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simplex_wireless_calling_system
- 单工无线呼叫系统分发射和接收两大部分。发射部分采用锁相环式频率合成器技术， MC145152和MC12022芯片组成锁相环，将载波频率精确锁定在35MHz，输出载波的稳定度达到4×10-5，准确度达到3×10-5，由变容二极管V149和集成压控振荡器芯片MC1648实现对载波的调频调制；末级功放选用三极管2SC1970，使其工作在丙类放大状态，提高了放大器的效率，输出功率达到设计要求。接收部分以超大规模AM/FM立体声收音集成芯片CXA1238S为主体，灵敏度、镜像抑制、信噪比等各项性能指标均达
SXB
- 附录G 三相智能电能表电力载波通信模块V1.0-Appendix G-phase intelligent energy meter power line carrier communication module
GDW-PLCModem
- 国网一代 单相三相电表载波模块GDW-PLCModem说明-State Grid generation of single-phase three-phase meter carrier module GDW-PLCModem Descr iption
BWP10A_shuoming
- 单相电力线载波调制解调器（BWP10A载波模块）产品说明书。-Single-phase power line carrier modem (BWP10A carrier module) Manual.
Carrier-Recovery
- 本论文详细了关于载波恢复的锁相环原理，可以借鉴下，讲的不错-Of this thesis in detail on the carrier recovery phase-locked loop principle, can learn from the next, talking about good
Carrier-Overlapping-PWM-methods-for-three-phase-D
- Carrier Overlapping PWM methods for three phase Diode clamped five level Inverter
16QAM
- 针对此,笔者详细介绍了16QAM差分 调制解调的原理,并通过接收端解码电路相应的运算规则消除了频偏和相偏的影响,免除了复杂的 载波和相位同步,降低了QAM接收机的复杂度。-For this, the author describes the detail of the principle of 16QAM differential modulation and demodulation, and by eliminating the frequency deviation and pha
cycle-slip
- Cycle Slip Detection, A new method for correcting carrier phase cycle slips in single-frequency GPS signal is presented. Peking University
Cycle-Slip-correction
- Cycle Slip Detection and Correction of GPS Carrier Phase, In order to attain high precision positioning and navigation results with GPS, cycle slips must be correctly detected and repaired at the data preprocessing stage. Based on the character
analisa
- This model shows the implementation of a QPSK transmitter and receiver. The receiver addresses practical issues in wireless communications, e.g. carrier frequency and phase offset, timing offset and frame synchronization. The receiver demodulates the
simulink
- Binary Frequency Shift Keying (BFSK), the frequency of a constant amplitude carrier signal is switched between two values according to the two possible message states (called high and low tones) corresponding to a binary 1 or 0.Depending on how the f
t
- Binary Frequency Shift Keying (BFSK), the frequency of a constant amplitude carrier signal is switched between two values according to the two possible message states (called high and low tones) corresponding to a binary 1 or 0.Depending on how the f
autorun
- Binary Frequency Shift Keying (BFSK), the frequency of a constant amplitude carrier signal is switched between two values according to the two possible message states (called high and low tones) corresponding to a binary 1 or 0.Depending on how the f
Athan
- Binary Frequency Shift Keying (BFSK), the frequency of a constant amplitude carrier signal is switched between two values according to the two possible message states (called high and low tones) corresponding to a binary 1 or 0.Depending on how the f
Pseudo--Random-Code-Delay
- 利用扩展卡尔曼算法( EKF)对高动态直接扩频信号的载波相位和频率进行了估计,并利用载波辅助技术测量载波相位的变化值来 校正伪码延时环,减小多普勒频移对伪码延时的影响,得到了精确的延时估计值,提 高了伪码延时锁定环的动态跟踪性能.-The PN delay loop is adjusted through measuring the varied value of carrier phase with carrier aiding technology. The effect of Do
GPS
- GPS整周模糊度解算方法探讨,研究了整周模糊度的确定和载波相位测量中的关键问题-GPS integer ambiguity solution method discussed, studied and carrier phase measurements to determine the integer ambiguity of the key issues
wudianping
- 利用载波移相调制产生pwm波，驱动开关管，实现五电平- Using carrier phase shift modulation to generate PWM wave, drive the switch tube, realize the five level Using carrier phase shift modulation to generate PWM wave, drive the switch tube, realiz
short-baseline-RTK
- Application of carrier phase constraint integer ambiguity in short baseline RTK
BD--dynamic-positioning-
- Beidou system carrier phase differential dynamic positioning method _ Zhu Huizhong
bin
- 载波相移调制策略下的H桥级联型多电平逆变器的MATLAB仿真(H bridge cascaded multilevel inverter under carrier phase shift modulation strategy)