MindMap Gallery Best reception of digital signals
Introduces the optimal reception of different digital signals, including statistical characteristics of digital signals, Optimum reception of digital signals, determining the best receiver for digital signals, determining the bit error rate for optimal reception of digital signals, etc.
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This organizational chart, created using EdrawMax, illustrates the hierarchical structure of the Tesla Supercharger Network team. It showcases the chain of command starting from the Chief Executive Officer (CEO) down to various department heads and their respective team members. Each individual's role is clearly defined, showing how different functions such as planning, project construction, power & energy, and operations & service are organized to efficiently manage and expand the Supercharger network globally.
This 2026 Event Countdown Calendar, specifically highlighting the Christmas countdown and created via EdrawMax, presents a detailed monthly breakdown. Each month features a grid layout with a countdown mechanism towards significant events, especially Christmas. The use of red for countdown numbers creates a striking contrast, making it easy to track the days remaining until the big event. It's a perfect tool for those eagerly anticipating Christmas and wanting to plan related activities in advance.
This 2026 Holiday Planning Calendar, crafted with EdrawMax, offers a well-organized monthly view. Each month displays a grid of dates, with major holidays clearly marked. The color-coded design, using red and blue accents, helps distinguish different months and holidays at a glance. It serves as an excellent resource for planning vacations, family gatherings, or any events around holiday periods, ensuring you can make the most of your time off throughout the year.
Best reception of digital signals
Statistical properties of digital signals
Statistical properties of noise n(t)
Statistical characteristics of received voltage r(t)
Best reception of digital signals
Total bit error rate Pe
Judgment rules
Called the "maximum likelihood criterion", it can minimize the bit error rate
maximum posterior probability criterion
Under the condition of Gaussian white noise: the maximum likelihood criterion is equivalent to the maximum posterior probability criterion
The best receiver for digital signals
Optimum receiver structure for binary known signals
Principle block diagram of the best receiver for M-ary, equal-general, and known signals:
Determine the bit error rate for optimal reception of digital signals
Best receiver error performance for binary known signals
The total bit error rate of a binary communication system
Calculation of bit error rate when P(0)=P(1)=1/2
Cross-correlation coefficient ρ
Bit error rate Pe and ρ
Bit error rate of multi-digit communication system
Best reception of phase-following digital signals
Best receiver architecture
The bit error rate of the best receiver for following signals
Best baseband transmission system
The best baseband system under ideal channel
Two conditions for optimization:
(1)H(ω) should satisfy the frequency domain condition of no inter-code crosstalk, that is
(2) Minimize the system output error probability
The best baseband transmission system consists of:
Error performance of optimal baseband transmission systems:
Optimal baseband system under non-ideal channels
optimal transmission conditions
(1) Minimize the bit error rate
(2) Eliminate inter-code crosstalk
Matched filter reception method of digital signals
Transmission characteristics of matched filter - H(ω)
It is a linear filter that can obtain the maximum output signal-to-noise ratio at the sampling time.
Impulse response of matched filter—— h(t)↔H(f)
The output signal of the matched filter - so(t)
Best receiver in the form of matched filtering
Performance comparison of actual receivers and optimal receivers
Best reception of fluctuating digital signals
Best receiver architecture
bit error rate