥式拓扑。
- The high frequency transformer is investigated and compared with power transformer.The high frequency transformer suited HFL inverters is designed and parameters are achieved in this paper. 本文分析研究了高频交流环节中高频变压器与普通变压器的不同并设计了适合论文需要的高频变压器的主要参数。
- High Frequence transformer Features:Large transmission power ,low loss,wide frequency range ,stable performance ,low temperature rise. 高频变压器特点:高传输功率,低功耗,工作频率宽,性能稳定,温升低。
- The characteristic values are the filter's middle frequencies and their bandwidths. 滤波器有中间频率和带宽这两个特征值。
- The novel full-bridge mode AC/AC converters with high frequency link are constituted of input cycloconverter, high frequency transformer, output cycloconverter, input and output filters. 新颖的全桥式高频环节AC/AC变换器,由输入周波变换器、高频变压器、输出周波变换器以及输入、输出滤波器构成,包括全桥全波式和全桥桥式拓扑。
- HWH middle frequence inverter,controller and PQS process monitoring system for resistance welding. 德国HWH公司中频电阻焊变频机,控制器,PQS 智能焊接质量检测系统。
- Firstly, the watermarking data are coded and replaced according to BCH.And then, the coded data and synchronization codes are embedded into the candidate middle frequency coefficients in DCT domain. 该方法先将水印信号进行BCH编码并按密钥置换,然后将编码后的数据和同步码依次嵌入到DCT块的候选中频系数中,并通过同步码来实现水印的快速随机检测。
- The company owns advanced middle frequency furnace, compound centrifugal casting machine, precise and complete metal cutting equipment and advanced and modern quality measurement and control means. 本公司拥有先进的中频电炉、复合式离心浇铸和精密齐全的金属切削设备以及先进的现代化质量测控手段,生产的合金轧辊具有辊面度高、强度大、耐磨性能好、耐热裂、抗剥落等特点。
- "Litz" wires are multiple magnet wires bundled together for use typically when winding high frequency transformers. 绞合线是将若干漆包线捆束一起使用,特别用于缠绕高频变压器。