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CMOS.Squarer.Circuit.for.Non-Coherent.UWB.Receiver
- Squaring circuits are an important building block for impulse-radio UWB non-coherent receivers. This work proposes a squarer, based on the quadratic law of saturated transistors. Such a circuit has already been proposed for lower frequency applicatio
SDR_HF
- 在软件无线电平台实现了跳频电台系统，有系统原理图和说明，对做调频系统的又很好的参考价值。-Frequency hopping radio system in the software radio platform, system schematics and instructions, a FM system and a good reference value.
5800C
- 5800C Fm芯片资料和驱动代码 技术特点： *国内首颗采用CMOS工艺的调频收音机芯片； *驱动能力强，可直接驱动耳机及放大器； *功耗低，比国外先进方案还低1mA； *频率覆盖从76M-108M的各国调频波段； *高度集成度，所需外围器件数为零； *强大的LOW-IF数字音频结构； *强大的数字信号处理技术（DSP）,实现自动频率控制和自动增益控制； *数字自适应噪声抑制 接受灵敏度高、音质出色、立体声效果优异； *支持重低音，可调式电台搜寻、柔
tiaopinshouyinduijiangjibiyesheji
- 对讲机的用途很广泛，发送原理是把音频信号转换成电信号,再通过调制之后利用特定的频率范围发送出去。 接收是利用接收器对特定的频率范围之内收到的信号通过解调之后通过扬音器发出收到的信息声音 -Radio is so widely used, principle is to send the audio signals into electrical signals, then through the modulation after the use of a particular freq
Mobile-communications-design-fundamentals2
- Revised and enlarged version that discusses how to design a mobile communications system. Comprehensively examines the mobile radio environment. Covers prediction of propagation loss, calculation and methods of reducing fades, interference, frequency
feedforward-MSK-demodulator
- A fully digital feedforward MSK demodulator with joint frequency offset and symbol timing estimation for burst mode mobile radio
AM
- AM MODULATION: It is matlab code for AM,DSBSC,SS B with carrier ,ISB, & multitone AM & their spectrum. AM is a technique used in electronic communication, most commonly for transmitting information via a radio carrier wave. AM works by varying the st
OFDM
- Orthogonal Frequency Division Multiplex or OFDM is a modulation format that is finding increasing levels of use in today s radio communications scene. OFDM has been adopted in the Wi-Fi arena where the 802.11a standard uses it to provide data rates u
OFDM_Performance_Vs_CFO
- Orthogonal Frequency Division Multiplex or OFDM is a modulation format that is finding increasing levels of use in today s radio communications scene. OFDM has been adopted in the Wi-Fi arena where the 802.11a standard uses it to provide data rates u
main
- We formulate a scheduling problem that takes into account different hardware delays experienced by the secondary users (SUs) in a centralized cognitive radio network (CRN) while switching to different frequency bands. We propose a polynomial-time
51单片机rc522 射频的程序和与电路图
- 完整的射频门禁程序源码包含rc522的驱动程序以及相应的显示程序(There had been many cases about RFID-based access control systems. In this paper, long-distance radio frequency technology was used and image-recognition technology was joined, these technologies were used to realize
1_带通滤波器
- EMI电源滤波器起到两个低通滤波器的作用:一个是衰减共模干扰，另一个是衰减差模干扰。 EMI电源滤波器能在阻带范围内衰减射频能量，而让工频无衰减，或者很少的衰减，就能通过EMI电源滤波器。 EMI电源滤波器是电子设备设计工程师控制传导电磁干扰和辐射电磁干扰的首选工具。(The EMI power filter plays the role of two low pass filters: one is to attenuate the common mode interference and t
aloha
- 纯的aloha算法，可以应用在射频识别中，考虑碰撞(Pure aloha algorithm, can be applied in radio frequency identification, consider the collision.)
VB.NETdemo
- 实现串口数据的通信，UDP数据传输。可广泛应用于物流、门禁系统、防伪系统及生产过程控制等多种无线射频识别（RFID）系统。(Communication of serial data, UDP data transmission.It can be widely used in various radio frequency identification (RFID) systems, such as logistics, access control system, anti-counterfe
stcV1.1-20100712
- RFID射频模块识别一卡通，具有其读写功能，读卡、写卡，更改卡内信息,彩色屏幕显示(RFID radio frequency module identification card, with its functional literacy, reader, writing cards, change the card information, color screen display)
s52-20100704
- RFID射频模块识别一卡通，具有其读写功能，读卡、写卡，更改卡内信息,更改卡内余额(RFID radio frequency module identification card, with its functional literacy, reader, write cards, change the card information, change the card balance)
1602
- RFID射频模块识别一卡通，具有其读写功能，读卡、写卡，更改卡内信息,在LCD屏上显示(RFID radio frequency module identification card, with its functional literacy, reader, write cards, change the card information is displayed on the LCD screen)
32PINV1.1--20100712
- RFID射频模块识别一卡通，具有其读写功能，读卡、写卡，更改卡内信息，并且可以更改卡内余额(RFID radio frequency module identification card, with its functional literacy, reader, writing cards, change the card information, and you can change the card balance)
射线追踪法
- 大气波导下，电磁波射频追踪研究，利用Matlab进行仿真(Radio Frequency Tracking of Electromagnetic Waves in Atmospheric Waveguide)
spatially_sparse_precoding
- 可以用来实现论文中的OMP算法产生基带预编码矩阵和射频预编码矩阵(Can be used to implement the OMP algorithm in the paper to generate baseband precoding matrix and radio frequency precoding matrix)