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张课程设计
- 三点式振荡器是指LC回路的三个端点与晶体管的三个电极分别连接而成的电路，如图4-1（a）所示。图中三个电抗元件X1、X2、X3构成了决定振荡频率的并联谐振回路，同时也构成了正反馈所需的反馈网络。从相位条件看，要构成振荡器，必须满足： (1)极相连的两个电抗X1、X2性质相同。 (2)X1与X2、X3的电抗性质相反。-three-point refers to LC oscillator circuit with three transistors endpoint of three electr
digital_frequency_meter
- 基于AT89S52和LCD1602的简单数字频率计，测量范围在0.2Hz到500kHZ之间，精度随频率有所变化。压缩包内包含Keil环境下的C语言源代码，以及Proteus仿真文件-Based on AT89S52 and LCD1602 a simple digital frequency meter to measure the range of 0.2Hz to 500kHZ between the precision with frequency change. Compressed p
zhendongxinhaobianhuanfa
- 该文借助振动信号模型直观地阐明瞬时频率的物理意义 引出固有模态的概念及其应满足的条件。 -The model with vibration signals directly to clarify the physical meaning of instantaneous frequency leads to the concept of intrinsic mode and its conditions should be met.
OFDMforWirelineLogging
- 常规的单载波调制技术在带宽有限的测井电缆上的低传输速率制约着成像测井技术的发展。在分析测井 电缆传输特性和 OFDM 技术原理的基础上 ,设计了一种基于 OFDM 技术的测井电缆高速数据传输系统 ,并介绍了 基于 OFDM 技术的测井电缆高速数据传输系统的参数设计和工作原理 ,给出了不同长度测井电缆上的测试结果。 电缆实测结果表明 ,在 7 000 m长的测井电缆上 ,基于OFDM 技术的测井电缆高速数据传输系统可获得900 kbit / s 以上的数据传输速率和低于 5E28
freq_meter
- Frequency meter Verilog implementation for Xilinx XC2C256. MT10T7 7-seg LCD used for output.
frequency-meter-using-micro-controler
- frequency meter using micro controler file content: c code to program ATMEL microcontrolers simulation circuit in proteus
s03-1
- Frequency response of Multimode (MM) fibers beyond the baseband is studied both theoretically and experimentally. It is shown that in the absence of mode group mixing there are relative flat passbands suitable for transmission in such fibers
ieep1.3
- 10-b 50-MHz digital-to-analog (D/A) converter is presented which is based on a dual-ladder resistor string. This approach allows the linearity requirements to be met without the need for selection or trimming. The D/A decoding scheme reduces th
yinfengshuadan
- 本EA属于趋势类高频刷单系统，也是目前最常见最成熟的类型。能根据市场行情和预先设定好的策略来进行入场操作，只要符合开仓/平仓条件就会立即开仓/平仓操作。该EA为高频交易类型，会有很高的回报率，使用者在实盘交易前需要熟悉EA的使用方法和风险。(This EA belongs to trend type high frequency brushing system, and is also the most common and mature type at present. Entry opera