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Research Assignments by Hamza Saeed Khan

The Characteristics of Fragmentation, Neutrons and Gamma Rays from Fission, 2021

The Characteristics of Fragmentation, Neutrons and Gamma Rays from Fission

5. Least Squares for Data Fitting numerical computation, 2021

5. Least Squares for Data Fitting numerical computation

3. Numerical Computation using Simpson's rule, 2021

3. Numerical Computation using Simpson's rule

Numerical Computation Linear System, 2021

Numerical Computation Linear System

1. Numerical Computation Root Finding, 2021

1. Numerical Computation Root Finding

Curve Fitting Techniques, 2021

Curve Fitting Techniques_FinalReport

Digital signal processing assignment for bachelors, 2019

Digital signal processing assignment for bachelors

Reactor physics subject assignment 01

A system of nonlinear equations , 2017

A system of nonlinear equations

CSS, 2020

CSS 2020 All pieces of information

Studying Control system and came through Damped Vibrations, so this is good notes for you free of... more Studying Control system and came through Damped Vibrations, so this is good notes for you free of cost.

Written by me for some site but wanna share with you people for free.

a) Estimate the nominal capacitance value of the capacitor? Solution: As we know for nominal capa... more a) Estimate the nominal capacitance value of the capacitor? Solution: As we know for nominal capacitance value of the capacitor we have diaphragm thickness 1.1 um and black plate thickness is 15 um. While the gap is 3.6 um. While sound pressure level SPL is 20 log (P1/Po) where Po is reference pressure 20Pascal = ~20Pa having intrinsic tensile stress 20 MPa which is ideal to keep membrane flat. The size of membrane is 2.2 mm * 2.2 mm with size 30*30 um^2 and spacing 80 um. So we estimate after re ordering the values given that capacitance must be 10pF because of implemented ten-stage converter where the supply voltage will be 1.9 V and the power consumption after been measured will be 110 uW at supply voltage of 2.4 V.

The Characteristics of Fragmentation, Neutrons and Gamma Rays from Fission, 2021

The Characteristics of Fragmentation, Neutrons and Gamma Rays from Fission

5. Least Squares for Data Fitting numerical computation, 2021

5. Least Squares for Data Fitting numerical computation

3. Numerical Computation using Simpson's rule, 2021

3. Numerical Computation using Simpson's rule

Numerical Computation Linear System, 2021

Numerical Computation Linear System

1. Numerical Computation Root Finding, 2021

1. Numerical Computation Root Finding

Curve Fitting Techniques, 2021

Curve Fitting Techniques_FinalReport

Digital signal processing assignment for bachelors, 2019

Digital signal processing assignment for bachelors

Reactor physics subject assignment 01

A system of nonlinear equations , 2017

A system of nonlinear equations

CSS, 2020

CSS 2020 All pieces of information

Written by me for some site but wanna share with you people for free.

My mother (Hema) Father (Vijaykumar) Sister (Sunitha) Brother-in-law (Vaidyanath) Grandaunt (Lali... more My mother (Hema) Father (Vijaykumar) Sister (Sunitha) Brother-in-law (Vaidyanath) Grandaunt (Lalitha) & Someone who's brought immense peace and joy to my life over the past two years, my niece (Nidhi) ... Heartfelt gratitude to my committee members Glen Cameron, ...

Annals of Surgical Oncology

Non-Coding RNA, 2021

The ability to differentiate between benign, suspicious, and malignant pulmonary nodules is imper... more The ability to differentiate between benign, suspicious, and malignant pulmonary nodules is imperative for definitive intervention in patients with early stage lung cancers. Here, we report that plasma protein functional effector sncRNAs (pfeRNAs) serve as non-invasive biomarkers for determining both the existence and the nature of pulmonary nodules in a three-stage study that included the healthy group, patients with benign pulmonary nodules, patients with suspicious nodules, and patients with malignant nodules. Following the standards required for a clinical laboratory improvement amendments (CLIA)-compliant laboratory-developed test (LDT), we identified a pfeRNA classifier containing 8 pfeRNAs in 108 biospecimens from 60 patients by sncRNA deep sequencing, deduced prediction rules using a separate training cohort of 198 plasma specimens, and then applied the prediction rules to another 230 plasma specimens in an independent validation cohort. The pfeRNA classifier could (1) diffe...

2020 IEEE 20th International Symposium on Computational Intelligence and Informatics (CINTI), 2020

For controlling dynamical systems certain controllers directly observe the physical response of t... more For controlling dynamical systems certain controllers directly observe the physical response of the controlled systems and feed back the observed response for stabilization purposes. For instance, in robotics, where the rules of Classical Mechanics govern the behavior of the controlled system, this is the acceleration that is measured and fed back by the Acceleration Feedback Controllers. In quite different manner, the Fixed Point Iteration (FPI)-based adaptive controllers also feed back such observed information. If the driving forces act on a robot link through some deformable, elastic component, the relative order of the control task can be higher than two, and the system's response can be a higher order time-derivative of the observable coordinate. In this case the numerical derivatives of the noise-burdened measurement signals suffer from huge fluctuations due to which the need for the application of noise filtering techniques arises. Generally, any noise filtering corresponds to some “averaging” of the fresh, recent dynamic information with older, more or less “obsolete” one so it may corrupt the operation of the FPI-based control. The extent of this degradation depends on the “dynamics” of the nominal trajectory to be tracked, the nonlinearities in the dynamic model of the controlled system and cannot be tackled at high level generality. In the present paper a new, simple noise filtering technique is recommended for use in the FPI-based adaptive controller. Its corruption effect is investigated for a chirp signal independently of any dynamic control issue, then its application in the FPI-based adaptive control of a popular, nonlinear benchmarking system, the Duffing oscillator is studied via numerical simulations.

Journal of Microelectromechanical Systems, 1998

The development of a capacitive microphone with an integrated detection circuit is described. The... more The development of a capacitive microphone with an integrated detection circuit is described. The condenser microphone is made by micromachining of polyimide on silicon. Therefore, the structure can be realized by postprocessing on substrates containing integrated circuits (IC's), independently of the IC process. Integrated microphones with excellent performances have been realized on a CMOS substrate containing dc-dc voltage converters and preamplifiers. The measured sensitivity of the integrated condenser microphone was 10 mV/Pa, and the equivalent noise level (ENL) was 27 dB(A) re. 20 Pa for a power supply voltage of 1.9 V, which was measured with no bias voltage applied to the microphone. Furthermore, a back chamber of infinite volume was used in all reported measurements and simulations. [338]

Journal of Postgraduate Medical Institute, Apr 17, 2014

Journal of Basic & Applied Sciences, 2015

Upper Indus Basin (UIB) region has faced seasonal and sometimes unpredictable disastrous flow in ... more Upper Indus Basin (UIB) region has faced seasonal and sometimes unpredictable disastrous flow in their tributaries and contributing one of the world's largest Indus River System. As these streams emerged from high mountains of Hindukush, Karakorum and Himalaya ranges, and formed as a lifeline for the local population of which 90% is accommodate by Indus River system source. A little change in the regional climate may cause floods and outburst flows in the river and affects the lives, regional ecosystem and long part of the Karakoram highway. On the other hand, the shortage of water in Pakistan can create an alarming condition in future because a huge amount of eastern glaciers is shrinking. According to UN-ICC 2011 report Pakistan is in top of the four risky countries which adversely affected by climate change and especially worst hit by bi-catastrophes in 2010.During summer, intensifications of temperature may dissimilar for different locations/altitudes but it affects the glaciated areas. Moreover, the summer river flow and precipitation in previous winter and spring seasons has significant correlation shows their influence in the UIB region. Consequently, it may also be responsible for fluctuation in the seasonal/regular flows of UIB Rivers. To study these variations this paper analyses two types of data, mean monthly and 4-times moving average of monthly for long-term forecast. They belong to two different rivers Ghizer-Gilgit at Gilgit and Ghizer-Gilgit-Hunza at Alam stations. Both types of data illustrate a strong seasonal cycle. Therefore, seasonal autoregressive integrated moving average (SARIMA) models of time series method have been used. The five selected SARIMA models explore 90% and more river flow forecast. Moreover, the result with 4-times moving average is more accurate than simple data.

2015 International Conference on Information and Communication Technology Convergence (ICTC), 2015

Advanced Biomedical Research, 2015

Letter to Editor asthma and other allergic diseases. Rolipram, being an investigational drug, sho... more Letter to Editor asthma and other allergic diseases. Rolipram, being an investigational drug, should be combined with salbutamol and corticosteroids for the management of asthma. In addition, specific eotaxin inhibitors need to be identified that may not only help us to rectify asthmatic problems, but also leads to avoidance of asthmatic exacerbations and most other infections leading to eosinophilia.

International Journal of Distributed Sensor Networks, 2015

2015 IEEE International Conference on Technologies for Practical Robot Applications (TePRA), 2015

Kasr El Aini Medical Journal, 2015

2015 6th International Conference on Automation, Robotics and Applications (ICARA), 2015

Breast (Edinburgh, Scotland), 2004

We aimed to assess the effectiveness of a local anaesthetic and steroid combination injection the... more We aimed to assess the effectiveness of a local anaesthetic and steroid combination injection therapy in the management of non-cyclical mastalgia. Patients with non-cyclical mastalgia were assessed for rib tenderness (lateral chest wall tenderness-LCWT). The tenderest spot was injected with a combined preparation of 1 ml 2% lignocaine and 1 ml 40 mg depomedrone. Those who declined injection therapy were advised on topical or oral NSAIDs or reassurance. All patients were reassessed 6 weeks later. A successful outcome was taken as either a complete response (CR) or partial response (PR), i.e. pain although present is tolerated. One hundred and thirty eight women were diagnosed with LCWT. One hundred and four women were injected. Thirty-four women declined and were managed appropriately. At assessment 83 injected cases were successful (83%; CR n = 61, PR n = 22) compared to 13 non-injected cases (44.8%; CR n = 5, PR n = 8, P < 0.0001). No side effects were recorded. Sixteen cases re...

The Breast, 2004

We aimed to confirm suggestions that tamoxifen therapy alone may resolve physiological gynaecomas... more We aimed to confirm suggestions that tamoxifen therapy alone may resolve physiological gynaecomastia. A prospective audit of the outcome of tamoxifen routinely given to men with physiological gynaecomastia was carried out at Nottingham. Men referred with gynaecomastia had clinical signs recorded, e.g., type (diffuse 'fatty' or retro-areolar 'lump'), size and possible aetiology. They were offered oral tamoxifen 20mg once daily for 6-12 weeks. On follow-up patients were assessed for complete resolution (CR), partial resolution where patient is satisfied with outcome (PR) or no resolution (NR). Success was either CR or PR. Thirty-six men accepted tamoxifen for physiological gynaecomastia. Median age was 31 (range 18-64). Tenderness was present in 25 (71%) cases. Sixteen men (45%) had 'fatty' gynaecomastia and 20 had 'lump' gynaecomastia. Tamoxifen resolved the mass in 30 patients (83.3%; CR=22, PR=8) and tenderness in 21 cases (84%; CR=0, PR=0). Lump gynaecomastia was more responsive to tamoxifen than the fatty type (100% vs. 62.5%; P=0.0041). Oral tamoxifen is an effective treatment for physiological gynaecomastia, especially for the lump type.

Endocrine Abstracts, 2013

Biocybernetics and Biomedical Engineering, 2014

ABSTRACT This research presents a novel hand exoskeleton rehabilitation device to facilitate tend... more ABSTRACT This research presents a novel hand exoskeleton rehabilitation device to facilitate tendon therapy exercises. The exoskeleton is designed to assist fingers flexion and extension motions in a natural manner. The proposed multi-Degree Of Freedom (DOF) system consists of a direct-driven, optimized and underactuated serial linkage mechanism having capability to exert extremely high force levels perpendicularly on the finger phalanges. Kinematic and dynamic models of the proposed device have been derived. The device design is based on the results of multi-objective optimization algorithm and series of experiments conducted to study capabilities of the human hand. To permit a user-friendly interaction with the device, the control is based on minimum jerk trajectory generation. Using this control system, the transient response and steady state behavior of the proposed device are analyzed after designing and fabricating a two-fingered prototype. The pilot study shows that the proposed rehabilitation system is capable of flexing and extending the fingers with accurate trajectories.

COMMUNCIATION SYSTEM, 2017

Multiple in multiple out antenna discussions and how to use it for communications

Hamza Saeed khan , 2018

Some help in Multisim please contact me soon