(Case No. 6907)MODULATING SIGNAL AND CARRIER\nSIGNAL GENERATING CIRCUITABSTRACT OF THE DISCLOSURE\nA low frequency modulating signal and a high frequency\ncarrier signal circuit employing a twin-T oscillator having an\nintegrated circuit operational amplifier for producing the modu-\nlating signal and...
An amplitude-modulated generator includes a phase dividing circuit having a transistor which receives a modulating signal. The transistor is capable of generating from its emitter a first signal matched in phase with the modulating signal and from its collector a second signal opposite in phase with...
Keying means the modulating signal takes one of a specific number of values at all times. Carrier Signal The satellites continuously broadcast electromagnetic signals in the L-band, which is used for radio communication. Each satellite transmits two sinusoidal carrier signals, L1 and L2, with ...
The invention discloses a carrier synchronizer for demodulating low signal-to-noise ratio burst signals. The carrier synchronizer comprises an input cache module, an initial frequency deviation estimation module, a frequency deviation partition preset module, N two-way capture tracking modules, N unwrap...
Spread spectrum signal demodulating method and apparatus.A spread spectrum signal demodulating method whereby spread-code synchronous acquisition and carri... 被引量: 0发表: 0年 Method and apparatus for demodulation and power control bit detection in a spread spectrum communication system A receiver ...
signal and reproducing the data signal comprises an arrangement (see Fig. 1A) in which the carrier wave is defined into a plurality of blocks and all the cycles but one at least within each block are subjected to amplitude modulation, and a demodulator (see Fig. 2A) for reproducing the ...
Spread spectrum communication system and transmitter-receiver A spread spectrum communication system for performing spread spectrum communication by superimposing a pseudo noise signal on a transmitted signal. The system comprises traffic detecting means for detecting the traffic of the transmitted... T Yama...
A carrier includes a tray for accommodating a data storage device, a bracket fixed to the tray, a retaining member pivotably attached to the bracket at a first end of the retaining member, a lever member pivotably mounted to the bracket, and a first resilient member located between the reta...
carrier signals are supplied and correcting the amplitude of envelope of a modulated signal accordant with the modulating signal that is supplied to every ... M Rossano,ロツサーノマルケザーニ,CJ Xavier,... 被引量: 0发表: 1998年
We introduce a blind algorithm for the joint estimation of symbol timing and carrier frequency offset in pulse shaping OFDM systems. The proposed estimator... Helmut Bolcskei - Acoustics, Speech, & Signal Processing, on IEEE International Conference 被引量: 672发表: 1999年 加载更多0...